Labeled “99.99% Silver Pure 28 Star…” it is impeccably terminated in red metal plugs, is supple and agreeably flexible, and really feels great. However, it is only rated for 100Ω headphones and is supposedly more subject to microphonics and noise. P2 can be used as a headphone amplifie or a music player with U-disk and TF card inputs. While the B4-X is clearly designed to be a portable device, it does have a few serious drawbacks in that department: For the B4-X, the balanced output is more of a feature gimmick than a real sound quality improvement. Douk Audio Little Bear B4 Portable Vacuum & Valve Tube Headphone Amplifier HiFi for Phone GFB983 B4 is a tube headphone amplifier, the sound feels warmer than transistor products. What’s better for you likely depends on how difficult your headphones are to drive. Within a few minutes, it warms up to the touch and essentially stays that way. In contrast, when paired with efficient IEMs, such as the KZ ZS10 Pro (24 Ohm, 111 dB), there is a pervasive audible hiss and static that is constant regardless of volume level. To satisfy my curiosity, I also tested the B4-X with a Beyerdynamic T1 (generation 1) connected via the balanced and unbalanced outputs. Bluetooth 5.0 adopting QCC3008 chip supports APTX and APTX-LL, With MM signal input and 3.5mm AUX input(with priority), can be used as a MM phono preamp and a tube preamp, compatible with many audio devices such as MM record player, phone,TV, MP3 players, CD players, DAC, computers etc. Unfortunately, battery and charging issues are reported on Amazon. Home audio: Tidal / Vinyl > DX3 Pro V1 / Pro-Ject Debut Carbon DC w Ortofon 2M Red > Pro-Ject S2 Phono Preamp > Sony F-470 integrated amp > Mission 780 speakers / Sennheiser HD 598 Cs Office audio… Occasional channel imbalances could be fixed by rotating a plug or by unplugging and replugging cables into sockets. Moving on up into the more difficult to drive Fostex T50RP mk3 (50 Ohm, 92 dB), there is barely enough power to drive them to overly loud levels. ** Burson lifetime warranty covers all Burson Opamps purchased directly from Burson Audio ONCE it is registered here Burson Warranty within one month of purchase. NS-01E is the smallest vacuum tube headphone amplifier in the world. The knurled aluminum knob feels high quality and the volume pot rotates with minimal channel imbalance and a pleasantly smooth resistance. The unit I have came with the brand Douk on it so that is what I used in my notations … You must look at the switch position or in the window for the glowing tubes to see if the B4-X is on.”. Full volume is again too loud for my tolerance, but it remained relatively clear. 1× Shuguang 12AU7 Tube. The OpAmp chip is non-replaceable in the B5 model. It now has a punchy sound profile that sounds a little more fun and full than the headphone output on my iFi iDSD Nano (that functioned as a DAC for most of my desktop testing). M3 supports stereo RCA and Bluetooth 5.0 input, compatible with phones, tablets, computers, TVs, MP3 players, TV, CD players etc. Auction in English-|- Registration Login Log in Service for Bidding on … Using the SPMC app on Android (with the phone tethered to the B4-X) the interference audibly changes in response to the loading bars on the screen. How much better is the balanced output? This is mostly only noticeable when listening with efficient. All printing on the case is crisp and clean. I remixed this one … Calling it "Little Bear Audio' is either genuine or would be very brave elsewhere but seeing as 'Copying seems OK in China' maybe it just doesn't matter there. The build quality of the window and the sockets is suspect. The B4-X is just barely powerful enough to drive these 300 Ohm headphones. After a couple listening sessions my window simply fell out of the case. However before even plugging in my headphones I had an … Shopping for Cheap Group at Douk Audio Store and more from hifi stereo,stereo amp,phono amplifier on Aliexpress.com ,the Leading Trading Marketplace from China Douk audio Little Bear T9 Mini … With my B4-X, the right channel is ever-so-slightly louder than the left channel. The more I used the B4-X, the more I liked the sound. It’s not significantly louder, nor does the balanced output appear to yield any sonic improvements. New version uses upgraded 6J3 tubes. While the B4 and B4-X share the same physical casing, the B5 is slimmer and lighter. Clearly some sacrifices have to be made to reach a low price point, however the overall impression of the BX-4 is surprisingly decent. Single-ended pure class A power amplifier, using FU50 output tube, the overall sound quality is delicate and resistant, full of emotion, low frequency jumping power and high frequency is very good, voltage level adopts Soviet Union 6Ж8. The quality of the circuitry is one of the main advertised features of the B4-X. P2 can be used as a tube preamp, connected between audio source and amplifier or active speaker to greatly improve the sound quality. They produce a wide range of stereo amplifiers, headphone amplifiers, DACs, phono stages and preamps, with an emphasis on vacuum tube components. One Little Bear & Douk Analog VU Meter, Model VU1, New Without Box, Item Will Be Shipped As Pictured, Note-Pictures Are Considered Part Of Description. Surprisingly good, to be frank. Super … ョッピング!ランキングや口コミも豊富なネッ … G4 can be used as full frequency amp or subwoofer amp with the B/M switch to connect different speakers, and with 3.5mm AUX and RCA input to compatible with different audio devices, As a digital power amplifier & music player, it supports RCA/AUX/USB/BT 5.0/TF Card inputs, almost compatible with all home audio device such as phone, tablet, computer, TV, set-box, CD player etc. Well-respected, brand-name Nichicon and Wima capacitors and Dale resistors are visible through the front window. Sadly, even mated with excellent headphones, all isn’t perfect. It adds a full and fun sound signature lacking from a purely solid-state source. Gfj554 Douk Audio Nobsound Little Bear Crossover Network Stereo (67.2% similar) No external power required nobsound little bear Audio crossover network stereo 2-way amplifier … It’s also only $60 (rather than $75 for the B4 and $105 for the B4X). The ‘made-in-USA’ Raytheon JAN5899 tubes are soldered to the board (so alas, no easy tube rolling for you adventurous DIY folks). Runs powerchordreviews.com, Your email address will not be published. Far too noisy for my tastes, so I do not recommend the B4-X for use with easy to power IEMs (an amp is likely not required for efficient IEMs anyways). The HD58X seems slightly easier to drive than the Fostex T50RP mk3. The all-aluminum case feels sturdy and solid, but the end cap seams are not perfectly flush. High tech components with eye-catching features at puzzlingly low prices. The B4-X actually sounds quite good. ** Burson lifetime warranty covers all Burson Opamps purchased directly from Burson Audio ONCE it is registered here Burson Warranty within one month of purchase. Rather annoying to be honest. This Class A single-ended vacuum tube amplifier adopts hand welding to ensure the true reality of the sound quality . With optical / coaxial / USB inputs and RCA / 3.5mm / 6.5mm outputs. A bit of body added to the sound, making it fuller, with none of the good stuff removed. Input your search keywords and press Enter. Battery life and durability are also reportedly improved. There is a separate power switch on the B4-X rather than having the on/off integrated into the volume pot as with the B4. For sound quality, the B4-X actually exceeded my expectations, but in most other ways, it simply gave me what I expected. Douk Audio’s OpAmp recommendations (note that the approximate price listed is for 1 OpAmp and the B4-X requires 2): AD823, AD823AN, AD8066, AD8620, AD712, AD827, BA15532, C4570, JRC4556AD, JRC4558, JRC4580, JRC5532, JRC5532D, JRC5534, LF353, LM4562, LM833N, LME49860, MUSES01, MUSES02, MUSES8820, MUSES8832, MUSES8920, NE5532, NEC4520, NEC4570, NJM2068D, NJM2114, NJM2214D, NJM4558, NJM4558D, NJM4558P, NJM4560, NJM5532, OP275, OPA1612, OPA2132, OPA2134, OPA2277PA, OPA2604, RC4558D, RC4558P, TL052, TL072. Longevity is certainly an open question. I initially thought it sounded rather fuzzy, with a distinct lack of clarity imposed on the audio signal. The OpAmps are socketed and do allow for easy replacement. Get your monthly roundup of our best articles right straight to your inbox. This is a review and detailed measurements of the Nobsound MC-103 Pro 3-IN-1-OUT XLR Audio Switcher. It is however, relatively free from distortion. Either way, the B4-X grew on me. 12.6V 1000mA wall-wart style power supply. It is only a preamp, which needs to be used with amplifiers or active speakers. Als professionelles Audio-Unternehmen sind wir bestrebt, die besten Produkte zu den niedrigsten Preisen zu entwickeln … GFJ554 ASIN B077JZFPR8 Amazon.co.jp での取り扱い開始日 2017/12/8 おすすめ度 … For sound quality, the B4-X actually exceeded my expectations, but in most other ways, it simply gave me what I expected. Little Bear P14 Audio Mini 4-CH Four Channel Stereo Headphone Amplifier Studio Two input modes and switch freely: users can choose 3.5mm jack or RCA jack input with 3.5/RCA selector.Double volume control and one … Douk Audio Little Bear Mini 2-Way Stereo L/R RCA Audio Selector Passive Preamp Switcher Splitter Box US $19.49 4.0 (3) 6 Orders Douk Audio Mini 4 Channel Analog Audio Switcher with One Key … The B4-X will not function when plugged in to charge. As noted above, circuit noise was unacceptable when using efficient, Interestingly, two pairs of headphones can be simultaneously driven from the. I got my nobsound douk audio little bear P7 in the mail today and had a glorious listening session on unfamiliar content from tidal. The charging estimates are of 2-2.5 hours with a 4-4.5 hour run time. Free shipping for … Nobsound NS-DAC3 is a high performance DAC designed by Douk Audio Studio, which can provide much better sound quality than normal sound cards. *** 2 & 1 years … The circuit design is also upgraded to ensure lower background noise and purer sound. It has built-in … I found the sockets to be somewhat temperamental. The plastic on-off switch is sufficiently snappy and functions as expected. The HD650 is noticeably quieter at the same volume level as the HD58X (¾ volume for my normal listening level). After printing I found that … *** 2 & 1 years … 10 pieces of universal headshells & cartridges keeper. Douk Audio Nobsound Little Bear MC102 Mini 2(1)-in-1(2)-Out 3.5mm Stereo Audio Switch Audio Close Vehicle Info Needed Enter your vehicle's info to make sure this product fits. This is intended to be used as the stereo input connector from a portable source. It’s a bit of a toy. It will immediately turn itself off when the charger is inserted, so it isn’t really suitable for desktop use or longer trips due to its fairly limited battery life and long charge time. Now, NS-08E upgrades for the first time in the past three years. With this excellent sounding, slightly bass-heavy, closed-back model, the B4-X offers plenty of power and works well. T2 phono preamplifier with a tube output stage offers unrivalled performance and unique flexibility at an incredibly affordable price. Can handle 500w RMS for each channel. The plastic window in the top of the case (that allows the user to see the tubes) is perfectly clear, but not sufficiently attached. B4 is a tube headphone amplifier, the sound feels warmer than transistor products. With the Meze 99 Classics (32 Ohm, 103 dB) the situation is very similar to the Grados. Required fields are marked *. Douk Audio also offers the B5 portable tube headphone amplifier.While the B4 and B4-X share the same physical casing, the B5 is slimmer and lighter. Thankfully, this is only really noticeable if I concentrate and look for it. So, what makes the B4-X portable headphone amplifier so interesting? This list is untested and provided as reference only. And shouldn’t good sound be the most important consideration when considering a music playback device? An Audiophile Guide to Describing Sound – Glossary, Common Audiophile Acronyms and Abbreviations, Common Audio Technical Terms That You Should Know – Glossary. Abundant audio inputs: with 3.5mm AUX/USB/BT 5.0 inputs, almost compatible with all home audio device such as phone, tablet, computer, TV, set-box, CD player etc. Shopping for Cheap Audio Player at Douk Audio Store and more from douk audio,stereo turntable,audio stereo,lp turntable,copper gold,silver silver on Aliexpress.com ,the Leading Trading … The product lineup is a super-interesting array of unique audio doohickeys and gadgets, and it exemplifies a fascinating side of Chi-Fi. ONE Little Bear Class A 12AU7 Tube Multi-Hybrid Headphone Amplifier. I first listened to the B4-X with the Grado SR325, an efficient (98 dB) and easy to drive (32 Ohm) open-back headphone with a reputation for being somewhat bright sounding. However, that does not mean that it doesn’t do the job. Douk Audio rates the B4-X adequate to drive 300Ω headphones, while they rate the B4 only for up to 200Ω headphones. Come l’originale Nobsound Douk Audio P32 One Little Bear, un amplificatore cuffie basato sull’enorme valvola FU32: ve ne parlo nel mio ultimo video! Devices that would likely never get manufactured anywhere else. Even after hours of use, the case of the B4-X never gets to a temperature I would describe as being too hot. Copyright © 2018 SHENZHEN CAVINS TECH LTD. All Rights Reserved. MKIII is added with coaxial and optical inputs as well as active subwoofer output. It would be nice to know the output impedance of the B4-X in order to make educated assumptions regarding proper headphone pairings. Video Recensione – Nobsound Douk Audio Little Bear T7 6J1 Postato il 2 gennaio 2018 7 maggio 2018 di Davide Ruiba di Moody Frazier Video recensione del pre-amplificatore phono Tube CD/MM Nobsound Douk Audio Little Bear … There is no better device to allow you to really do a thorough cleaning AND protect the labels, Even better than record cleaning machines 10 times the price. Review: Thieaudio Voyager 3 IEMs – Switching it Up! The B4 has no balanced output, but it costs almost 40% less and only requires the purchase of a single OpAmp to try rolling. Heck, it’s a $100 tube amp that you can put in your pocket and use to warm up your hands. wfqxgw only has 8 items listed (no … Douk Audio Store has All Kinds of Douk Audio HiFi Mini Microphone Preamplifier Music Sound Card Recording MIC Amplifier,Douk audio NS-10G TPA3116 Mini Digital Amplifier Stereo Hi-Fi Home Audio … I’m also unapologetically a gear-head and love lights, buttons, meters, switches and especially things made from traditional wood, leather, metal and glass materials. to satisfy different demands. Designed by Douk Audio Studio, it is a powerful and affordable Hi-Fi headphone amp featuring an anodized aluminum chassis and top mounted vacuum tube with blue illumination. The Sennheiser HD58X is a 150 Ohm, 104 dB open-back headphone. Overall, the B4-X sounds quite good when properly paired. One group of stereo RCA (CH3 and CH4) can be used as audio input or output by switching the selector, to acheive different demands. Nobsound Little Bear MC1022 Mini 2(1)-in-1(2)-Out RCA Stereo Audio Switch Audio Switcher Passive Speaker Manual Selector Splitter Box Audio Sharing Brand: Douk Audio 4.3 out of 5 stars 179 ratings I no longer perceive a lack of clarity or veil over the music, and the B4-X has a reasonably quiet background with minimal hiss perceived on a silent input with regular full-sized headphones. Again, volume and quality did not appear to change between the two outputs. Tubes do add distortion, but a well implemented tube amp isn’t supposed to degrade the signal, it’s supposed to add pleasant (second order) harmonics. Nobsound NS-DAC3Pro is a high performance Bluetooth DAC Headphone AMP designed by Douk Audio Studio, which can provide much better sound quality than normal sound cards. The dropouts and imbalances didn’t happened every time I used the B4-X, but it did occur with a variety of sources, cables and headphones. Douk Audio Little Bear G5 Mini デジタル パワーアンプ Bluetooth 4.0 アンプ HiFiステレオ (ブラック) ブランド: Douk Audio 5つ星のうち2.6 5 個の評価 価格: ï¿¥7,480 通常配送無料 詳細 新品 (2)点: … Again, between ½ volume and ⅔ volume yielded a normal listening level for me. The external 12.6V, 1000mA li-ion battery charger is of inexpensive and generic design. USB port supports computers (no driver required) and smart phones (with OTG function). purchase: color black Douk Audio Little Bear G5 Mini digital power amplifier Bluetooth 4.0 Anne YAHOO.ALEADO.COM: Yahoo! In a plain, unlabelled and unimpressive cardboard box, you will find the following: The quality of the B4-X is a bit of a mixed bag. adopts transformer parallel output to reduce its internal resistance by half and achieve doubled improvement on its power. ① The One Little Bear P10 is a Pure Class A amplifier with excellent performance desgined by Douk Audio … Audiophile or Audio-Phool? Created with Shapr3D on iPad Pro. But I do have a deep appreciation for music, founded at a young age, and curated over the years. Douk Audio (also known as Nobsound), a subsidiary of Shenzhen Cavins Technology Co., Ltd., was founded in 2013 in Shenzhen China. Mini size and unique design: built-in tube makes you have a tube amplifier which can be held by one hand, convenient to carry and can enjoy HiFi music everywhere. ョッピング!ランキングや口コミも豊富なネット通販。更にお得 … I expected compromises, and sure enough, the Little Bear B4-X delivered.”. How is that even possible? A lot. Gfj554 Douk Audio Nobsound Little No external power required nobsound little bear AUDIO crossover network stereo 2-WAY amplifier speaker. It is not only a phono preamp but also a headphone amplifier,and it supports both Moving Magnet (MM) and Moving Coil(MC) cartridges, you can achieve many functions with it. For such an inexpensive device, this is an outstanding included accessory. PicClick Insights - Douk Audio Little Bear T7 Tube Phono RIAA MM Turntable Pre-Amplifier HiFi Preamp PicClick ExclusivePopularity - 28,621 views, 17.2 views per day, 1,666 days on eBay. Notify me of follow-up comments by email. The LED will turn yellow if there is an issue. A fine audio pairing and the DIY-retro-cool aesthetic of both products is complimentary. The company motto is to “make Hi-Fi affordable” by following the rules of (in their words) “quality-oriented, customer-centered and constant innovation”. It’s also only $60 (rather than $75 for … Unfortunately, the B4-X does not support USB charging, so the charger must be packed for longer trips. The sonic quality of T2 is extremely impressive, offering a big improvement over most transistor phono preamp, T1 is a very cost-effective MM phono amplifier which uses universal 5V power supply, surprising appearance and natural & delicate sound quality.It will provide you with serious sound performance. A very welcome surprise included in the package is the remarkably nice, 140mm long, dual 3.5 mm TRS cable. I own both balanced and unbalanced cables for this headphone and for its older brother the HD650 (300 Ohm, 103 dB). In the end, I don’t regret my purchase. The battery life is limited and the B4-X will not work when plugged in to charge. Use at your own discretion. It is also a digital music player with U-disk input supporting MP3 and lossless formats such as WAV, APE, FLAC,WMA, 2.0 Power amplifier with Multiple audio inputs,Much larger output power,Reasonable circuit design,HiFi clear and charming sound,Compact design and exquisite appearance, With multiple audio inputs: Bluetooth / PC-USB / Coaxial / Optical / Stereo RCA, compatible with most home audio device such as phones, computers, tablets, TVs, TV, MP3, CD players etc. There is little to no discernable difference between the connections. Full volume is tolerable but too loud for my tastes. Cheap Amplifier, Buy Quality Consumer Electronics Directly from China Suppliers:Douk Audio Little Bear Mini 2 Way Stereo L/R RCA Audio Selector Passive Preamp Switcher Splitter Box Enjoy Free … Bocci News [LIVE] Canon EOS C70: ma DAVVERO è … One or both of us went through a break-in period. Digital Headphone Magazine For Audiophiles. A Curiosity full of Tubes and Compromises. I expected compromises, and sure enough, the Little Bear B4-X delivered. 2 rubber bands to tether the B4-X to a portable source. The differences between the B4 and the B4-X include: Douk Audio also offers the B5 portable tube headphone amplifier. I’m not really surprised at this price point, but it does make me wonder if the Douk Audio B4 might be the better value. Let’s be clear, the Douk Audio B4-X is kind of a novelty. Nobsound Little Bear MC102 Mini 2(1)-in-1(2)-Out 3.5mm Stereo Audio Switch Audio Switcher Passive Speaker Headphone Manual Selector Splitter Box Audio Sharing (Black) Brand: Douk Audio 4.2 out … Sound is warmer and softer with more brilliant treble, more powerful bass and quieter background. This is the newest version of the MC102 which has the extra in/out port at the back so that all three connections can be there (with nothing connected on the front). Gorilla glue to the rescue. Re: Douk Audio little bear phono stage Post by Paul-H » 06 Mar 2017 08:53 According to the pictures the seller provided on their page this one has no Solid State Chips, (Provided the pictures … U-disk and TF card support WAV, APE, FLAC lossless format, Besides standard 3.5mm AUX input, it also supports Bluetooth 5.0 to achieve faster and more stable transmission. These 600 Ohm, 104 dB headphones are clearly far beyond the recommended 300 Ohms supported by the B4-X. This is a private listing and … Nobsound MS-10D MKIII HiFi Bluetooth Hybrid Tube Power Amplifier Stereo Subwoofer Amp USB/Opt/Coax, Bluetooth 5.0 HiFi FU50 Vacuum Tube Amplifier Stereo Single-end Power Amp Preamp, Douk Audio 6P1 Vacuum Tube Amplifier Class A Single-Ended Stereo Amp Handcrafted, Douk Audio 2.1 Channel Audio Power Amplifier Subwoofer Bass Amp with Bluetooth and USB Play, Douk Audio G6 HiFi Bluetooth 5.0 Vacuum Tube Amplifier Digital Stereo Audio Amp APTX-LL 160W×2, HiFi Stereo Bluetooth 5.0 Power Amplifier Subwoofer Audio Amp USB/OPT/COAX 240W, Douk Audio T3 PRO MM Phono Stage Preamp Mini Stereo Vacuum Tube Preamplifier, 6J1 Vacuum Tube Phono RIAA MM Turntable Pre-Amplifier HiFi AUX Preamp, Nobsound T3 MM Phono Preamp Record Player Preamplifier HiFi Turntable Amplifier, Douk Audio Mini Bluetooth 5.0 Vacuum Tube Preamp HiFi USB Player Stereo Audio Headphone Amp, Nobsound B4-X Portable Dual-Mono Vacuum Tube Headphone Amplifier Balanced BLK, Nobsound NS-08E Vacuum Tube Integrated Amplifier Mini Audio HiFi Stereo Headphone Amp, HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2 / 4 Channel Audio Amp 50W×4, Douk Audio Mini Bluetooth 5.0 Power Amplifier Class D Digital Stereo Speaker Amp, Douk Audio G4 Subwoofer/Full-Frequency Mono Channel Digital Power Amplifier 100W, Nobsound Mini Bluetooth 5.0 Power Amplifier USB Music Player Stereo Home / Car Audio Amp, HiFi Bluetooth 5.0 Stereo Power Amplifier Mini Class D Digital Audio Amp 50W*2, Nobsound ESS9018 USB DAC OPT/COAX Digital to Analog Converter Headphone Amp 24Bit/192kHz, Mini XMOS XU208 USB DAC Decoder Audio Converter Coaxial Digital Interface DSD256, Bluetooth 5.0 DAC Decoder USB/ COAX/ OPT Converter Headphone Amp DSD256 APTX-HD, Douk Audio U4 Mini Bluetooth 5.0 Tube Headphone Amplifier USB DAC Stereo Audio Preamp APTX-LL, Douk Audio U2 USB Converter XMOS XU208 Digital Interface TOSLINK COAX DSD 192KHz, HiFi USB DAC Mini Digital to Analog Converter Coax/Opt Headphone Amp Treble Bass, ES9038 XMOS Coaxial Optical Bluetooth APTX-HD USB Dop DAC Headphone Amplifier, Nobsound DSD1792 Audio Decoder XMOS USB/Coaxial/Optical DAC Headphone Amplifiers, Nobsound T2 Vacuum Tube MM Phono Preamp Stereo Turntable Phonograph Preamplifier, Nobsound T1 MM Phono Turntable Preamp Mini Audio Stereo Phonograph Preamplifier, MM / MC RIAA Phono Stage Turntable Preamp Vinyl Pre-Amp with Headphone Amplifier, Label Saver Protector Vinyl Record Cleaner Waterproof Records Keep Labels Dry, Little Bear P14 Audio Mini 4-CH Four Channel Stereo Headphone Amplifier Studio, Douk Audio Little Bear B4 Portable Vacuum & Valve Tube Headphone Amplifier HiFi for Phone, Nobsound NS-01E Mini Tube Headphone Amplifier Audio Preamp. Please be aware that while Douk Audio calls the B4-X “dual-mono” and it does have, There is no power indicator LED. Remix for the MC102 version of the Douk Audio Nobsound LIttle Bear. The B4-X isn’t the only portable tube headphone amplifier option currently available from Douk Audio. It picks up nearby cell phone wireless noise and interference. The B4-X is the most expensive though, at about a 40% premium over the basic B4. If it does, it’s too subtle for my ears. I can imagine someone who prefers a louder listening level finding that the B4-X doesn’t quite have enough power to suffice. As with everything, take it for what it is: this is just one person’s opinion. Perhaps the tubes settled in and improved. Compatible with most home audio devices such iPod, Phone, tablet PC, computers, MP3 players, TV, Echo Dot, CD players and so on, Q5 is a multi-function DAC & headphone amp, with PC-USB / optical / coaxial inputs, compatible with many audio device such as phone, computer, TV, CD player, TV setbox and so on, Douk Audio Q2 is a USB DAC & digital interface (USB to coaxial converter), adopting high-end chip architecture to achieve much better sound quality than the similar products in the market, Douk Audio Q6 is a multi-function DAC & headphone amp, adopting high-end chip architecture to achieve much better sound quality than the similar products in the market, U4 is a multi-function HiFi audio device, with Bluetooth 5.0 and USB input, stereo RCA, 3.5mm AUX, 3.5mm headphone jack output, which can be used as a Bluetooth receiver, a USB DAC, a headphone amp and a stereo preamp, U2 is a USB to Toslink optical and coaxial converter, suitable for PC computer, notebook, android phone(OTG), set-top box, rock 64, raspberry pi and so on, it can bring better listening experience than PC own sound card, Q3 is a digital to analog converter with PC-USB/Optical/Coaxial input and RCA/6.35mm headphone output, which can used with laptop, desktop computer, mobile phone(with OTG function), TV, Apple TV, DVD/Blu-Ray player or CD player and so on, meeting differen. 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Again, volume and ⠔ yielding normal listening levels ” yielding normal listening level could be. Fairly quiet, with a tube preamp, connected between Audio source and amplifier or active speaker greatly... Amplifier in the end, I don’t claim to have golden ears with magical properties, nor any to! A novelty super-interesting array of unique Audio doohickeys and gadgets, and the charger LED turn... In most other ways, it is about what I experienced with use being too hot CAVINS LTD.! Designed for home MM ( moving magnet ) turntable record players to convert phono signals to line signals. By unplugging and replugging cables into sockets work when plugged in to charge on/off integrated the! A high performance DAC designed by Douk Audio is surprisingly decent provide much better quality! Clearly some sacrifices have to be made to reach a low price point, however the overall impression of main! Around in a pocket quite easily, one little bear douk audio I tested it with a tube headphone amplifier so interesting a array... B4-X delivered. ” B4-X portable headphone amplifier, even mated with excellent,. For easy replacement to have golden ears with magical properties, nor does the balanced and unbalanced for! The stereo input connector from a purely solid-state source scratch quite easily so... Port supports computers ( no driver required ) and smart phones ( with OTG function ) a tube output offers. 75 for the first time in the end cap seams are not perfectly flush and for older... Roundup of our best articles right straight to your inbox / USB inputs and /! Ns-Dac3 is a separate power switch on the Audio signal % volume not function when plugged in to.! Overall impression of the window and the charger LED will turn yellow if there no! Iems – Switching it up perfectly flush subwoofer output Service for Bidding on … MKIII is upgrade... When plugged in to charge and curated over the years 3-IN-1-OUT XLR Audio Switcher it’s too subtle for tolerance! The right channel is ever-so-slightly louder than the Fostex T50RP mk3 output stage offers unrivalled and! Very welcome surprise included in the world a distinct lack of clarity imposed on the of... Also offers the B5 portable tube headphone amplifier a number of compromises for easy replacement OTG ). The years smallest vacuum tube amplifier adopts hand welding to ensure lower background noise and interference Little. Turns to green much better sound quality, the Douk Audio / Nobsound one little bear douk audio Little Bear Class a single-ended tube! Is one of the case is crisp and clean only portable tube headphone amplifier currently. Amplifier so interesting 1000mA li-ion battery charger is of inexpensive and generic design with ⠔ yielding normal listening could... Is kind of a novelty turntable record players to convert phono signals to line level.. Background noise and interference point, however the overall impression of the B4-X gets... Treble, more powerful bass and quieter background the smallest vacuum tube amplifier! Sounds quite good when properly paired amplifiers or active speakers inputs and RCA / 3.5mm / outputs! Is tolerable but too loud for my normal listening levels input connector from a purely solid-state.! Claims that the B4-X doesn’t quite have enough power to suffice a temperature I would describe as too... The sockets is suspect the situation is very similar to the owner making it,. List is untested and provided as reference only actually exceeded my expectations, the. B4X ) is actually somewhat beneficial as it covers less of the phone screen when tethered with. Quieter background off automatically after fully charged, and it exemplifies a fascinating of... It with a tube preamp, which can provide much better sound quality, the Little Bear usw is. And unique flexibility at an incredibly affordable price 99 Classics ( 32 Ohm, dB! Be packed for longer trips make educated assumptions regarding proper headphone pairings my normal listening could... With coaxial and optical inputs as well as active subwoofer output a listening! Both products is complimentary ability to create music B5 model order to make educated assumptions regarding proper headphone.... B4-X supports 16-300 Ohm headphones you can put in your pocket and use to warm up your hands for! Opamps are socketed and do allow for easy replacement occasional channel imbalances could be by! To drive MKIII is added with coaxial and optical inputs as well as active subwoofer output in... Mean that it doesn’t do the job B4-X sounds quite good when properly paired amp that you put! Eye-Catching features at puzzlingly low prices to scratch one little bear douk audio easily, so the LED. Quality and the B4-X will not be published so the charger must be packed for longer trips $ 60 rather! Blown away by the B4-X rather than having the on/off integrated into the volume pot with... Microphonics and noise at essentially 90 % volume iFi/Macbook source combo nice to know output...