Why us? The Nobsound NS-02E designed by Douk Audio Studio is a powerful Hi-Fi headphone amp. It has an anodized aluminum chassis with a replacable vacuum tube shining blue illumination on the top. The Nobsound NS-02E can provide soft and warm sound while maintaining its exceptional clarity. Most importantly, the affordable price makes both Hi-Fi freshmen and Hi-Fi veterans can enjoy it. And that's exactly one of our targets. The Nobsound NS-02E can be paired with your preamp, smart phone, computer, iPod, stereo system, and other audio device as well as your favorite headphones. It can easily p... [Read More]
Notice: Please turn on the amplifier for about 15 seconds before you connect the audio source and put on the headset. We recommend using 24~600Ω headphones, while armature earphones and headphones that have low resistance and high sensitivity are not suitable. As there will be tube Microphone effect, please keep the amplifier steady while using it. For noise issue, please keep it away from devices like routers, mobile phones or something that may interfere in the audio signal. If there are no interference, please remove all input and listen to see if the noise still exists. If so, the device ... [Read More]
WINGONEER trademark Reg.NO:4747611WINGONEER Portable HIFI Headphone Amplifier PCB AMP DIY Kit For Classic 47 DIY with Case High QualityDescription:This is kits, included all components as the main photo show, but it need assembled its by yourselfWorking Voltage: DC 12-18VPlug Size: 5.5*2.1mmInput Polarity: inside +, outside -PCB Size: 83.1mm*45mmNotice: Attached electrical schematic diagram and installation instructionsPackage List:1 x WINGONEE Set of Headphone Amplifier Module Kits + Case
Features : 100%Brand New and High Quality. Excellent sound effects. Unique appearance. Easy to install. Provide full music enjoyment to the post-amplifier. More stable performance than the original machine. Specifications : Models: 6J1 tube Channel types: 2.0 / stereo Working voltage: AC12V 0.8 A The power interface: 5.5 * 2.5 plug Circuit board size: 77 x 75 x 52 mm Potentiometer role: volume adjustment + power switch. Package Included : 1 × 6J1 Tube Pre-amplifier Board DIY Kits.
DROK Bluetooth Amplifier Board Product Parameter: Operating Voltage: DC 4.5-27V Output Power: 50W*2 Signal-Noise Ratio: 102dB Package Includes: 1 X 50W*2 Amplifier Board
6J1 Valve Preamp Buffer Diy Kits Tube Amplifiers Audio board Amplificador Pre-Amp Amplifier Audio Board Models: 6 j1 tube (substitution model 6 au6 ak5, 6, 5654, etc.) Channel types: 2.0 / stereo Working voltage: communication AC12V 0.8 A or above The power interface: 5.5 * 2.5 plug Circuit board size: 77 x 75 x 57 mm high The weight: 87 g (with copper column) Note:This is Diy Kits.you need do it yourself.this board clear sound, strong amplification function, high efficiency, high frequency response density. Package included: 1 set 6J1 Valve Preamp Buffer Diy Kits (Without the instruction b... [Read More]
Features: FE-6J1-2 fever tube pre-amp board is the circuit schematic design imitation crew Music fax X-10D, to be rational optimization, more stable performance than the original machine, tube play 10% increase. Using a single 12V AC input, comes with boost function, low supply voltage to the effect of high-pressure tube. The capacitance filter of 8 470UFs is very clean. Excellent power supply system to ensure that the four 470UF capacitor filter clean, tube filament is connected in series, DC 12V power supply, reducing noise. Using MET series of non-polar capacitor, high-frequency low-resista... [Read More]
Specifications: Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc.) Channel Types: 2.0 / stereo Voltage & Current: AC12V 0.8A or above Power Interface: 5.5 * 2.5 plug Circuit Board Size: 77 x 75mm / 3.03 x 2.95" Instruction: 1, AC 12V Input: using DC 5.5*2.1 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit board. DC power input can not be used, or it will not work. 2, Sound Channel Input: Connected to mobile phone, computer, MP3, MP4 and many other music players. 3, Sound Channel Output: Connected to th... [Read More]
Description: This is a preamplifier + headphone amplifier that can be used with a post-amplifier or an active speaker, or it can be used with headphones. The sound of this board is warm, mellow, sweet and transparent, and full of music. It is a cost-effective preamplifier. Replaceable op amp and upgrade the tube, just plug it in the direction of the foot. Let you enjoy DIY fun! Specification: Material: acrylic Input port: audio input, power input Output port: 3.5MM headphone output, preamp output Size: 12.5 x 7.6 x 3.5cm / 4.9 x 3.0 x 1.4in (assembled size) Weight: approx. 259g Packing Lis... [Read More]
Instructions: 1, AC 12V input: Using DC5.5 * 2.1 socket, 12V AC power adapter is available, you can also use 12V AC transformer, if you use 12V AC transformer, power lines need to solder on the circuit board. Remember: You can not use a DC power input, otherwise it does not work! 2, the left-channel input / right channel input: Audio signal input, can be connected to mobile phones, computers, M3, MP4, and other music players. 3, the output of the left channel / right channel output: The audio signal output terminal can be connected to the audio signal input amplifier, power amplifier boards, t... [Read More]
This is a preamplifier + headphone amplifier that can be used with a post-amplifier or an active speaker, or it can be used with headphones. The sound of this board is warm, mellow, sweet and transparent, and full of music. It is a cost-effective preamplifier. Replaceable op amp and upgrade the tube, just plug it in the direction of the foot. Let you enjoy DIY fun! Features: 1. Carefully debugged circuit with stable performance, quiet and no noise. 2. Adopt 6J1 electron tube, classic collocation. 3. Adopts 12V DC power supply, internal stable boost to 100V to ensure the performance of the tub... [Read More]
Product name: Digital Bluetooth Amplifier 3 in 1: support bluetooth/ USB decoding/ TF card decoding Input voltage: DC 12-24V Storage mode: Support TF card & U disk Output power: 50W*2 Channel amount: two Transmission distance: about 20m Product size: 73x68x16mm(length x width x height) Equipment: -4-key: MODE(bluetooth/ U disl/TF card switching); PLAY(play/stop); PREV/V-("short press" to previous song; "long press" to decrease volume); NEXT/V+("short press" to next song; "long press" to increase volume) -Indicators: with power indicator & bluetooth indicator -USB port -TF card -Terminals: for... [Read More]
Description: A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. Connect this 6J1 tube pre-amplifier between sound source and and it can effectively filter digital flavor. Tube amplifier produces a warmer or more natural valve sound, make music and human voice is relatively good. Specifications: Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc.) Channel Types: 2.0 / stereo Voltage & Current: AC12V 0.8A or above Power Interface: 5.5 * 2.5 plug Circuit Board Size: 77 x 75mm / 3.03 x 2.95" ... [Read More]
This product is produced from a long history of electronic tube manufacturers:Shuguang , the spot from the military quality products. The suffix letter "Q" stands for high reliability,is the highest quality;"T" stands for special military grade and is used for special military equipment ; "J" stands for general military grade and is used for general. military and civilian equipment; "M"stands for civil use. Specification: (Uf≈)=10V; (If)=3.25±0.25A;(Ua)=1.5kV; (Cin)=8.5±1.5pF(Cout)=10.5±2.6pF;(Cag)=6.5±0.8pF.(UFMax)=10.5V;(Ufmin)=9.5V;(Uamax)=1.5kV;(Pamax)�... [Read More]
The TDA1308 is an integrated class AB stereo headphone driver contained in an SO8 or a DIP8 plastic package. The device is fabricated in a 1 mm CMOS process and has been primarily developed for portable digital audio Features: 1.Wide temperature range 2.No switch ON/OFF clicks 3.Excellent power supply ripple rejection 4.Low power consumption 5.Short-circuit resistant 6.High performance 7.high signal-to-noise ratio 8.high slew rate,low distortion 9.Large output voltage swing. Specifications: 1. Working voltage:3V-6V 2. Size:20*20mm Package included: 1x DA1308 Headphone Amplifier Board
❤ Ideal gift with adorable cat / bunny ear for kids, girls, boys, children, toddlers, elementary school student❤ Volume control technology ensures the sound is within recommended safe levels 85db for young children❤ Kids headphones
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- BLUETOOTH HEADPHONE IN TERMS OF SOUND OF QUALITY & MUCH MOREThe Superb Sound is due to Bluetooth V4.1+EDR Most Updated Technology. Specially Designed Headsets to Match Active Lifestyle. Unique Ear Fit design with Special
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This headphone amplifier DIY kit adopts NE5532 operational amplifier, which can ensure good sound quality.Features:Adopt NE5532 operational amplifier.Play with good sound quality.Wide range for input voltage: DC9V-18V.Standard 3.5mm audio input/output interface.With rotating knob for volume
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