• Little Bear B4-X Portable Dual-Mono Vacuum Tube Headphone Amplifier; Mini Balanced Audio Headphone Amp B4 Upgrade Version

    Parameters: Tube: USA RAYTHEON JAN5899 ×2 Op amp: NE5532*2 (can be upgraded ) Lithium Battery: 12V, 1000mA Charging time: 2-2.5 hours Working time: 4-4.5 hours Output power: 450mW SNR: 105dB Suggest load impedance: 16-300Ω Output: 2.5 balanced Jack*1, 3.5mm Jack *1 Size (L*W*D): 115*69*23 mm / 4.5*2.7*0.9 in (without knobs) Packing List: 1× headphone amplifier 1× power supply 1× 3.5mm audio cable 2× band Notice: When using B4-X with your cellphone, if you heard some "zhi ~ zhi" noise in your headphone. Probably it is the inteference from your cellphone such like WIFI or 4G signal, whic... [Read More]

    • ASIN: B07KJ18H75
    • ASIN: B07KJ18H75
    • Brand: Little Bear
    • Manufacturer: Douk Audio

  • Nobsound NS-08E Vacuum Tube Integrated Amplifier Mini Audio Hi-Fi Stereo Headphone Amp Upgrade Version

    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]

    • ASIN: B014FASL1A
    • UPC: 769700919653
    • ASIN: B014FASL1A
    • Brand: Nobsound
    • Manufacturer: Nobsound

  • LOXJIE P20 Full Balance Tube Amplifier Headphone Power Amplifier (Black)

    P20 is Loxjie's first full balance tube amplifier headphone power amplifier!It use the military grade 6N3 tube,Plus the well-designed and calibrated amplifier circuit! Let the amplifier have lower distortion under the premise of ensuring"Tube Style"!And the P20 also has true balanced inputs and outputs!This can maximize the performance of the headphones! Specification Output Power Unbalanced headphones 32Ω: 385mW 64Ω: 210mW 150Ω: 105mW 300Ω: 55mW 600Ω: 29mW Balanced headphones 32Ω: 425mW 64Ω: 665mW 150Ω: 565mW 300Ω: 325mW 600Ω: 175mW THD+N: 0.02% THD+N: 0.006% SNR: 97dB SNR: 102dB Po... [Read More]

    • ASIN: B07H5HK3QT
    • ASIN: B07H5HK3QT
    • Brand: LOXJIE
    • Manufacturer: LOXJIE

  • Little Dot MK2 MKII 6J1 X 2 6N6 X 2 Tube Standard Hybrid Headphone Headphone Amp Pre-Amp Tube Amplifier (MKII)

    SEPP (Single ended Push Pull) OTL in Class A Input: Gold Plated Unbalanced (RCA) Jacks Output: 1/4\" Gold Plated Stereo Headphone out Driver Tubes: 6JI Power Tubes: 6N6 Frequency Response: 20HZ ~ 50KHz (minus 1 dB) THD plus N: 0.1 percent (50mW into 300 ohms) Suitable Headphone Impedance: 32 ~600 ohms Input Impedance: 50K ohms Pre Amplifier Output Impedance: 600 ohms Pre Amplifier Gain: 3~10x (also controlled via gain switches) Pre Amplifier Voltage: 10V RMS Pre Amplification circuit includes both driver and power tubes Power Output: 300mW into 300 ohms 200mW into 120 ohms 100mW into 32 ohms P... [Read More]

    • ASIN: B00A2QMAI2
    • UPC: 620013013998
    • ASIN: B00A2QMAI2
    • Brand: AIMPIRE
    • Size: 5
    • Manufacturer: AIMPIRE

  • T20 Bluetooth Tube Amplifier Stereo Receiver 2 Channel Class D Digital Mini Hi-Fi Power Amp Preamp Compact Integrated Headphone Amplifier for Home Passive Speakers with 6J4 Vacuum tubes + Power Supply

    Specifications: Tubes: 6J4 x 2; Bluetooth version: Bluetooth 4.2 support apt-X and apt-X low latency; Headphones output: 16-64ohm; Amplifier Chip: TPA3116; Rated output power: 2*50W /4Ω; Audio input: RCA input + Bluetooth input; Audio output: 1 set of Banana Speaker Jacks; Signal to noise ratio: >99dB; Frequency: 20Hz-20KHz; Dimensions: 5.06*3.86*1.3in;  Power supply: DC 24V 4.5A;   Packing List: 1 * Power Amplifier 1 * Power supply  2 * 6J4 tube 1 * Bluetooth antenna

    • ASIN: B07Q26T5N7
    • ASIN: B07Q26T5N7
    • Brand: Fosi Audio
    • Manufacturer: Fosi Audio

  • Nobsound NS-10P Mini Vacuum Tube Preamp Audio Hi-Fi Stereo Pre-Amplifier Treble & Bass Control

    What's more: For the matching 3.5mm audio cables, please search them on Amazon with ASIN: B073RF3R2D or B073RF4NYS. Please note this is a preamplifier (not like NS-08E), which needs to be connected with amplifiers or active speakers. It is not a phono preamp and can't be used for turntables. It suits for almost all amplifiers in the market especially for tube headphone amps like our NS-08E (B014FASL1A), NS-01E (B01I19SBAW) and NS-02E (B01M7101CY), and will greatly enhance the sound performance of digital amplifiers like our TPA3116 amps (B00WTOAC1M / B074J9X3P5 / B01HD5T4QA / B07548PWQQ). Us... [Read More]

    • ASIN: B07719G56B
    • ASIN: B07719G56B
    • Brand: Douk Audio
    • Manufacturer: Nobsound

  • Sabaj PHA3 Vacuum Tube Headphone Amplifier 2X6J9 Low Ground Noise Integrated Stereo Amp Audio HiFi Output Protection for Headphone

    Input Interface: 3.5 mm Stereo Jack Output Power: 32 Ω: 115mW 64 Ω: 77 mW 150 Ω: 39 mW 300 Ω: 20 mW THD+N: 0.032% SNR: 95dB Consumption Power: 5.5W Frequency Response: 20Hz-20kHz Residual Noise: 0.02mV

    • ASIN: B07D525SB7
    • ASIN: B07D525SB7
    • Brand: Sabaj
    • Manufacturer: Shenzhen Dahao Technology Co., LTD.

  • RFTLYS - A2 - KT88 - Vacuum Tube Stereo Integrated Amplifier with Headphone Amp Output Bluetooth Input (Black)

    Warm reminder: You should take about 100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specification: Frequency response: 15Hz-36KHz / (20Hz-30KHz) Harmonic Distortion: ≤ 1.2% (1KHz) Input Sensitivity: 290mV Output power: 35W * 2 (8Ω ) vacuum tube: KT88*4, 12AU7*2, 12AX7*1 Input Impedance: 100K Output Impedance: 4Ω 8Ω Headphone Output Impedance: 32Ω -300Ω Signal-to-noise ratio: 89dB Power supply voltage:110-120V 60Hz/50Hz(+-10%) (For United States)... [Read More]

    • ASIN: B07PM1N6ZZ
    • ASIN: B07PM1N6ZZ
    • Brand: RFTLYS
    • Manufacturer: RFTLYS

  • SMSL T2 Vacuum Tube Headphone Amplifier, Mini Audio HiFi Stereo Integrated Amp

    FEATURES: Our T2 amp utilizes two 6J9 J-grade tubes and two NJM5532D as core parts of the circuit. The 6J9 tubes amplify the voltage which increases the input signal. The current formed by NJM5532D (Made by JRC Japan Company) amplifies the electric circuit to drive the mini headphone amplifier. These two features provide an awesome combination of high quality sound and a very powerful drive current for an optimum listening experience! Our T2 amp adopts a Single Chip Microcomputer and Relay to control the muted sound when the device is OFF or first turned ON. It allows the device to warm up bef... [Read More]

    • ASIN: B06XYJB7S8
    • UPC: 607994576834
    • ASIN: B06XYJB7S8
    • Brand: SMSL
    • Manufacturer: SMSL

  • Tube Headphone Amplifier Mini Hi-Fi Stereo Audio Headphones Amp 6J4 Vacuum Tube Integrated Amplifier with Low Ground Noise, Output Protection for Headphones - Fosi Audio P2

    Specifications: Tubes: 6J4 × 2 OP-amp: NE5532 Audio Input: 3.5mm Audio jack, Stereo L / R RCA Audio Output: 6.35mm Headphones Maxpower output: 600 mW / 62Ω, 900 MW / 32Ω, 1 W / 16Ω Frequency range: 20Hz-20 kHz (± 3dB) THD: ≤0, 03% Matching headphone impedance: 32-600 Ω NR: ≥ 95db Operating voltage: DC12V Input sensitivity: 0.2mV Dimension: L99 * W98 * H33 mm Net weight: 0.25 kg Model direct replacement tube: 6j1, 6AK5, EF95, 5654, 403B etc. Packing List: 1 * headphone amplifier 2 * 6J4 vacuum tubes 1 * DC 12V Power Supply 1 * 6.35mm to 3.5mm Adapter Tips: 1. When you use this product... [Read More]

    • ASIN: B07RQTKVM1
    • ASIN: B07RQTKVM1
    • Brand: Fosi Audio
    • Manufacturer: Fosi Audio

  • Pyle PCAU46A - Audio Speaker Power Amplifier - Digital Stereo Amp with Headphone Jack, MP3/USB/SD Readers, 2 x 120 Watt

    This compact home amplifier is perfect for powering any stereo system. Complete with USB/SD memory readers, CD, & AUX inputs -- this simple to use and durable amp has, a slick blue LED display, L/R

    • UPC: 35845195
    • Model: PCAU46A
    • Color: Black
    • Size: 2x120 Watt
    • Rating: 3.333

  • VicTsing i10 Max TWS Mini Earphone Portable Headset Wireless Headphone with Best Sound Quality

    Feature:1. With binaural call, you can switch freely.2. The earphone is comfortable and senseless to wear. With ergonomic design, it is suitable for wearing at the angle of the side of the ear. It is

    • UPC: 916879608
    • Color: White
    • Rating: 3.5

  • Kids Headphones,2 in 1 Cat/Bunny Ear Headphones On-Ear Headphones Volume Limited Headsets Best Gift for Kids, Girls, Children (Pink)

    ❤ 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

    • UPC: 341616085
    • Color: Pink
    • Rating: 4.636

  • External Sound Card USB 2.0 DAC 24 bit 96KHz and Headphone Amp with 3 Present EQ

    This 24-bit USB Audio DAC (Digital to Analog Converter) allows you to send digital audio through the USB interface. The device also includes bass or treble boost functions, microphone input and SPDIF output. With this

    • UPC: 41172102
    • Model: SD-DAC63094
    • Color: Multicolor
    • Rating: 5.0

  • [Newest 2019 Upgraded] Gaming Headset Best for Xbox One, PS4, PC - 7.1 Best Surround Stereo Sound, Noise Cancelling Mic, 3.5mm Soft Breathing Over-Ear Game Headphones

    This Professional Wired Gaming Headset is a primary kind of gaming headset for PlayStation 4, Xbox one and PC Games which brings you vivid sound field, sound clarity and sound shock feeling, capable of various

    • UPC: 416431427
    • Model: V-1
    • Color: Blue
    • Rating: 4.786

  • Otium Bluetooth Headphones Best Wireless Sports Earphones w/ Mic IPX7 Waterproof HD Stereo Sweatproof In Ear Earbuds for Gym Running Workout 8 Hour Battery Noise Cancelling Headsets

    - BLUETOOTH HEADPHONE IN TERMS OF SOUND OF QUALITY & MUCH MORE The Superb Sound is due to Bluetooth V4.1+EDR Most Updated Technology. Specially Designed Headsets to Match Active Lifestyle. Unique Ear Fit design with

    • UPC: 138318339
    • Color: Black
    • Rating: 4.667

  • ESYNIC Proster Headphone Amplifier Portable Amp 3.5mm Audio Rechargeble HiFi Earphone USB Amplifier for iPhones iPod MP3 MP4 Digital Player and Computers

    Overview:HiFi Headphone Amplifier -- supports most headphones of high impedance 16-150Ω, signal-to-noise ratio> 100Db, THD + N = 0.0003%, fully filter noise, enjoy high-quality audio.Personality Stereo -- High quality headphones audio cable with gold plated

    • UPC: 159558307
    • Size: 97*60*15(L*W*H)

  • ESYNIC Portable Earphone Amplifier Portable Headphone Amplifier Amps for Phones, MP3s, Digital Players and Computers

    Specification:Input/output port: 3.5mm studio inputLithium battery capacity: 2000mAHAmp using time: more than 8 hoursAmp internal voltage: 8.3V/1ASNR>100DbTHD+N 0.0003%Output power: 40Mw in impedance 16ΩAdapted headphone impedance: 10-150ΩSize: 97*60*15(L*W*H)Package Included:1*Headphone Amplifier1*USB Power Cable1*Audio Cable1*User's

    • UPC: 632467823
    • Color: Black
    • Size: 97*60*15mm
    • Rating: 5.0

  • Bluetooth Headphones, Best Wireless Sports Earphones w/Mic IPX7 Waterproof HD Stereo Sweatproof in-Ear Earbuds Gym Running Workout 8 Hour Battery Noise Cancelling Headsets

    - 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

    • UPC: 845425513
    • Model: Bluetooth-earphone-U9
    • Color: Black
    • Rating: 5.0

  • Tuscom Portable HIFI Stereo Audio AMP Headphone Earphone Amplifier 3.5mm AUX For Phone

    Description:    Are you still worried about this? Every time you listen to a song on your cell phone, the sound is stiff, dry and cold. Low frequency reduction is insufficient, listening is weak, audio output

    • UPC: 212834493
    • Rating: 5.0

  • Mini Vacuum Tube Headphone Amplifier Class A Home Stereo Amp Best Audio Preamp

    • UPC: 263338109856
    • Category: Amplifiers & Preamps
    • Price: 49 USD

  • Douk Audio HiFi 6P1 Vacuum Tube Integrated Amplifier Stereo Best Headphone Amp

    • UPC: 272817017298
    • Category: Amplifiers & Preamps
    • Price: 316 USD

  • Nobsound Mini Vacuum Tube Headphone Amplifier Best HiFi Stereo Preamp Audio Amp

    • UPC: 262011378482
    • Category: Amplifiers & Preamps
    • Price: 46 USD

  • Little Dot MK IV Tube Amplifier

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    Is it worth getting a budget headphone tube amp?