Features NS-02E can be used as a headphone amp, easily to drive all kinds of high-performance headphones (18-600Ω) such as HD 580, HD 600, HD 650, K 701, K 702, Q 701, DT880, T70, T90, SR225, SR325, RS1e, the background is very quiet and clear. NS-02E can be used as a tube preamp, connecting it to any type power amplifier can improve the original system musicality and dynamic. Adopting 6N3 vacuum tube makes the sound soft, graceful, and warm., high frequency is more delicate and low frequency is more powerful, especially suitable for vocals, strings, light music, classical music, etc.

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

    Item description

     
    Features
    • NS-02E can be used as a headphone amp, easily to drive all kinds of high-performance headphones (18-600Ω) such as HD 580, HD 600, HD 650, K 701, K 702, Q 701, DT880, T70, T90, SR225, SR325, RS1e, the background is very quiet and clear.
    • NS-02E can be used as a tube preamp, connecting it to any type power amplifier can improve the original system musicality and dynamic.
    • Adopting 6N3 vacuum tube makes the sound soft, graceful, and warm., high frequency is more delicate and low frequency is more powerful, especially suitable for vocals, strings, light music, classical music, etc.
    • The tube socket is made of pure ceramic and anti-oxidation contact tube holder to ensure the best insulation performance. You can also change the following models:
    United States: 6A8Q / 2C51 / 5670 / 5185 / 6385 / 6185 / WE396
    Europe: ECC42
    Soviet Union: 6H3N / 6H3П
    Czech Republic: 6CC42
    • Super mini size with attractive appearance, charming vacuum tube and unique circuit design to provide both visual and auditory feast, very suitable for home and desktop audio system use.
     
     
     

    Parameters:

    • Tube: 6N3
    • Audio input/output: 3.5mm headphone jack
    • Output power: ≥1300 mW (32Ω)
    • Headphone Impedance: 18-600Ω
    • Total harmonic distortion: <0.005%
    • SNR: ≥110 dB
    • Frequency Response: 20 Hz-30 kHz
    • Dimensions(L*W*H): 90*90*39 mm / 3.54*3.54*1.54 in (Not including the tube)
    • Net weight: 165g
    • Color: Black

    Power supply:

    • Input voltage: AC 100-240V 50/60 Hz
    • Output voltage: DC 6V 2000mA
    Packing List
    • 1× NS-02E Headphone Amp
    • 1× Power Supply

    Connections

    Front-end (phone / lossless player / MP3 / CD / decoder / PC) → 3.5mm audio cable → NS-02E headphone amp → Headphone / power amplifier / active speaker
     
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    Please leave VALID TELEPHONE NUMBER which is necessary and very important.
     
    Customs Clearance
    We are NOT responsible for any customs duties fee.
    We are NOT responsible for any import tax or customs delay.
     
    Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries). 

    Free Return Within 30 Days

    We provide  return within 30 days for all items you bought on eBay, full refund and return shipping will be provided.

    1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes).

    If you are satisfied with our products and service please leave a 5-star StarStarStarStarStar. Positive feedback rating Feedback is very important to us just like our lives, please DO contact us before you leave a neutral Neutral feedback rating or negative Negative feedback rating feedback, we will provide better solutions until you are satisfied.

     

     

     

    Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc.
     
    As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable.
     
    We will spare no efforts to bring great products and service for customers and extremely to improve our customers’ listening experience.
    Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at:
     
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    During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.
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