Mini FU32(832A) Vacuum Tube Amplifier HiFi Headphone Stereo Home

Not only as a headphone amplifier, compatible with wide impedance range(12-200Ω), but also as a preamp for your other power amplifier, convenient and efficient to improve sound quality. 1*3.5 mm stereo jack input, can be connected to computer, CD, mobile phone and lossless player. 2*3.5 mm output can also be connected to digital amplifiers and active multimedia audio devices.

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Item description 1-6 Working days to most US regions for shipping from USA. Features

Not only as a headphone amplifier, compatible with wide impedance range(12-200

Ω)

, but also as 

a preamp for your other power amplifier, convenient and efficient to improve sound quality.

1*3.5 mm stereo jack input, can be connected to computer, CD, mobile phone and lossless player. 2*3.5 mm output can also be connected to digital amplifiers and active multimedia audio devices.

Default

Beijing FU32 vacuum tube, can be upgraded to GU-32/832;

Default NE5532 op amp, can be upgraded to OPA2604, JRC4558, OPA2132, OP275 and so on for enjoying different tones.

Mini size with attractive appearance, compact design makes it suitable for desktop audio system.

Parameters

Audio input: 1*3.5mm Jack

Audio output: 2*3.5mm headphone jack(

one for 12-40Ω headphone and one for 40 -200Ω headphone)

Power supply: DC 12V@2A(5.5/2.2mm)

Tube model: Beijing FU32

Op amp: NE5532

Color: black

Dimensions: (L)86 mm *(W)86 mm *(H)43 mm(Excluding the tube

)

Net weight: 320g

Packing List

1*Headphone Amplifier

1*Power Supply

1*FU32 Tube

Noise may be resulted from:
1. Input signal overload may cause distortion and noise. When this happens, please turn down the volume of the audio source until no noise and then adjust proper volume through the amp itself.
2. Low-quality audio cables, poor audio source can cause the static noise.
3. The tubes not are plugged well on the tube sockets or the two red wires are not inserted to FU32 tube.
4. Devices like routers, mobile phones will also interfere in the audio signal and may cause static noise. Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 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
. Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us 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. Contact us 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: Working time Beijing(CN) Monday-Friday 09:00 AM - 18:00 AM New York(US) Sunday to Thursday 08:00 PM - 05:00 AM London(UK) Monday-Friday 01:00 AM - 10:00 AM Paris(FR) Monday-Friday 02:00 AM - 11:00 AM 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.

Returns Accepted for this item if it's within 30 Days