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HiFi Vacuum Tube Preamplifier Bluetooth 5.0 Receiver Stereo Audio Amp USB Player

Item description

Features

  • With 3 groups of RCA/Bluetooth 5.0/U-disk/TF Card input, compatible with phones, ipad, computers, CD Players, TV and so on, different input interfaces can greatly enhance the practicality and operabilty.
  • Adopt 3PCS 6N3 vacuum tubes, the pluggable design allow you to upgrade and replace to 6H3N/5670, etc tubes, it can output delicate and natural sound, pure and clear, and the high frequency is mellow.
  • With the Treble/Bass adjustment and bypass function, also can adjust the main volume, and perfect your audio system; use the ES9023 decoder chip combines with 5.0 Bluetooth module, and lossless transmission.
  • The new appearance design, using a transparent acrylic shell, directly sees the internal circuit board, the overall compact; DC-DC boost circuit is used to play the role of electronic tubes effectively.

Parameters

  • Audio input: Bluetooth 5.0/3 groups of Stereo RCA/TF Card/U-disk
  • Audio output: Stereo RCA
  • Tubes: 3*6N3
  • Frequency response: 20Hz-25KHz(3dB)
  • Distortion: 0.1%
  • SNR: >105dB
  • Adjust range: Treble +6dB / Bass +10dB
  • Power in: DC 12V >2A(5.5*2.1)
  • Net weight: 1.0kg/2.20lb
  • Package weight: 1.4kg/3.09lb
  • Dimensions: 215*175*50mm / 8.46*6.89*1.97in
  • Package dimensions: 310*310*120mm

Packing List

  • 1*Preamp
  • 3*6N3
  • 1*12V Power Adapter
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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:
 
 Working time

Beijing(CN)Monday-Friday09:00 AM - 18:00 AM
New York(US)
Sunday to Thursday08:00 PM - 05:00 AM
London(UK)Monday-Friday01:00 AM - 10:00 AM
Paris(FR)Monday-Friday02:00 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.
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