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Nobsound B100 Bluetooth 5.0 Tube Amplifier USB DAC COAX/OPT Integrated Power Amp

Item description

Features
  • With 5 kinds of analog and digital audio input (Bluetooth 5.0 / PC-USB / U-disk / Coaxial / Optical / 2 groups of RCA), compatible with almost all audio devices such as MP3, phone, tablet, computer, TV, CD players etc. U-disk input supports lossless formats such as APE, FLAC, WAV etc., easy to enjoy HiFi music. 
  • Multiple audio outputs for different devices:  besides speaker output, add 3.5mm headphone jack out to improve sound quality for headphones, and a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio system and strengthen bass sound effects. 
  • Combined design of tubes and transistors: using 6P17A as preamplification, the sound is clear, warm, smooth and delicate with high fidelity. 2PCS Toshiba C5198 and 2PCS 1941 triode for power amplification, each channel can output 25W, easily to drive all home passive speakers.
  • Vintage looking specially with VU meter: exquisite black panel matches with retro vacuum tubes and VU meter to dynamically to decorate home desktop space. With independent function buttons and input indicators on the top panel, easy to use, very suitable for home and desktop audio system use.

Warm tips:

1. Only in the condition of large dynamic music and much bass effect the VU meter will work.

2. When inserting the tubes please pay attention to the direction, the arrow on the tube should be aligned with the bulge on the tube socket.

3. 6P17A vacuum tubes are not easy to be found on web. But its unique performance will bring you an unforgettable sound experience. If you want more spare tubes, please contact us directly.

Parameters

  • Audio input: Bluetooth 5.0 / Optical / Coaxial / PC-USB / U-disk / 2 groups of stereo RCA
  • Audio output: banana speaker jacks /3.5mm headphone jack / low frequency out (connect active subwoofer)
  • USB supported sampling rate: 16Bit/48kHz 
  • U-disk supported formats: MP3/WMA/WAV/APE/FLAC
  • U-disk max storage capacity: 128G
  • Coaxial/Optical sampling rate: 16Bit/48kHz
  • Bluetooth version: 5.0
  • Power consumption: 70W
  • Output power: 25W+25W @4Ω
                   17W+17W @8Ω
  • Headphone matching impedance: 16-600Ω
  • Headphone output power: 10mW@32Ω
  • Input impedance: 47KΩ
  • Output impedance: 4-16Ω 
  • Input sensitivity: 600mV
  • Frequency response: 20Hz-20kHz (±2dB)
  • SNR: ≥89dB
  • Distortion(1kHz): 0.10%
  • Separation: ≥75dB
  • Working voltage: 110V/220V
  • Dimensions(W*D*H): 170*170*120mm/6.69*6.69*4.72in
  • Pacakge dimensions(W*D*H): 240*240*250mm/9.45*9.45*9.84in
  • Net weight: 1.54kg/3.04lb
  • Package weight: 2.5kg/5.51lb

Packing list

  • 1*Tube Amplifier
  • 1*Power Cord
Safe and secure payment by PayPal.
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:
 
 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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