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HiFi 2.0 Channel Stereo Audio Preamp 3-Way Class A Digital Pre-Amp+Tone Control

Item description

Features
  • 3 Groups of Stereo RCA Input: with input switch knob, can switch multi-way input signal losslessly. As a preamp, it can greatly improve the sound quality, with large dynamic, rich details, smooth and clear sound.
  • With HiFi Sound and Tone Control: more smooth and delicate sound can be enjoyed by adjusting treble, mid and bass knob, and bypass function(turn high knob to the leftmost end) is added to turn off the tone control and enjoy original sound, adding much fun and higher playability.
  • Mature Circuit & High-quality Components:
Reasonable and concise layout, left and right channel are powered and amplified independently.
2PCS NE5532 op amps, responsible for pre-amplification and tone control, pluggable socket design, easy to upgrade other op amps to enjoy music of better quality.
Linear power supply, more smooth and much purer just like battery, the sound is much clearer and the reproduction is more accurate.
Pure class A positive and negative pressure multistage independent rectifier filter and anti-interference circuit design, and the output power is strong and stable.
  • Attractive Appearance: whole aluminum alloy case and pure aluminum knobs, looks more fashionable and durable, can match perfectly with audio players, DAC, computer, amplifier, active speakers etc. to provide HiFi audio enjoyment.
Parameters
  • Audio input: 3 groups*stereo L/R RCA
  • Audio output: 1 group*stereo L/R RCA
  • Op amp: 2PCS NE5532
  • Color: silver
  • Frequency response range: 5Hz-50KHZ
  • SNR: 116dB @ 1KHZ
  • Input impedance: 50KΩ
  • Output impedance 600Ω
  • Distortion: <0.003% @ 1KHZ
  • Working voltage: AC 100-120V / AC 220-240V
  • Dimensions(W*D*H): 240*150*47mm / 9.45*5.91*1.85in
  • Net weight: 1.5kg / 3.3lb
  • Package weight: 1.86kg / 4.10lb
Packing List
  • 1*HiFi Preamp
  • 1*Power Cord
Safe and secure payment by PayPal.
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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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