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Douk Audio H7PRO TPA3255 Digital Amplifier w/VU Meter 300W Home Stereo Power Amp

Item description

Introduction
 
H7PRO is a mini digital amplifier designed by Douk Audio, combining a compact design with exceptional performance. Adopting a TPA3255 amp chip, the power output up to 300W for each channel can effortlessly drive 4-8Ω speakers, delivering impressive sound quality. With single-ended RCA and balanced XLR inputs, preamp RCA output besides speaker jacks output, easily to build multi-channel systems. Two VU meters are added with pointer swinging in real-time with audio signal changes, to get both auditory and visual enjoyment.
Features
  • Compact but output strong power: H7PRO features the TPA3255 high-end digital class D amp chip, max power output of per channel can up to 300W, it can effortlessly drive 4-8Ω speakers, delivering impressive sound quality. Its compact size makes it suitable for various applications, from bookshelves and desktop setups to home theaters.
  • Dual VU meter design and balance control: based on H7 and after collecting lots of helpful advice from our users, H7PRO designed with dual VU meters for left and right channel that dynamically swing with changes in the audio signal. The independent volume control of the L/R channel is removed and the balance control is added to adjust the balance volume of the left and right speakers for a more even and natural sound.
  • Dual analog inputs and preamp output: H7PRO combines a minimalist design with exceptional function. Besides standard RCA input, also with a balanced XLR input to minimize interference and reduce noise floor. H7PRO also features its preamp RCA output, another amplifier and active speaker/subwoofer can be connected to build 2.1 or multi-channel home theater systems.
  • Audiophile-grade components and sound: H7PRO adopts Japanese ELNA and Rubycon filter array, professional audio inductors and all-sealed precision potentiometer etc., with an SNR of up to 110dB and ultra-low noise floor to deliver exceptional clarity and low distortion. Traditional design but with enough heat dissipation area to ensure optimal performance and long-time stable working.
  • Refined craftsmanship and attractive appearance: CNC-machined, customized all-aluminum alloy construction, ensuring both longevity and a luxurious feel. VU meters to show the volume in real-time, harmoniously combine retro charm with contemporary design, let us experience a HIFI musical journey through time via Douk Audio H7PRO.

Warm tips:

1.The RCA output is pre-amplified, its output level and the speaker jacks output are controlled by the main volume synchronously.
2.There are two sensitivity adjustments for two VU meters on the bottom of H7PRO, one is responsible for the left channel and another is for the right.

Parameters

  • Brand: Douk Audio 
  • Model: H7PRO
  • Audio input: single-ended RCA / balanced XLR
  • Audio output: banana speaker jacks / stereo RCA
  • Max output power: 300Wx2 (@4Ω)
  • Matched speaker impedance: 4-8Ω
  • Frequency response: 20Hz-20KHz (±0.8dB)
  • Input sensitivity: 2V    
  • Max output level of RCA: 2V
  • THD: 0.008%
  • SNR: ≥110dB
  • Working voltage: DC 24-48V
  • Dimensions(W*D*H): 167*126*42mm / 6.57*4.96*1.65in
  • Package dimensions(W*D*H): 310*240*70mm / 12.20*9.45*2.76in
  • Net weight: 803g / 1.77lb
  • Package weight ( with 32V power adapter): 1.42kg / 3.13lb
Power Output Table of H7PRO
 
Power Supply Speaker Impedance Rated Output Power
32V/5A 4Ω 78W+78W
6Ω  71W+71W
8Ω  65W+65W
48V/5A 4Ω 120W+120W
6Ω  110W+110W
8Ω 102W+102W
48V/10A 4Ω 250W+250W
6Ω  210W+210W
8Ω 185W+185W

Packing List

  • 1×H7PRO Amplifier
  • 1×DC 32V Power Adapter (optional)
  • 1×DC 48V Power Adapter (optional) 
  • 1×User Manual
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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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