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CVR D-654 Black Digital Power Amplifier 4 Channel High Power Pro Audio Amp
D-SeriesD series digital power amplifiers are our company's new generation flagship products. This series of power amplifiers adopt the multi-loop control technology independently developed by our company and have excellent technical indicators; the power conversion technology specially designed for low impedance and high current enables the power amplifier to have more than 95% efficiency and excellent stability; switching power supply Using active PFC and soft switching technology, and optimized design for the audio power amplifier, it can adapt to the harsh grid environment and provide continuous surging power for the power amplifier.
D series digital power amplifiers are our company's new generation flagship products. This series of power amplifiers adopt the multi-loop control technology independently developed by our company and have excellent technical indicators; the power conversion technology specially designed for low impedance and high current enables the power amplifier to have more than 95% efficiency and excellent stability; switching power supply Using active PFC and soft switching technology, and optimized design for the audio power amplifier, it can adapt to the harsh grid environment and provide continuous surging power for the power amplifier.This series of power amplifiers have the characteristics of high reliability, sufficient power, outstanding sound, and strong adaptability. It has 2 varieties of 2 channels and 4 channels, stable and reliable 2Ω drive capability, which can be applied to line arrays.
Features
High efficiency, energy saving, operating cost is low;
Compact and light weight,structure is firm;
Comply with the safety and EMC standards;
Energy-efficient signal processing and error correction technology ensure a more beautiful sound
90-260VAC wide range power supply;
Using international high-end manufacturers' components, first-class quality;
Temperature controlled fan, quiet operation;
Modular design and maintenance is simple;
2, 4 channel design,Very suitable for touring;
Pass rigorous reliability, environmental adaptability, and user experience tests to make your use easier;
Environmental protection
Model
D-654
8Ω/Stereo
4x650W
4Ω/Stereo
4x1100W
2Ω/Stereo
4x1870W
16Ω/Bridge
2x1300W
8Ω/Bridge
2x2200W
4Ω/Bridge
2x3740W
Output RMS voltage
72.1V
Gain(Rated Power,1kHz)
Selectable ：38dB/35dB/32dB/29dB
THD+N
typical:0.01%(10% Rated Power, 1kHz,8Ω)
Cross-talk
≥90dB(20Hz-1kHz,below Rated Power)
Frequency response
typical:+0,-0.5dB(10% Rated Power,20Hz-20kHz,8Ω)
Input impedance
20kΩ(Balance),10kΩ(Unbalance)
Damp factor
typical:5000(8Ω,20Hz-200Hz)
SNR
≥105dB(A weighted,20Hz-20kHz,8Ω)
Main power
100-240VAC ±10%,50/60Hz
Protection
Under voltage
DC
Over temperature
Limiter: Over temperature,Over load, Short
Size (WxHxD)
483x45x465mm
Net weight
13kg
UPC
810175751672
Generating expert take…
Pro Audio Technology, known as PRO, traces its origins to 2004 when founder Paul Hales, a veteran of QSC Audio, established Professional Home Cinema, LLC in the United States. Hales aimed to bring genuine professional-grade audio into residential spaces, revolutionizing surround sound with loudspeakers and DSP amplifiers designed for high-end home theaters. In 2010, the company rebranded to Pro Audio Technology to align with its evolving strategic vision, while retaining its core focus on installed systems.
The brand specializes in professional-style loudspeakers and DSP amplifiers/processors tailored for residential custom installations. These components emphasize scalability, precision, and integration, often forming complete systems for immersive audio. PRO later expanded through its sister company, Theory Audio Design, adapting PRO technology for broader home audio applications without venturing into consumer categories like headphones, turntables, DACs, or cables.
PRO holds a niche boutique position in the high-end market, favored by A-list celebrities from the movie and music industries, sports figures, and global leaders for their private screening rooms. Its reputation rests on delivering pro-audio performance in domestic settings, prioritizing reliability and sound quality over mass-market appeal, making it a discreet choice for discerning buyers seeking uncompromising installed systems.
See all Pro Audio Technology listings on RADAR.
