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GM-DX874: The Audiophile Selection

Pioneer’s 4-Channel, GM-DX874 is compatible with high-resolution audio that offers sound reproduction with extraordinarily realistic atmosphere. With superior-quality audio parts and fine acoustic tuning yield outstanding sound quality. A high-capacity audio power source capacitor ensures stable power supply even at high power output.

High-Resolution Audio Support

Designed to maximize the sound performance of High-Resolution Audio. High-Resolution Audio generally refers to music data with a volume of information exceeding that of CDs. The frequency response of this amplifier stretches up to 50,000 Hz, so it will support crystal-clear, Hi-Res playback. Pioneer uses high-grade electronic parts and gold-plated RCA connections to ensure maximum performance.

4 Channel Systems with up to 1,200W Power

The GM-DX874 4-Channel Amplifier will deliver 300W RMS (2 Ω) to each of your front and rear speakers, for powerful music. Highly efficient Class-D technology keeps this powerful amp running as cool as it looks and allows for a compact chassis that fits in a lot of out-of-the-way spaces.

Audiophile-grade Components

Superior-quality audio parts and fine acoustic tuning yield outstanding sound quality and ensures stable power supply even at high power output. Audio film capacitors and low impedance coil are used for the output LC Filter to ensure excellent sound quality audio tuning based on the reproduction of the original audio source allows everyone to experience the difference in sound quality when connected.

Pioneer Designed, Engineered, Custom-tuned and Manufactured

Each GM-D Amplifier is an emblem of Pioneer’s precision design and engineering with a True Pioneer Sound Characteristics. With unwavering commitment to quality, every step of our manufacturing process adheres to the highest standards in our state-of-the-art facility, ensuring that each GM-D Amplifier is an emblem of precision engineering.


Amplifier ClassClass FD
No. of Channels4/3/2
Max.power output200 W x 4 (4Ω) 300 W x 4 (2Ω) 600 W x 2 (4Ω Bridged)
RMS power output100 W x 4 (4Ω) 150 W x 4 (2Ω) 125 W x 4 (1Ω) 300 W x 2 (4Ω Bridged)
Frequency Response10 Hz to 50 kHz
Impedance1Ω to 8Ω
Total Harmonic Distortion(THD)<0.05%
S/N Ratio>95 dB
RCA Outputs (Press- Through)Yes (A-Ch)
Speaker Level InputYes
Automatic Signal Sensing and Turn-OnYes
Crossover TypeVariable HPF/LPF
Crossover Frequency40 Hz to 500 Hz
Bass Boost Frequency50 Hz
Baas Boost Level0 dB to 18 dB
Bass Boost RemoteYes (B-Ch)
Dimensions252 mm x 60 mm x 215 mm

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