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GM-D9704: Class-D Amplifier

Harnessing the power of advanced switching technology, Pioneer Class-D amplifiers power is efficiently transferred to the speakers, resulting in higher power output and minimal energy wastage, ensuring maximum efficiency and reduced heat generation. By leveraging the remarkable efficiency of Class-D technology, it allows us to design in a compact form factor, packing incredible performance into a smaller footprint. The compact and lightweight design allows for easy installation in any audio setup, making it perfect for car audio enthusiasts and on-the-go music lovers.

4-Channel GM-D Series Amplifiers

GM-D9704 4-channel amplifier will greatly improve the sound quality in your vehicle. This amplifier will power your front and rear speakers with 130W RMS each. You will hear much more of the little details in your music, especially when you turn your system up to overcome road noise. With this amplifier, you can run your front speakers with the front channels (A), then combine the rear channels (B) to drive a subwoofer. You can also put this versatile amp into 2-channel mode to send up to 400W RMS each to a couple of component speakers or subwoofers.

GM-D9704: 1,600W Power Output

An amplifier shouldn’t take up too much space, especially in your car. The GM-D9704 might just be what you’re looking for. It combines a 1-Ohm stable circuit, installation flexibility, and superior high-power output of up to 1,600 Max Power Output.

Audiophile-grade Components

Built with advanced circuitry and a robust power supply, our amplifier guarantees enhanced voltage stability even in the most demanding conditions, ensuring consistent and reliable performance. Embrace the profound impact of lower impedance as our amplifier unleashes the full potential of your bass response. With increased current delivery to your subwoofers, revel in deeper, tighter, and more impactful bass that adds a new dimension to your audio experience.

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 output260 W x 4 (4Ω) 400 W x 4 (2Ω) 800 W x 2 (4Ω Bridged)
RMS power output130 W x 4 (4Ω) 200 W x 4 (2Ω) 130 W x 4 (1Ω) 400 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.)
Dimensions302 mm x 60 mm x 215 mm

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