Description
Variable HPF & LPF
Adjust LPF & HPF (40-500 Hz).
Bass Boost Remote
Bass Boost (Remote) for optimal bass level adjustment according to listening preferences and music characteristics.
Automatic Signal Sensing and Turn-On
Pioneer’s Class-D amplifier automatically selects an input signal mode between the RCA level and the speaker level detecting an input signal. In the case of speaker line input, the amplifier will automatically switch on when the receiver is turned on.
Protection Control System
Designed to bolster reliability, this system reduces the risk of damage due to an overly high input power, by sensing the internal temperature and moderating the signal on-the-fly.
High Quality Sound Parts and Tuning
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.
High-capacity Audio Power Source Capacitor
Pioneer’s original high-capacity audio power source capacitor contributes to higher sound quality and stable power allotment even at high output.
Class FD Technology
Enjoy first class sound and powerful volume on a versatile system at half the size of other units.
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.
General
| Amplifier Class | Class-FD |
| No. of Channels | 4 / 3 / 2 |
| Maximum Power Output |
260 W × 4 (4Ω) 400 W × 4 (2Ω) 800 W × 2 (4Ω Bridged) |
| RMS Power Output |
130 W × 4 (4Ω) 200 W × 4 (2Ω) 130 W × 4 (1Ω) 400 W × 2 (4Ω Bridged) |
| Frequency Response | 10 Hz – 50 kHz |
| Impedance | 1Ω – 8Ω |
| Total Harmonic Distortion (THD) | <0.05% |
| Signal-to-Noise Ratio (S/N) | >95 dB |
| RCA Outputs (Pass-Through) | Yes (A-Ch.) |
| Speaker Level Input | Yes |
| Automatic Signal Sensing & Turn-On | Yes |
| Crossover Type | Variable HPF / LPF |
| Crossover Frequency | 40 Hz – 500 Hz |
| Bass Boost Frequency | 50 Hz |
| Bass Boost Level | 0 dB – 18 dB |
| Bass Boost Remote | Yes (B-Ch.) |
| Dimensions (W × H × D) | 302 mm × 60 mm × 215 mm |
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