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Pioneer GM-DX874 Class FD 4-Channel Bridgeable Amplifier

$470.00 $403.85

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Product Description

Pioneer GM-DX874 Class FD 4-Channel Bridgeable Amplifier

• “Hi-Res” Certified Amplifier
• Compact Design for Versatile Installation Options
• Perfect match for Pioneer TS-Z Series “Hi-Res” Certified Speakers


“Hi-Res” audio enthusiasts delight, with Pioneer’s GM-DX874 “Hi-Res” compatible 4ch amplifier.

An amplifier shouldn’t take up too much space, especially in your car. The GM-DX874 might just be what you’re looking for. It combines a 1-Ohm stable circuit, installation flexibility and a superior high-power output partnered with “Hi-Res” certification for those of you who only like the best!

Speak to your nearest Authorized Pioneer TS-Z Dealer today for more information.


Pioneer’s new GM-DX874 Class-D digital amplifier is equipped with high quality sound components and tuning and is compatible with “Hi-Resolution” audio allowing simply the highest quality sound reproduction! The perfect partner to Pioneer’s exclusive speaker range, TS-Z Series!

*The product with Hi-Res AUDIO logo is conformed to High-Resolution Audio standard defined by Japan Audio Society. The logo is used under license from Japan Audio Society.


Pioneer’s new extra-efficient Class-D digital amplifiers mark a dramatic improvement in power output capability, yet are 50% smaller than the current GM-Series Class-AB amplifiers. That makes them more versatile in terms of installation as well as performance.


To prevent circuit shutdown, Pioneer’s new digital amplifier circuit “Protection Control System” senses its internal temperature and automatically moderates input level accordingly. Stable, durable circuitry lessens the risk of high input power for the unit to achieve 1 Ω connection. This design enhances the flexibility to connect multiple subwoofers to a system.


For extra flexibility, variable LPF and HPF make audio frequency more adjustable according to subwoofer characteristics and personal listening preferences. The GM-DX874 LPF and HPF are adjustable from 40 Hz to 500 Hz.


What, you DON’T own a Pioneer head unit? Well, we won’t hold it against you. In fact we’ll even help you build onto your system. The GM-DX874’s speaker level inputs allow you to connect your OEM unit (or any unit that doesn’t have the typical RCA-type inputs) without having to buy add-on adapters. So, the install goes faster, you save money, and you’ve got a Pioneer amp in your vehicle.

Number of channels 4
Max. Wattage (4Ω) 200w x 4
Max. Wattage (2Ω)  
Max. Wattage Bridged (4Ω) 600w x 2
Frequency Response 10 Hz - 50 kHz
Wattage RMS (4Ω <=1% THD+N) 100w x 4
Wattage RMS (2Ω <=1% THD+N) 150w x 4
Wattage RMS Bridged(4Ω) 300w x 2
Total Harmonic Distortion (1 kHz, 4Ω) <0.05%
Signal-to-Noise ration (IHF-A Weighted) >95dB
RCA Outputs (Pass-Through) 2 Ch
Speaker Level Input 4 Ch
Automatic Signal Sensing & Turn On Yes
Crossover Type Variable HPF / Variable LPF
Crossover Frequency 40Hz to 500 Hz
Dimensions 252 x 215 x 60 (mm)


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