Pioneer GM-D8604 Digital Power Amplifier
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Pioneer GM-D8604 Digital Power Amplifier

( Pioneer )
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Pioneer GM-D8604
Class-FD 4-Channel Bridgeable Amplifier
  • New full-range Class-FD four-channel amplifier
  • features amazing quality and power performance 
  • an astoundingly small size
  • Incredibly compact design
  • provides flexibility for installation
  • in a wide variety of applications
  • from hide-away locations to full custom installs
Same Powerful Output from a More Compact Amp
100 % of the power, 45 % of the size
The superior efficiency of a Class-D amplifier means higher power output and greater compactness than an analog amplifier offers.

 Efficiently Compact, Awesome Power
Class-D amplifiers overcome the inefficiencies of traditional Class-A or AB amplifiers. Pioneer’s Class-D amps transform very little power
into heat so a higher percentage of the power supply (67 %) is transformed into the load. This results in a very compact amp which needs
less input power to produce very high output power. The Class-D amplifier’s PWM (Pulse Width Modulator) modulates the original
audio input signal with a triangulated signal wave which has a much higher fixed frequency. The result is a digital signal which contains
both the input signal and a band of frequency components around the modulation frequency. A LPF (Low Pass Filter) then filters out the
high frequency pulses and the resulting amplified output signal is then sent to the subwoofer and/or speakers.

Built-In Crossover (40~500Hz Variable Low-Pass or High-Pass)
Built into the GM-D8604 is a very smart crossover network. This optimizes your system's efficiency and delivers the best possible

sound quality.

Speaker Level Inputs
What, you DON'T own a Pioneer headunit? Well, we won't hold it against you. In fact we'll even help you build onto your system.

The GM-D8604 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.

 photo PioneerGM-D9500FInputampControl.jpg

Number of Channels 4/3/2
Maximum Power Output1200 W
Continuous Power Output (2 ?, ? 1% THD+N) 150 W x 4
Continuous Power Output (4 ?, ? 1% THD+N) 100 W x 4
Continuous Power Output Bridged (4 ?)300 W x 2
Frequency Response 10 Hz to 35 kHz
Total Harmonic Distortion (4 ?)< 0.06% (1 kHz)
Signal-to-Noise Ratio (IHF-A Weighted, at 1 kHz)> 95 dB
Dimensions (WxHxD)10-3/8" x 2-3/8" x 7-7/8"
 photo PioneerGM-D9500Fpowerampoutput.jpg
Amplifier ClassClass FD
Load Impedance Allowance (?)2 to 8
MOSFET Output SelectionYes
PWM Regulated MOSFETYes
Balanced Isolator Input CircuitYes
RCA Inputs4-Ch
RCA Outputs (Pass-Through)Yes
Speaker Level Input Yes
Speaker Line Input Turn-On SensorYes
Hi-Volt Input Level ControlY
Terminal TypeScrew-Type
Crossover Type4-Ch. HPF/LPF
Crossover Frequency40 Hz to 500 Hz
Crossover Slope-12 dB/oct.


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