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Pioneer :: GM-A6604 :: $106.95

Pioneer GM-A6604

Item# 36687

GM Series 4-Channel Power Amplifier

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What's Included:

  • Two 25amp ATO fuses (installed)
  • 4" Speaker-level input harness
  • Owner's Manual (English/ French/ Spanish)
  • Four 5/8" Self-tapping screws
  • 4-Channel amplifier

Product Highlights:

  • fuse rating: 25A x 2
  • switchable high- and low-pass filters (80 Hz, 12 dB/octave) on A channels
  • 13-3/4"W x 2-3/8"H x 8-1/2"D
  • variable high- and low-pass filters (40-500 Hz, 12 dB per octave) on B channels
  • MOSFET power supply
  • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 4-channel car amplifier
  • 60 watts RMS x 4 at 4 ohms (90 watts RMS x 4 at 2 ohms)
  • 180 watts RMS x 2 in bridged mode (4-ohm stable in bridged mode)
  • CEA-2006 compliant
  • bass boost (0-12 dB at 50 Hz) on B channels
  • preamp and speaker-level inputs

From dramatic distinction to dramatic design, Pioneer's new GM-Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality. The 4-channel GM-A6604 delivers a whopping 760 watts max - plenty of juice to power your speakers. It's also got built-in low-pass/high-pass crossovers, speaker level inputs for easy connection to an OEM headunit and oversized power terminals.


Power at 2 Ohms (Watts x Channels) 90 x 4
Minimum Impedance Bridged 4
Amplifier Class AB
Peak Power Output (Watts x Channels) 190 x 4
Signal to Noise Ratio 78 dB
Best Frequency Response 10-70k Hz
Width (inches) 14-1/8
RMS Power Output (Watts x Channels) 60 x 4
Low-Pass Slope (dB/octave) 12 dB/octave
Bridged Power (Watts x Channels) 180 x 2
Bass Boost Frequency 50 Hz
Input Voltage 14.4v
Fan Cooled No
THD at Rated RMS Power 1%
Height (inches) 2-3/8
Low-Pass Crossover Frequency 40-500 Hz
High-Pass Crossover Frequency 40-500 Hz
High-Pass Slope (dB/octave) 12 dB/octave
Bass Boost 0-12 dB
Fuse Rating 50
Speaker Level Inputs Harness
Preamp Outputs No
Depth (inches) 8-1/2
Minimum Impedance Unbridged 2
  • UPC: 884938219808
  • Weight: 6
*Warranty: 1 Year warranty.
1 Year warranty from implies that repairs must be returned to, not the manufacturer. More information can be found in our help section under returns & warranties.
What's not covered : Misuse, abuse, defacement, physical damage of any kind, and improper installation / operation. Video and multimedia equipment with damaged or cracked screens.Subwoofers and speakers are not warranted against being blown, burned or abused.