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Pioneer :: GM-A4604 :: $88.99

Pioneer GM-A4604

Item# 36689

GM Series 4-Channel Power Amplifier

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What's Included:

  • Owner's Manual (English/ French/ Spanish)
  • 4" Speaker-level input harness
  • 30amp ATO fuse (installed)
  • Four 5/8" Self-tapping screws
  • 4-Channel amplifier

Product Highlights:

  • 120 watts RMS x 2 in bridged mode (4-ohm stable in bridged mode)
  • preamp and speaker-level inputs
  • 13"W x 2-3/8"H x 8-1/2"D
  • fuse rating: 30A x 1
  • 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • variable high- and low-pass filters (40-500 Hz, 12 dB per octave) on B channels
  • 4-channel car amplifier
  • 40 watts RMS x 4 at 4 ohms (60 watts RMS x 4 at 2 ohms)
  • CEA-2006 compliant
  • switchable high- and low-pass filters (80 Hz, 12 dB/octave) on A channels
  • Class AB amp technology, MOSFET power supply

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-A4604 delivers a 480 watts max in a compact design - 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.


Minimum Impedance Unbridged 2
High-Pass Slope (dB/octave) 12 dB/octave
Bass Boost No
Fan Cooled No
RMS Power Output (Watts x Channels) 40 x 4
Depth (inches) 8-1/2
Bass Boost Frequency N/A
Best Frequency Response 10-70K Hz
Bridged Power (Watts x Channels) 120 x 2
Peak Power Output (Watts x Channels) 120 x 4
Signal to Noise Ratio 78 dB
THD at Rated RMS Power 1%
Input Voltage 14.4v
Preamp Outputs No
Minimum Impedance Bridged 4
Height (inches) 2-3/8
Amplifier Class AB
Low-Pass Crossover Frequency 40-500 Hz
Low-Pass Slope (dB/octave) 12 dB/octave
High-Pass Crossover Frequency 40-500 Hz
Fuse Rating 30
Speaker Level Inputs Harness
Width (inches) 13
Power at 2 Ohms (Watts x Channels) 60 x 4
  • UPC: 884938219709
  • 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.