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Car Amplifiers

Pioneer GM-A6604, A5604, A5602, A3602 Car Amplifiers

Pioneer GM-A6604 Car Amplifier

Pioneer just released four new GM-A series car amplifiers priced from $80 to $160, which offer convenient features such as a turn on/off input sensor, bass boost and low/high-pass filters for quick and easy installation. The GM-A series amplifiers have been completely redesigned to be more compact in every dimension, including height, to increase physical installation flexibility. Available in four models, the amps incorporate a smaller chassis, slimmed down significantly in size from the previous generation to take up less space in the vehicle.

GM-A6604 (4-channel), 760 Watts MAX (pictured top)

Pioneer GM-A4604 Car Amplifier
GM-A4604 (4-channel), 480 Watts MAX

Pioneer GM-A5602 Car Amplifier
GM-A5602 (2-channel), 900 Watts MAX

Pioneer GM-A3602 Car Amplifier
GM-A3602 (2-channel), 400 Watts MAX

Both GM-A6604 and GM-A5602 shrank 28 percent from previous models, while the GM-A3602 is down by 35 percent to fit in tight areas of the car such as under seats and in extremely small trunks. For added installation convenience (for example – connecting to factory installed stereo systems), each model is built with an input sensor that triggers the amplifiers to automatically turn on (and off) through the speaker connections, making the installation process faster and eliminating the need for additional wiring.

Each model also features a variety of audio adjustments for increased sound quality. The more powerful models, GM-A6604 and GM-A5602, include variable bass boost that can be set to levels between 0 to 12 dB for optimizing bass levels according to preference and music style. The GM-A6604 also features variable adjustments from 0 to 12 dB and the GM-A5602 provides three step adjustments (0 dB/6 dB/12 dB) for precise control and overall audio balance. Additional enhancements throughout the line include low and high pass filters, RCA inputs and speaker level inputs.

Pioneer also refined the cosmetics to create a smoother and modern design utilizing black cast aluminum heat sinks and a bold red accented body, ideal for custom installations where the amplifiers can be seen.

Price and Availability
All four Pioneer GM-A series amplifiers are currently available:

  • Pioneer GM-A6604 (4-channel), $80
  • Pioneer GM-A4604 (4-channel), $130
  • Pioneer GM-A5602 (2-channel), $150
  • Pioneer GM-A3602 (2-channel), $160
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