Pioneer® - GM Series Class AB 4-Channel 1000W Amplifier

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Universal Fit
Fitment Notes:
  • Not Vehicle Specific
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Product Details

Universal GM Series Class AB 4-Channel 1000W Amplifier by Pioneer®. Amplify every note with the extremely powerful amplifier from Pioneer that's a perfect partner for any music head on the road. Perfectly equipped with the latest technology, this high-end amp will effectively drive your sound system and provide outstanding sound quality. With this supreme amp, you can enjoy your music collection loud and proud with amazing clarity of sound.



RCA Inputs: 4-CH
Speaker Level Inputs: Yes
Crossover Type: Adjustable HPF/LPF
Low-Pass Crossover Frequency: 80 Hz
Low Pass Slope (dB/octave): -12db/oct (A/B CH)
High-Pass Crossover Frequency: 40-500Hz
High-Pass Slope (dB/octave): -12dB/oct
Bass Boost Frequency: 50Hz
Bass Boost Level: 0/6/12dB
Automatic Signal Sensing and Turn-On: Yes
Hi-Volt Input Level Control: 0.3V to 6.5V (RCA in), 3.0V to 26V (SP in)
Terminal Type: Screw
Load Impedance Allowance (Ohm): 2 to 4
Bridgeable: Yes
Protection Control System: Yes
Dimensions (WxHxD): 356 mm x 60 mm x 215 mm


  • Number of Channels: 4
  • Amplifer Class: Class AB
  • Maximum Power Output: 1000W
  • Maximum Power Output at 2 Ohms: 250W x 4
  • Maximum Power Output at 4 Ohms: 170W x 4
  • Nominal Power (RMS) Output at 2 Ohms: 95W x 4
  • Nominal Power (RMS) Output at 4 Ohms: 60W x 4
  • Nominal Power (RMS) Output - Bridged at 4 Ohms: 190W x 4
  • Frequency Response: 10Hz ~ 70kHz (+0dB , -3dB)
  • Total Harmonic Distortion (THD): <0.05% ( 10W, 1kHz)
  • Signal-to-Noise (SN) Ratio: > 95dB
  • Fuse Rating: 25Ax2

Technology of GM Series:
From dramatic distinction to dramatic design, Pioneer's new GM-Series amplifiers are thrillers in every sense, pushing the limits of flexibility and functionality.

Variable HPF:
Variable HPF (High Pass Filter) allows for adjustable frequency between 40 Hz to 500 Hz and greater car audio system flexibility according to subwoofer characteristics and personal listening preference.

Bass Boost:
Bass Boost featured in the GM-A6704 and GM-A5702 can be set to levels variably from 0 to 12 dB for optimal bass. This precise control can enhance the overall balance and impact of all sounds according to listening preference and music style. The GM-A5702 allows adjustment in three steps: 0 dB, 6 dB or 12 dB.

Growing Power, Shrinking Size:
New Pioneer amps brilliantly integrate high-power performance superior to that of previous models in space-efficient size for flexibility of installation in various car cabins.

Automatic Signal Sensing and Turn-On:
Pioneer amplifiers automatically select the proper input signal mode, either RCA or speaker level. When the receiver is turned on, the amplifier automatically turns on. When connected to an OEM receiver or a receiver without RCA output and utilizing speaker level output, the amp automatically senses the input mode and powers up in sync with the receiver.

When connected to an OEM receiver or a receiver without RCA output using speaker wire, the amplifier is turned on at the same time as the receiver. Pioneer's amplifiers automatically detect the input signal and select RCA level or speaker level.

Pioneer® was founded in 1938 in Tokyo, Japan by Nozomu Matsumoto – a man with a passion for music that he hoped to share with the world through high quality audio speakers. That passion began with a small operation to repair and manufacture speakers in Matsumoto's garage. It has since grown to international stature as a manufacturer of audio and video products for use at home, in the car, and in business environments. The element that has not changed in nearly 80 years is the passion for audio and video products that Pioneer hopes to share with the world. From the employees at their research labs looking for the "next big thing" to the engineers at Pioneer's factories focused on quality assurance to brand's product trainers explaining the new technology to customers – Pioneer remains passionate about creating an unbeatable entertainment experience.

Part Number:


Pioneer warrants its products to be free from defects in materials or workmanship for a period of 1 year. The warranty period begins on the date the product is delivered.

The warranty is granted to the end-user and applies to products which are purchased, installed, and used for the purposes for which they are originally designed. This warranty covers defects arising under normal use and does not cover malfunctions or failures resulting from misuse, abuse, neglect, improper installation, or incorrect maintenance.

During the warranty period, Pioneer will repair or replace, at no charge, a product that is defective in materials or workmanship. Pioneer reserves the right to either repair or replace a defective component at its discretion and reserves the right to substitute an equivalent product under the terms of this warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

This part is universal



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Pioneer® - GM Series Class AB 4-Channel 1000W Amplifier
Pioneer® - GM Series Class AB 4-Channel 1000W Amplifier
Average Rating: 5 of 5
5 of 5
Great product.
Posted by (West Palm Beach, FL) /
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5 of 5
No complains, great power, affordable!
Posted by (Brooklyn, NY) /
Was this review helpful for you? Yes
5 of 5
Works Well With Pioneer 300W 6x9
I bought the amp to connect to the pioneer 300w 6x9. I have no complaints so far. Great amp, great speakers. I will recommend to my friends.
Posted by (Brooklyn, NY) /
Was this review helpful for you? Yes
5 of 5
Brand New Sound!
Wanted a new amplifier for a long time. Finally received this Pioneer Amplifier as a birthday present, and guess what? I'm lovin it!
Posted by (Brooklyn, NY) / 2011 Dodge Charger
Was this review helpful for you? Yes
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