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🎶 Elevate your ride’s soundtrack with power and precision — don’t just listen, experience it!
The Pioneer GM-A3702 is a 2-channel bridge amplifier delivering up to 500 watts of clean, powerful sound. Featuring automatic signal detection and on/off synchronization with your receiver, it supports both RCA and speaker-level inputs for versatile installation. Its balanced isolator input circuit minimizes noise and alternator whine, while the durable aluminum alloy build ensures lasting performance. Perfect for audiophiles seeking premium sound quality and seamless integration in their vehicle audio system.





| ASIN | B01KKHT4YU |
| Best Sellers Rank | 240,428 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 99 in Car Audio & Video Stereo Amplifiers |
| Brand | PIONEER |
| Customer Reviews | 4.4 out of 5 stars 1,118 Reviews |
| Global Trade Identification Number | 00884938340168 |
| Included Components | 2-Channel amplifier |
| Item Dimensions | 18.1 x 24.3 x 6 centimetres |
| Item Type Name | PIONEER |
| Item Weight | 3.1 Pounds |
| Item dimensions L x W x H | 18.1 x 24.3 x 6 centimetres |
| Manufacturer | Pioneer Electronics USA Inc |
| Manufacturer Part Number | GM-A3702 |
| Material | aluminum alloy |
| Maximum Output Power | 500 watts |
| Maximum Supply Voltage | 12 Volts (DC) |
| Maximum supply voltage | 12 Volts (DC) |
| Model Number | GM-A3702 |
| Mounting Type | Through-Hole Mount |
| Mounting type | Through-Hole Mount |
| Number of Channels | 2 |
| Output Power | 500 Watts |
| Package Type Name | Pioneer Bridgeable Amplifier ,Black/red |
| Specification Met | CE |
| UPC | 884938340168 |
| Unit Count | 1.0 count |
| Voltage | 12 Volts (DC) |
N**K
Clean sound, no alternator whine
Previously I had a Crunch amp and it gives the alternator whine when I press on the accelerator. Tried many ways to fix it with capacitors and better grounding but it can only be fixed by turning down gain all the way. After changing to this, it sounds really clean even with the gain being turned up by default, despite having reused all the old power and grounding cables.
B**H
Great amp, with awesome sound and definite value for the money
Sounds really better than expected. Looks great and inconspicuous. I have mine wired at 2ohms. It holds stable with no drain and no overheating. Easy to connect and the auto on/off feature is great. You'll really enjoy this amp. It provides a great sound over stock any day. And if we're being honest, i actually bought 2!
M**Z
Excelente producto
Buen producto costo / calidad, además llegó en tiempo y en muy buen estado su empaque.
J**D
Good
Works good and affordable
M**.
Very nice little amplifier. I am very pleased with the deal I got too.
I saved a fair bit of money buying a 'used' amplifier here on Amazon. Other than a few scuffs and no original packaging it doesn't look like it had ever been installed. I am using it in bridged mono mode, and installation was very straightforward, and it fits nicely behind the driver's seat of my very small sports car. It won't blow the windows out, but that doesn't interest me in the least. It adds nicely to the bottom end, and controls my 8 inch Alpine subwoofer with little effort.
Trustpilot
3 weeks ago
3 weeks ago