GMC AT4
Another brand new GMC Truck with a Huge Bass Upgrade! 1000 Watt MTX Amplifier with 2 x 500 Watt MTX Subwoofers! The Bass Output of this system is insane! 2024 GMC AT4
Subwoofer
2× MTX 500W RMS subwoofers installed in an under-seat enclosure for maximum bass in a compact setup.
Amplifier
1000W RMS MTX amplifier mounted under the rear seat—hidden when seats are folded down, delivering compact yet powerful performance.
Subwoofer Box
GMC-specific dual 12" subwoofer enclosure designed for a perfect factory fit in GMC and Chevy vehicles.
×
❮
❯