GLADEN-MOSCONI ATM2 (2 ohms)- 200W RMS MONO amplifier module for subwoofer boxes

Recoil ATC500.1 MAX 1,000 Watts Class-D Car Audio Mono-block Subwoofer Amplifier

GLADEN ATM4 4-OHM 200W RMS MONO AMPLIFIER MODULE COMPACT SUBWOOFER INTEGRATION

Kenwood KAC-M3001 Compact Marine-Grade Mono Subwoofer Amplifier 200W RMS @ 2-Ohm

PRV Audio Mini Car Audio Amplifier 1 Ohm 2600 Watts MDX2500.1 Full Range

Kicker 12PX200.1 Compact mono subwoofer amplifier 200 watts RMS x 1 at 1/2 ohm

Recoil A DI800.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,500 Watts