Alpine S2-A60M Next-Generation S-Series 600W Mono Amplifier

Alpine S-A60M, S Series Class D Monoblock Subwoofer Amplifier, 600 Watts

Alpine SA60M S-Series Class D Mono Amplifier

Alpine MRV-M500 500 Watt RMS Class "D" Mono Car Amplifier

Alpine MRP-M1000 Car Stereo Audio Subwoofer Mono Amp Amplifier 1000 Watts RMS

Alpine S-A60M S-Series mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms

Kick_er 46CXA8001 Car Audio Class D Amp Mono 1600W Peak Sub Amplifier CXA800.1

Alpine MRP-M1000 Car Stereo Audio Subwoofer Mono Amp Amplifier 1000 Watts