Audiotek 1 Channel 4000 Watts Max Power AMP Monoblock Car Audio Bass Amplifiers | eBay
BOSS Audio Systems BE4000D Elite Series Car Audio Amplifier - 4000 High Output, Class D, Monoblock, 1/8 Ohm, High/Low Level Inputs, Low Pass Crossover, Hook Up To Stereo and Subwoofer - Walmart.com
Amazon.com: Planet Audio AC4000.1D Anarchy Series Car Audio Amplifier - 4000 High Output, Class D, Monoblock, 1 Ohm Stable, Low Level Inputs, Low Pass Crossover, Hook Up To Stereo and Subwoofer : Electronics
Amazon.com: Blaupunkt AMP4000D AMP4000D 4,000-Watt-Max Monoblock Class D Amp with Bass Remote : Electronics
Massive Audio Nano Edge Monoblock Amplifier 4000 Watt 1 Ohm Stable E4 — Big Jeff Online Inc