BioGuard Burnout 3, 1 lb, Pack of 24, Quick Dissolving, Maintains Brilliantly Clear Water, Effective for Proper Pool Maintenance

Taramps BASS 5K 1 Ohm 1 Channel 5000 Watts RMS MAX, Full Range Car Audio, Monoblock, LED Monitor Indicator, Class D Amplifier, Crossover, White 5k amp, Sound Quality

Autotek AYA-1100.1 Alloy Series Mono Subwoofer Car Audio Amplifier (Silver) – Class A/B Amp, 1100 Watt, Wired Bass Remote Included, Variable Electronic Crossover

Kicker LX1650.1 1650w Mono Class-D Subwoofer Amplifier with Smart Bass (51LX16501)

Kicker Warhorse WXA3600.1 Monoblock Subwoofer Amplifier | 3600 Watts x 1 at 1-Ohm - 49WXA36001

PLINIUS PHF1000D car Audio Amplifier Monoblock Class D MOSFER 1000 watts RMS Remote Subwoofer Level Control

Taramps Smart 3 Bass 0.5 to 2 Ohms 3000 Watts RMS, Multi Impedance, 1 Channel, Amplifier for Car Subwoofer, High Power Class D, Mosfet Monoblock Digital, Smart 3k, Crossover Low Pass with Bass Boost

Kicker 47KEY5001 500-Watt Mono Channel Amp with Start/Stop Capability

Hifonics BG-3300.1D Brutus Gamma Monoblock Super D Class 3300 Watt Car Audio Sound System Subwoofer Speaker Amp Amplifier with Bass Knob