8 powered subwoofers

Wet Sounds REVO10HPS4-B 10" High Power Marine Subwoofer 4-OHM with 10" Universal Marine Sub Box Enclosure

Jensen JW10A 10" Powered Subwoofer Enclosure

Alpine UTE-83BT Receiver, SXE-6926S 6x9" Speakers (Pair) w/ PWE-S8 Powered 8inch Woofer Bundle

Niles SW8 8" Compact Powered Home Theater Subwoofer With Dual Passive Radiators - 1200 Watt

Kicker 51PTRTP12 - TRTP 12" 500w Powered Down Firing Loaded Subwoofer Enclosure

Alpine Halo9 Digital Multimedia Receiver with 9-inch HD Display w/ PWE-S8 Powered 8inch Woofer Bundle

Pyle PLPW10D Power 10" 1000W 4 Ohm Car Audio Dual Voice Coil Subwoofer (4 Pack)

Kicker Marine Audio System – OEM KM84L White 8" LED Speakers (6 Total) & 10" Subwoofer with 48KXMA800.8 8-Channel Amplifier – Pontoon & Wake Boat U...

Kicker Marine Audio System – OEM KM84L Charcoal 8" LED Speakers (6 Total) & 10" Subwoofer with 48KXMA800.8 8-Channel Amplifier – Pontoon & Wake Boa...

Kicker Marine Audio System – OEM KM614L Charcoal 6.5" LED Speakers (6 Total) & 10" Subwoofer with 48KXMA800.8 8-Channel Amplifier – Pontoon & Wake ...

Kicker Marine Audio System – OEM KM614L White 6.5" LED Speakers (6 Total) & 10" Subwoofer with 48KXMA800.8 8-Channel Amplifier – Pontoon & Wake Boa...

Monolith M-IWSUB8 8in In-Wall Subwoofer | Passive, Paintable Grille, Easy Install, Adds Powerful Bass To In Wall or In Ceiling Home Theater System

Pyle 10" In-Wall/In-Ceiling Subwoofer, 360W Peak Power - PDIWS10

Kicker Marine Bass Tube & Amp Kit – 46CWTB82 8" Subwoofer Tube + 48PXA3001 Amp – DIY Boat Audio Upgrade for Pontoon & Wake Boats

Infinity Basslink Mini 6 x 8" Powered Underseat Subwoofer System

Edifier® 70-Watt-RMS T5s Powered Subwoofer with 8-In. Long-Throw Woofer, Low-Pass Filter, Auto Standby, Signal In/Out Ports, Slim Vertical Enclo...

Alpine (2) SXE-1751S 6 1/2" 2-Way Component Speakers (2 Pair) w/ PWE-S8 Powered 8inch Woofer Bundle

Alpine SXE-1751S 6 1/2" 2-Way Component Speakers (Pair) w/ PWE-S8 Powered 8inch Woofer Bundle

Kicker Pontoon - Tritoon Boat Premium Audio Upgrade, (4) 8" LED Marine Speakers, 10" Subwoofer tube & KXMA 5Ch. Marine Amplifier Bundle

Kicker Marine Audio System – KM84L Charcoal 8" LED Speakers (6 Total) & 10" Subwoofer with 48KXMA800.8 8-Channel Amplifier – Pontoon & Wake Boat Up...

Kicker Marine Audio System – KM654L White 6.5" LED Speakers (6 Total) & 10" Subwoofer with 48KXMA800.8 8-Channel Amplifier – Pontoon & Wake Boat Up...

Kicker DIY Center Console Boat Audio System – 6 KM654L 6.5" LED Speakers, 10" Subwoofer & KXMA800.8 8-Channel Amplifier Upgrade

Kicker Marine Audio System – KM654L 6.5" LED Speakers (6 Total) & 10" Subwoofer with KXMA800.8 8-Channel Amplifier – Pontoon & Center Console Boat ...

Kicker Malibu Wake Boat Audio Upgrade – KM654L 6.5" LED Speakers (6 Total) & 10" Subwoofer with KXMA800.8 8-Channel Marine Amplifier System