4 hole subwoofer box

Kicker (2) 46L7T104 L7T L7-Thin 10" Subwoofer, Dual Voice Coil, 4-Ohm & 52GL710 Grill Bundle

Cerwin-Vega RPM104FA - RPM 10" 4-Ohm Single Voice Coil Subwoofer for Free Air Applications

Wet Sounds REVO 10 FA S4 V3 - REVO Series 10" Free Air 4 Ohm V3 Subwoofer, Black and Wet Sounds REVO 10 SW-B GRILLE V3 - Black Salt Water Grille fo...

Kicker Marine KPX500.1 Powersports Amp & 10" 4 Ohm ( White Grill )Subwoofer Audio Upgrade, Includes LED Remote

Kicker (2) 51MWE104 - MWE 10-Inch Premium Marine Subwoofer (Enclosure) 4-ohm & 48KMA8001 Marine Amp Bundle ( Includes LED Remote )

Hifonics 4 Pack ELITE 10” Shallow Subwoofer Dual Voice Coil Audio Speaker, 600W

Kicker 51MWE104 - MWE 10-Inch Premium Marine Subwoofer (Enclosure) 4-ohm & 48KXMA9005 Marine Amp Bundle

Kicker 48PXA6001 Weatherproof Powersport Mono Amp & (2) 10" 4 Ohm Free-Air Marine Subwoofer ( White Grill )

Kicker 48PXA6001 Weatherproof Powersport Mono Amp & 10" 4 Ohm Premium Marine Subwoofer (Charcoal Grill )

Kicker 48PXA6001 Weatherproof Powersport Mono Amp & 10" 4 Ohm Premium Marine Subwoofer (Charcoal Grill ) Includes LED Remote

Kicker 48PXA6001 Weatherproof Powersport Mono Amp & (2) 10" 4 Ohm Marine Subwoofer

MTX TERMINATOR 1000-Watt RMS 1Ω Mono Block Class D Amplifier and Two MTX Audio 5510-44 55-Series 10" 400W RMS Dual 4-Ohm Subwoofer

Memphis Audio 60th Anniversary MJP1244 MOJO Pro Series 12" Component Subwoofer with Dual 4-ohm Voice Coils

Memphis Audio MJP1544 15" Dual 4 Ohm MOJO Pro Subwoofer

Kicker 51MWF124 - MWF 12-Inch Premium Marine Subwoofer (free-air) 4-ohm & 48KMA6004 Marine Amp Bundle

Kicker 52CVR15 CompVR 15-Inch (380mm) Subwoofer, 4-Ohm DVC Bundle

MTX TERMINATOR 1000-Watt RMS 1Ω Mono Block Class D Amplifier and Two MTX Audio 3510-04S 35-Series 10" 300W RMS 4-Ohm Shallow Mount Subwoofer

Kicker (4) 51MWF104 - MWF 10-Inch Premium Marine Subwoofer (free-air) 4-ohm & 48KXMA8004 Marine Amp Bundle

Hifonics ELITE 8 Inch Shallow Mount Car Subwoofer, Dual 4 Ohm Voice Coil Speaker 500 Watt Peak Power Mobile Amplifier, Black/Blue

Kicker 48PXA6001 Weatherproof Powersport Mono Amp & (2) 12" 4 Ohm Premium Marine Subwoofer (Charcoal Grill ) Includes LED Remote

Memphis MJP1244 MOJO Pro Series 12" Subwoofer with Dual 4-ohm Voice Coils with a MJP1000.1 1000W Monoblock Amplifier and Memphis 4 ga Wire Kit

Kicker 48CWRT104 Subwoofer BR-DS10U Add-On & 47KEY5001, CK8 Amp Kit Bundle Compatible With 2021-2025 Ford Bronco 4-Door Rear Door

Kicker (4) 51MWF124 - MWF 12-Inch Premium Marine Subwoofer (free-air) 4-ohm & 51KXMA15001 Marine Amp Bundle

Wet Sounds REVO 12 HP S4 V3 12" High Power 4 Ohm Subwoofer with REVO 12 XW-B GRILLE V3 - Black XW Style Closed Grille and PORTED-12-ENC 12" Rotomol...