under seat subwoofer box

Pioneer® A-Series TS-A250D4 10-In. 1,300-Watt-Max 4-Ohm Dual-Voice-Coil Subwoofer

Alpine PWE-S8 Compact Powered 8" Subwoofer System

Crunch 6 x 9 Inch Coaxial Speakers with QPower Vertical Speaker Box Enclosures

JBL Club 122 12 Inch Car Subwoofer - Each

Boss 12-Inch 3600-Watt 4-Ohm DVC Power Car Subwoofers (Pair) | 2 x CH12DVC

Kicker 52VCVR122 CompVR 12" single subwoofer in vented box, 2-ohm

Planet Audio 1500W Subwoofer + Q Power Truck Enclosure + Boss 1100W AB Amplifier

Wet Sounds RECON 10 FA-XW-W 10 Inch Free Air Subwoofer

Memphis Audio PRXE12DFT Dual 12" LED Loaded Subwoofer Box + PRX800.1V2 800W Mono Amp Bundle w/ 4 Gauge Wiring Kit & LED Controller

Audison AVBX-10-D4-II AVBX 10 D4 II - 250mm 4+4ohm 1100W Sealed Subwoofer Box

SSV Works RZ5-BS10U Polaris RZR PRO 4 Rear Seat 10" Subwoofer Enclosure (UNLOADED)

Crunch 4 Pack CRW8D4 8" 250 Watt MAX 4 Ohm Dual Voice Coil Car Subwoofer Speaker

Crunch 2 Pack CRW10D4 10" 400W MAX 4 Ohm Dual Voice Coil Car Subwoofer Speaker

Pioneer® A-Series TS-A2500LS4 Shallow-Mount 10-In. 1,200-Watt-Max Subwoofer

Crunch 2725W Mono block Subwoofer Car Audio Amp, Adjustable Crossover, Bass Knob

Planet Audio 10" 1500W Dual 4 Ohm Voice Coil Car Audio Power Subwoofer (3 Pack)

Crunch 3725W Monoblock Subwoofer Car Audio Amp, Adjustable Crossovers, Bass Knob

Wet Sounds WW-BTVC-V2 Bluetooth w/ Volume Control - In dash, under dash mount

Wet Sounds Billet WS420-BT Under Dash Mount - Black

2) HIFONICS HFX12D4 12" 1600W Car Audio DVC Subwoofers +Mono Amplifier+Amp Kit

Crunch 1325W Mono block Subwoofer Car Audio Amplifier with Adjustable Crossovers