down firing subwoofer enclosure

Planet Audio PX12 12" 1000W Car Audio Shallow Subwoofer Sub Power Woofer

2) Boss CH10DVC 10" 3000W Car Subwoofers Audio DVC Power Subs Woofers 4 Ohm

MTX TN12-04 12" 400 Watt Sub Woofer Car Audio Power Bass Subwoofer TN1204

Boss 12" 1800W Car Subwoofer Audio DVC Power Sub Woofer 4 Ohm Stereo (4 Pack)

Boss CH10DVC 10" 1500W Car Subwoofer Audio DVC Power Sub Woofer 4 Ohm Stereo

BOSS AUDIO Chaos CX122 12" 2800 Watt Car Power Subwoofer Sub Woofer PAIR

JBL BassPro 12 Car Audio Powered 12" Subwoofer System with Slipstream Port Technology

Q Power QBOMB15V Dual 15" Vented Port Subwoofer Sub Box w/ Bedliner Spray

Alpine (2) S2-W8D2 8" S-Series Dual 2 Ohm Car Subwoofer & (2) KTE-8G.3 Grille Bundle

Kicker 51HS12 Hideaway Compact Powered Subwoofer, 12-Inch

Hifonics HFX12D4 12 Inch Subwoofer, 800 Watt Max 400 Watt RMS Single Speaker for Car & Powersports Vehicles

MTX Audio TNP212D2 Terminator Series Dual 12" 400W RMS Sealed Enclosure and Mono Block Amplifier

Pyle " 1000 Watts Slim Active Subwoofer System - AQTB8.5

Kicker 43C84 Comp 8" Subwoofer, Single Voice Coil, 4-Ohm

PowerBass 2 S-1204D 12" Dual 4-Ohm Subwoofers

Kicker 46L7T84 L7T L7-Thin 8-Inch (20cm) Subwoofer, Dual Voice Coil, 4-Ohm, 350 Watt

Kicker 48CWRT82 CompRT 8" Subwoofer, DVC, 2-ohm

PowerBass PS-AWB121 - 12" Single Loaded Amplified Ported Enclosure

Kicker Comp 15-inch (38cm) Subwoofer, 4-Ohm, RoHS Compliant

Kicker 45VL7R122 Single 12 inch Vented Enclosure

Kicker 52DCVR122 CompVR 12" dual subwoofers in vented box, 2-ohm

Kicker Hideaway HS10 10" Compact Powered Subwoofer

Kicker 48CWRT102 CompRT 10" 2-Ohm DVC Subwoofer