sub box ported

Pyle Wave Base Bluetooth Tabletop Soundbar Digital Speaker System with Remote Control

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

QPower Quad 4 Hole 12 Inch Sealed Divided Speaker Box Subwoofer Enclosure

2) MTX TN12-02 12" 400 Watt Car Audio Subwoofers + Ported Dual Box Enclosure

Hertz DBA 201 8" (200mm) Active Sub Box-Dual Passive Radiators

Pioneer® Double-DIN In-Dash CD Receiver with Bluetooth®

Crunch 2525W 4 Channel Subwoofer Car Audio Amp, Adjustable Crossovers, Bass Knob

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

Pioneer® MVH-S322BT Car Stereo Head Unit, Single-DIN, Shallow-Chassis, LCD with Smart Sync Compatibility

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

Shanling Onix Zenith XST20 SACD Transport

Q Powerr Dual 12" Ported L3 L5 L7 Subwoofer Box Speaker Enclosure (2 Pack)

QPower Dual 12" Sub Box - Chevy Silverado & GMC Sierra Crew & Double Cab 19-26

Hertz DBA 201F 8" (200mm) Super-Flat Active Under-Seat Sub Box

MTX Magnum MB210SP 10-Inch 400W RMS Dual Loaded Subwoofer Sub Box System Package

Pioneer® A-Series TS-A3000LB Shallow-Mount Pre-Loaded Enclosure with 12-In. 1,500-Watt-Max Subwoofer

QPower QSMBASS15 Dual 15" Carpet Subwoofer Sub Box Sealed Speaker Enclosure

Q Power Dual 12" Vented Subwoofer Box, Heavy Duty Extra Large Bass Enclosure

Hertz Dieci Series DST-303B 12" (300mm) Reflex Tube Sub Enclosure

Alpine W12S4 12-inch Single 4 Ohm Subwoofer

Kanto Ren Powered Speaker System (white) And SUB8 Powered 8in Subwoofer (white) Bundle

Fusion MS-RA210 Source Unit w/ Clarion CMSP-651RGB-SWG Premium 6.5-inch Coaxial Marine Speakers with built-in RGB illumination ( Includes White & G...