RetroSound® SUB8100 8-inch Class D Amplified Subwoofer – Retro Manufacturing
Alpine PWE-S8 Compact 120-watt powered 8" subwoofer at Crutchfield
Discontinued Obsolete SKU | MTX Audio - Serious About Sound®
Hideaway Powered Subwoofer | KICKER®
Sound Ordnance™ B-8PTD 125-watt compact powered subwoofer at Crutchfield
QSC KS118 3600W 18 inch Powered Subwoofer | Sweetwater
8" Active Amplified built in Amp Under Seat Sub Subwoofer Enclosed box ON SALE | eBay
BB15 Single 15" Powered Sub - BASSBOSS Powered Loudspeakers
Amazon.com: Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Marine Underseat Car Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs PLMRSBA8 : Electronics
Buy Wholesale China 8" And 10" Amplified Subwoofer & Amplified Subwoofer at USD 36 | Global Sources
Pioneer TS-WX1210AH 12" Ported Subwoofer Enclosure with Built-in Amplifier
Amazon.com: Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs PLBX8A : Electronics
ACPS112LG-TW1 - Car Audio - Subwoofer Systems - MicroSub+™ - JL Audio
VPAS12 - 12" Powered Active Subwoofer 600W MAX - Cerwin Vega