PreSonus Eris Sub 8 8-inch Powered Studio Subwoofer | Sweetwater
100w Household High-power 8 Inch Subwoofer Speaker Subwoofer Active Subwoofer Fever Hifi High Fidelity Subwoofer Long Stroke - Speakers - AliExpress
Yamaha 8-Inch 100-Watt-Max Powered Subwoofer Black NS-SW050BL - Best Buy
Nyne NHT5.1RGB 5.1 Channel Surround Sound Home Audio Theatre System – RGB Multi-Color Illumination, For TV, USB, SD, RCA Out In, 8 Inch Active Subwoofer, 6 Inch Passive Radiator, Soundbar - Walmart.com
LAB SlapBox+™ x JL Audio 8-Inch "Active" Subwoofer System with Built-In Amplifier in Ported Enclosure Optimized vented box with integrated class D amp & 8" JL Audio W3v3 subwoofer
Amazon.com: BOSS Audio Systems BASS8 8 Inch Under Seat Powered Car Subwoofer – 800 High Output, Low Profile, Built in Amplifier, for Truck, Boxes and Enclosures, Remote Subwoofer Control : Electronics
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
PreSonus Temblor T8 8 inch Powered Studio Subwoofer | Sweetwater