Lanzar Maxp64 Max Pro Compact 6.5 Inch Round 600 Watt Powerful Performance 4 Ohm Vehicle Truck Car Subwoofer Audio System (single Subwoofer) : Target
STRATO-8 - 1200 Watt 8 Inch Car Subwoofer - CT Sounds – CT SOUNDS
Kicker 44CWCS124 CompC 12" 600 Watt 4 Ohm Single Voice Coil Car Audio Subwoofer - Walmart.com
JL Audio 10W6v3-D4 with XD600/1v2 600 Watt Subwoofer Kit: 10W6v3-D4-XD600-1
6.5 in. 600-Watt Car Mid Bass MidRange Woofer Audio Speakers 8 Ohm Black 2 x PDMR6 - The Home Depot
FOCAL SUB600P 12" 600 Watt Powered Subwoofer Black | Accessories4less
Amazon.com: BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually : 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,Black : Electronics
SUNDOWN AUDIO U SERIES 8" (600W RMS) D2 OHM SUBWOOFER - Down4Sound Shop