6.5 in. 600-Watt Car Mid Bass MidRange Woofer Audio Speakers 8 Ohm Black 2 x PDMR6 - The Home Depot
Pyle 12 Inch 600 Watt Mount Car Audio Subwoofer Enclosure Box System With Rear Vented Design And Led Lights For Trucks, Outdoors, And Parties : Target
DS18 ZR6 6.5" Car Subwoofer, 300/600 Watts, Dual 2/4 Ohm | 12 Volt & Beyond | $ 79.95 | DS18-ZR6
Sundown Audio U 8" inch DVC Dual 2 Ohm (U Series) Car Subwoofer 600 Watts RMS
Klipsch Reference 800 Series Dual 8" 600-Watt Passive 2-Way Floor Standing Speaker (Each) Black 1069851 R-800-F II - Best Buy
BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually
Amazon.com: American Bass Dx124 12 600w 4 Ohm Car Aduio Subwoofer Sub 600 Watt Dx-124 : Electronics
SUNDOWN AUDIO U SERIES 8" (600W RMS) D2 OHM SUBWOOFER - Down4Sound Shop
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