Pyle Power Series Dual-voice-coil 4-ohm Subwoofer (6.5", 600-Watt) in the Mobile Audio department at Lowes.com
600 Watts Single 10″ Package (MK600.1+2210D2) | AD Store
Amazon.com: Skar Audio VD-8 D4 8" 600W Max Power Dual 4 Ohm Shallow Mount Car Subwoofer : Electronics
Amazon.com: BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually : Electronics
SUNDOWN AUDIO U SERIES 8" (600W RMS) D2 OHM SUBWOOFER - Down4Sound Shop
Kicker 44CWCS124 CompC 12" 600 Watt 4 Ohm Single Voice Coil Car Audio Subwoofer - Walmart.com
Alpine RS-W10D4 10” 600 Watt RMS Shallow Car Audio Subwoofer Dual 4-ohm Slim Sub | eBay
Pyle 6.5 in. 600-Watt Car Audio Subwoofers Subs Power Woofers 4 Ohm 2 x WX65X - The Home Depot
6X8" Amplified UnderSeat Subwoofer 150 Watts Rms
FOCAL SUB600P 12" 600 Watt Powered Subwoofer Black | Accessories4less
Alphasonik HSW208 Hyper 200 Series 8” 600 Watts Max / 200 Watts RMS Si | Alphasonik
Amazon.com: PYLE PLW10BL 10-Inch 600 Watt Subwoofer, Red : 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
5 Core 10 inch Subwoofer 600W,4Ohm Replacement DJ Speaker Car Audio Sub Woofer Loudspeaker Wide Range Loud SP-1090 | Reverb
Lanzar Maxp64 Max Pro Compact 6.5 Inch Round 600 Watt Powerful Performance 4 Ohm Vehicle Truck Car Subwoofer Audio System (single Subwoofer) : Target
Rogue Car Audio Vandal 8 – 600 WATT 8 inch Subwoofer – Droppin HZ Car Audio
DS18 Car Audio 6.5 High Excursion Subwoofer 600 Watt Dual 2 Ohm VC ZXI6.2D | eBay
Sundown Audio SD-4 12" inch DVC Dual 4 Ohm (SD-4 Series) Shallow Mount Car
Lanzar MAXP64 6.5" 600 Watt Subwoofer
Rockville RVP12W4 600 Watt 12" Raw Replacement DJ PA Subwoofer 4 Ohm Sub Woofer