STLF-21120 21" Raw Woofer Speaker, 600 Watts Pro Audio PA DJ Replaceme – Sound Town Inc
Amazon.com: Lanzar 8in Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Stamped Steel Basket, 4 Ohm Impedance, 600 Watt Power and Rubber Suspension for Vehicle Audio Stereo Sound System - MAX8 (1 pack) : Electronics
Massive Audio TKO12S4 TKO Series. 12 Inch, 600 Watt, 8mm Top Plate, Single 4 Ohm Car Subwoofer. Sold Individually.
Pyle 6.5 in. 600-Watt Car Audio Subwoofers Subs Power Woofers 4 Ohm 2 x WX65X - The Home Depot
SUNDOWN AUDIO U SERIES 8" (600W RMS) D2 OHM SUBWOOFER - Down4Sound Shop
Amazon.com: American Bass Dx124 12 600w 4 Ohm Car Aduio Subwoofer Sub 600 Watt Dx-124 : 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