GTO1214 | Powerful 12 inch 4-ohm Voice Coil Subwoofer
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JBL GTO804 8" Car Subwoofer for sale online | eBay
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JBL Jay Bieru GTO1214D 30cm Woofer MAX1400W | Sub Woofer Speakers | Croooober
Amazon.com: JBL GTO629 6.5/'' GTO 2-Way 360 Watts MAX Power Grand Touring Series Coaxial Car Audio Speakers Bundled with Alphasonik, GTO629+Alpha : Electronics
JBL GTO1202D Grand Touring 12" Dual 2 ohms Subwoofer GTO 1202D #1077 Great Used Condition | Reverb