Amazon.com: JBL Club WS1200 12" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
JBL 70V System - 1200 Square Feet For Drop Ceiling | Sweetwater
JBL Club WS1200 Club Series 12" shallow-mount component subwoofer with 2- or 4-ohm selectable impedance at Crutchfield
Amazon.com: JBL Club WS1200 12" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
JBL Club A600 1200 Watts Max Amplifier
Amazon.com: JBL Club WS1200 - 12” Shallow mount subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm : Electronics
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JBL - GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer GX-1200 Black #221 z38/2 | eBay
JBL 1200GTI Subwoofers user reviews : 4.5 out of 5 - 15 reviews - carreview.com
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JBL GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer Black GX1200 - Best Buy