JBL GTO Series GT120 12" 4-ohm Subwoofer at Crutchfield
JBL GTO1202D Grand Touring 12" Dual 2 ohms Subwoofer GTO 1202D #1077 Great Used Condition | Reverb
JBL GTO1214 at Onlinecarstereo.com
JBl GTO 12”s in a 4th order! for Sale in Seattle, WA - OfferUp
JBL GTO1202D Grand Touring 12" Dual 2 ohms Subwoofer GTO 1202D #1077 Great Used Condition | Reverb
GTO1214 | Powerful 12 inch 4-ohm Voice Coil Subwoofer
JBL GTO1214D 12" Grand Touring Series 1400W Subwoofer
Amazon.com: JBL S2-1224 - 12” Subwoofer with enclosure and SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black (S2-1224SS) : Electronics
User manual JBL GT5-12 (English - 4 pages)
JBL GT5-12 specifications
JBL Grand Touring Series GTO1204D 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics