JBL Harman STAGE1200B Car subwoofer passive 1000 W | Conrad.com
Jbl 18 Inch Bass for Sale, Wholesale Jbl 18 Inch Bass at Direct Price | Globalsources.com
JBL STX818S Single 18-Inch Passive Bass Reflex Subwoofer | PSSL ProSound and Stage Lighting
JBL GT4-12 (gt412) 1000W Single 4 ohms 12" Subwoofer
JBL Stadium 1000 Mono subwoofer amplifier — 1,000 watts RMS x 1 at 2 ohms at Crutchfield
JBL Stadium 1000 High Performance 2600 Watt Peak Power Class D Car Audio Mono Subwoofer Amplifier Bundle with 2x JBL Stage 1210 12" 1000 Watts Peak Power Car Audio Subwoofer and Amplifier