JBL Stage 1200D Stage Series ported enclosure with two 12" subwoofers 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
Amazon.com: JBL Dual 12" Car Audio Ported Enclosure, Black : Electronics
DSi 2.0 Series | JBL Professional Loudspeakers | English (US)
JBL PRX412M 1200W 12 inch Passive Speaker - White | Sweetwater
Musictone 1200w XP-1200 Professional DJ Audio Amplifier at Rs 19000 in New Delhi
GTO-751EZ | Powerful 1200-watt Car Subwoofer Amplifier