JBL Stadium 82SSI Stadium Series 8" component subwoofer with switchable 2- or 4-ohm 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
Amazon.com: JBL Basspro SL2 - Powered under seat subwoofer system, Black : Electronics
JBL SRX818SP 2000-Watt 18" Active Subwoofer | Reverb
Amazon.com: JBL Club 1224 12" Car Audio Subwoofer : Electronics
JBL Synthesis SSW-2 Dual 12-Inch Custom Home Theater Subwoofer - Black, JBLSSW2BLKAM | Audio Advice
JBL BASSPRO 8" Single-Voice-Coil Loaded Subwoofer Enclosure with Integrated Amp Black SUBBPSL2AM - Best Buy
Amazon.com: JBL Professional IRX115S Powered Compact Subwoofer, 15-Inch,Black : Musical Instruments
JBL CS1214 1000-watt, 12" Car Audio Subwoofer, Black - Walmart.com
JBL HDI-1200P Subwoofer Review: Good Performance At A Premium Price? | Audioholics
JBL Arena X 12" Car Subwoofer - Each | World Wide Stereo
JBL 15" Tornado 15SWT3000 - 1500 Watts RMS Subwoofer | Car Audio BR
JBL+STAGE+1210+12+inch+1000W+Woofer for sale online | eBay
PRX918XLF | JBL Professional Loudspeakers | English
JBL - Studio 660P Subwoofer - Music Direct
JBL 4645 Professional Series 18" Subwoofer - Perfect for JBL 4343 Spea
Denon Home Subwoofer - Subwoofer with HEOS® Built-in | Denon - US
MS-12SD4 | 1800-watt, 12" 4-ohm dual-voice-coil subwoofer
Amazon.com: JBL 8" Car Audio Subwoofer,Black : Electronics
JBL PRX915XLF 15-inch Powered Subwoofer | Sweetwater
Stage Marine 10-inch Subwoofer
JBL – 518S500 Watt powered subwoofer
Amazon.com: JBL Club 1024 - 10” Subwoofer w/SSI (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
JBL EON718S 1500-watt 18-inch Powered PA Subwoofer | Sweetwater
GRAND TOURING GTO 1514D | 15 inch Dual Voice Coil Subwoofer
