MS-10SD4 SLIM | An advanced-design, shallow-mount, 4-ohm dual voice-coil subwoofer delivering phenomenal bass in a small space
iF Design - JBL Arena Subwoofers
iF Design - JBL Arena Subwoofers
JBL SUBWOOFER SLIM 10" 200W RMS 2/4 OHMS CLUB WS1000
JBL 2.1-Channel Soundbar with Wireless Subwoofer and Dolby Digital Black JBL2GBAR21DBBLKAM - Best Buy
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