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
For Jbl Boombox2 High-end 4 Inch 106mm Mid Bass Speaker Subwoofer 4ohm 40w Woofer Low Frequency Long Stroke 1pc - Speakers - AliExpress