RCA / Cinch Y-adapter (stereo to mono downmix for subwoofer) od autora jk_printer | Stáhněte si zdarma STL model | Printables.com
Amazon.com: RCA to 3.5mm Mono, 6ft 3.5mm 18 inch Mono Male Plug to RCA Male Audio Cable Adapter, RFAdapter for Speakers, Subwoofer(RF0A0195A-CA) : Electronics