Connecting The Subwoofer To A Receiver Or Preamp/Processor With A Dedicated Subwoofer Output; Connections - Harman Kardon HKTS 200 SUB Service Manual [Page 7] | ManualsLib
Harman Kardon HKTS210SUB 200-Watt Home Theater Subwoofer TESTED! | eBay
Harman Kardon Citation Sub S | Compact wireless subwoofer with deep bass