Electro help: Harman kardon SUB TS11 Sub woofer Troubleshooting, schematic and alignments, wiring details
Harman Kardon - SUB-TS11 - Active subwoofer - Catawiki
Harman Kardon SUB-TS11 (HKTS-11 subwoofer included in the HS300 system) Service Manual, Block and Schematics Diagram, Electrical Parts List and Exploded View - Service Manuals download service