Back-to-Front Mounted Antenna Converter Kit (Converts WA500 to WA501)–consists of 2 Cables and Bulkhead Adapters for LX4 and SC4 Wireless Receivers Post author By manage_stagewerxpsl_gsm Post date February 4, 2021 $0.00 Out of stock SKU: 210000001957 Category: Shop Bose Related products Bose S1 Pro system $649.00 Add to cart ← WA461 Output Cable, TA3F To 3.5mm Stereo, 1 ft, used with UR5 → Universal Mounting Bracket for Connecting Two Half Racks. Mounts an Extruded Chassis to a Side-Mount Chassis. (Ex: DFR11EQ to UC4, P4M to P6T)