Shure WA360 In-line Mute Switch for LX1, PG1, PGX1, SC, SLX, T1, U1, UC1,ULX1 and UR1 Bodypack Transmitters

Compared with its usual price, you're saving less than the store says. It hasn't been priced at the store's "was" price of $112 at any point in the last 3 months.