Standard Protective High Boost Cap for WL50B, WL51B, BETA 53, and BETA 54, Black with Gold Top (Contains Five) Post author By manage_stagewerxpsl_gsm Post date February 4, 2021 $0.00 Out of stock SKU: 210000001524 Category: Shop Bose Related products Bose S1 Pro system $649.00 Add to cart ← Beta 181 Supercardioid Capsule → Standard Protective High Boost Cap for WL50T, WBH53T, WBH54T, Tan with Gold Top (Contains Five)