Standard Protective High Boost Cap for WL50W, WL51W, White with Gold Top (Contains Five) Post author By manage_stagewerxpsl_gsm Post date February 4, 2021 $0.00 Out of stock SKU: 210000001527 Category: Shop Bose Related products Bose S1 Pro system $649.00 Add to cart ← Filtered Protective Mid Boost Cap for WL50T, WL53T, Tan with Silver Top (Contains Five) → Filtered Protective Mid Boost Cap for WL50W, White with Silver Top (Contains Five)