JBL Professional WK-4S Caster Kit for SRX718S and SRX818SP Subwoofers, 4-Piece

The JBL Professional WK-4S is a loudspeaker accessory from JBL's professional audio product line, part number WK-4S.

Caster Kit for SRX718S and SRX818SP Subwoofers, 4-Piece

Manufactured by JBL Professional (Harman International) for commercial, touring and installed sound applications. Ships as a special order via authorized JBL Professional distribution unless otherwise noted.