JBL ACK1 Universal Accessory Caster Kit Compatible w/ SRX918S and SRX928S
Compatible with SRX918S and SRX928S. The ACK1 is a universal accessory caster kit used for transportation of compatible JBL products. The housing and wheels are black for a discreet look even in situations where the rear of the product is facing the audience, as in cardioid subwoofer stacks.