Home > Event, Broadcast & Exhibition > Sound > Speakers > JBL SRX Dual 18" Full Color Productions Full Color Productions is a HireHop user. JBL SRX Dual 18" to rent SRX828S is a passive, two-way, portable 18” subwoofer for concert, touring, or installed use. Featuring a wide stance for splaying top boxes, indexing feet for stacking in both the standard and cardioid position, and a 141dB max SPL. 18-08-2023 Show Phone Number Visit Website Share Product Hire price from : $50.00 Located in - Denver, Clairmont St.