JBL SRX818S Passive Subwoofer 18” passive-subwoofer 15-inch woofer with a 3-inch

15-inch woofer with a 3-inch voice coil

Delay (with tap-tempo)

Its tone is powered by a pair of direct-mounted Bare Knuckle Aftermath Tyger pickups

The Marshall 1960BHW Extension Cabinet is a hand-soldered

The blend control lets you adjust the balance of echo volume with straight through signal

JBL SRX818S Passive Subwoofer 18” passive-subwoofer 15-inch woofer with a 3-inch18" Passive Subwoofer System SRX818S is a single 18 subwoofer for concert, touring, or installed use. Featuring a standard M20 pole cup for use with top boxes, indexing feet for stacking in both the standard and cardioid position, and a 136dB max SPL, the SRX818S is an ideal solution for musicians, bands, and DJs, concert use, public speaking, or installations such as performance venues, corporate spaces, educational facilities or houses of worship.