JBL SRX818S 18-inch 2-Way Bass-Reflex Passive PA Subwoofer Loudspeaker - Brand New Snowsea BD-158 Freezer 0 speakers / 15W Sound

0 speakers / 15W  Sound Effects  GER (D) + NICAM Stereo

and even the ability to play DVDs

Built-in Bluetooth makes your home theater or wireless eat bud connections very seamless

Dual 380 mm (15 inch) Differential Drive® low-frequency drivers for extended low-frequency output

richer bass sound : A powerful wireless subwoofer

JBL SRX818S 18-inch 2-Way Bass-Reflex Passive PA Subwoofer Loudspeaker - Brand New Snowsea BD-158 Freezer 0 speakers / 15W SoundMANUFACTURER'S DESCRIPTION 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.