ZETHUS-218S | ZETHUS Series Dual 18,ZETHUS-112BPWX4 | ZETHUS Series 4 x 12” Powered 2-Way Line Array Loudspeaker System w/ Two Titanium Compression Drivers, Onboard DSP, Black,ZETHUS-218SPW | ZETHUS Series Dual 18“ Powered 3200W Line Array Subwoofer w/ DSP, 2-Channel Class-D Amplifier, Birch Plywood, Black,ZS-112BPW-PAIR | ZETHUS Series Pair of 12” Powered 2-Way Line Array Loudspeaker System w/ Two Titanium Compression Drivers, Onboard DSP, Black,Amazon.com: SOUND TOWN: LINE ARRAY