ZV28-MKII Dual 18" Powered Sub - BASSBOSS Powered Loudspeakers
PLAN] SSP218 Modified Subwoofer - YouTube
BASSBOSS - The BASSBOSS DV12-MKII 12” Powered Loudspeaker raises the bar and lowers the BOOM. The updated DV12-MKII offers improved performance on many levels: output, resolution, detail and depth, with a crazy-low