Just in case some of you wondered what a MTX Jackhammer looks like... ($15000 price tag) : r/CarAV
独特な店 HMMER AUDIOJACK MTX - カーオーディオ
22" 369 lb JackHammer #subwoofer with TA series #amplifiers and RoadThunder subwoofers taking over the area … | Car audio, Car audio installation, Car audio systems
MTX Jackhammer Series 22" Subwoofer – G2 Dynamics, LLC