Check the listing for details. Electro-Voice (EV) EVID12.1P 650W 12" Active Subwoofer. Condition: New. Listed at 799.00 USD. The Electro-Voice ® EVID 12.1P is a subwoofer system designed to complement the EVIDTM line of full-range loudspeakers. The 12.1P is ideal for supplementing the bass response of any EVIDTM model in an indoor application. It is particularly useful in sports bars, dance floors, retail environments, health clubs, restaraunts, etc. The 12.1P adds the extra dimension of a powerful low end where foreground music is desired. Its 650 watts of dynamic power and 126 dB maximum sensitivity1 is enough to satisfy any music requirement when used with EVIDTM Surface Mount Speakers. The 12.1P’s slot-loaded design allows for flexible mounting and placement while delivering the smoothest bass response possible. Reinforced steel-fastener construction and the low- profile bracket allow for a variety of wall, corner and ceiling mounting configurations.