New subwoofer by BK electronics, this has replaced my Epos M Subwoofer. This subwoofer rocks especially when using the high level connection for more seamless integration. I have also connected the LFE
QSC AD-S.SUB-BK 6.5" Dual voice-coil surface subwoofer, provides High-pass output for up to four (4) satellite speakers, 70/100V transformer for mono or bypass, Low-Z mono or stereo operation, Available in black.