Control bass output separate of your head unit.
MWA040 EBC for THUNDER and WET series amps
MWA034 EBC for TA, TE, TC amps and amplified ThunderForms
MWA035 EBC for TH series, RT series, and older XThunder amps
MWA037 EBC for RFL and JackHammer Series amps
XTL-EBC for XTL110P amplified subwoofer
MWA039 EBC for TD Series Amps