ACTIVE LINE OUTPUT CONVERTER WITH AUTO TURN-ONLPA-E.4 2-Channel or 4-Channel Input Selection LocPRO ADVANCED line output converters feature incredible input power capabilities, enhanced output controls, and noise isolation countermeasures. Combined with the newest vehicle systems' compatibility, these features are the gateway for your audio aspirations. FEATURES Aluminum housing 40V / 400W maximum @ 20kΩ Low pass filter (CH3/4 only) Bass boost (CH3/4 only) Dual variable gain controls Selectable ground (common, ISO or 200Ω) Load selections: 20Ω, 60Ω, 20KΩ Clip indicator Turn-on mode selection (remote and DC) 9.5V Output voltage Removable quick-connect with screw-type terminal Wide range DC offset 4 Channel IN & 4 Channel Out Unfiltered OR 2 Channel IN & 4 Channel Out Unfiltered Independent Clip indicator for Front and Rear Bass level controller included (LPA-REM)