The EIS-LOC-T is an electronic interface used to convert speaker level output to low-level RCA output, with maximum 55-watt input. The EIS-LOC-T will convert any speaker (hi-level) level output to an adjustable RCA (low-level) level output, 2-Channel. Enclosed in a small plastic housing the EIS-LOC-T can be installed in any location. Compatibility includes GM BOSE/MONSOON, Ford Premium/MACH, Chrysler INFINITY, Toyota JBL audio system and many more. Use it to integrate an aftermarket 2-channel amplifier.