4-Channel High-to-Low Level Line Output Converter with Remote Turn-On The MTLOC4 converts four factory speaker outputs into four RCA outputs, expanding your upgrade options. It offers selectable input impedance (20, 60, or 20k ohms) to prevent factory system errors. Effortless Amplifier Activation Auto turn-on via audio detection, DC offset, or remote trigger allows plug-and-play convenience and reduces installation complexity. Built Tough and Compact Constructed with an anodized aluminum shell and surface mount components, the MTLOC4 resists interference and runs cool. Its small footprint fits most vehicle setups. Crystal-Clear Sound Delivering less than 0.01% THD from 10Hz to 20kHz, this converter keeps your audio sharp and clean. Unlock the full potential of your factory system with the MTLOC4!