MX-4 Add-A-Sub High-to-Low Level Converter Installation Tutorial (car electronics audio)
DIY with Mike Stiers www.maxxsonics.com This unique Controller provides the ideal way to add more bass without changing an entire OEM radio system. The MX-4 converts and filters high-level factory speaker wires into ultra-clean unbalanced (RCA) low-level signals to an aftermarket amplifier. This unit also features a variable signal output from 4 volts to 9 [...]