Audio System HLC2 EM Quadlock 40 Plug & Play Quadlock High Low Adapter Compatible with BMW, Ford, Mercedes, Opel, Seat, Skoda, Volkswagen, VW Description 2-way high-low adapter including Quadlock 40 HLC2 EM including Quadlock plug 40 pin assigned for OEM connections as Subwoofer or front tap length: 750 mm. to HLC2 EM / 350 mm HLC 2 EM - 2-cal high-low adapter - Can be used for OEM amplifiers up to 100 W RMS thanks to HPI technology - Connects to all OEM radios and OEM amplifiers - Prevents interference and switch-on noise - Generates a switch-on signal (remote) via BTL or Sigl detection (SE technology) - Integrated switch-off delay Gerung with Sigl Detect (SE) - Superior sound quality thanks to low-noise op amps - 5 volt preamp technology (RCA) - Very fast and correct music recognition (SE and BTL technology) - Automatic switching between SE and BTL mode - Includes advanced speaker load simulation with the latest PRS circuit