For users of Beat Sonic's 【TOON-X】! When temporarily removing the DSP, this "DSP Bypass Coupler" allows you to revert to the original sound simply by attaching it to the coupler plugged into the DSP unit (^^)/ This was created to address the issue of no sound when the DSP unit is removed for maintenance, etc. By replacing the coupler plugged into the TOON-X unit with this product, sound will be output from the vehicle's original head unit directly to the speakers. ■ Uses and Features ・Convenient for sudden troubles, such as when the DSP unit is suspected of failure ・Allows for returning to the original system while leaving the TOON-X harness in place ・Bypasses only the speaker signal lines (power lines, etc., are not connected) ・Restores navigation audio, as well as telematics and other driving assistance voice guidance ※Normally, removing the DSP unit will cause no sound to be output from all of the vehicle's speakers! ■ Set Contents DSP Bypass Coupler 1 piece ※No Japanese instruction manual included. ■ Important Notes This is a processed product, so please refrain from purchasing if you are overly concerned about details.