Woofer Speaker Switch Circuit: Description

This is the circuit between the radio receiver and the woofer speaker. When the woofer speaker switch is turned ON and OFF, the woofer speaker is activated and deactivated through control of the signals between the receiver and the woofer speaker.

If there is an open or short in the circuit, sound cannot be heard from the woofer speaker even if there is no malfunction in the radio receiver or woofer speaker.