When the subwoofer is in standby mode, the light will glow red, and when in operation, the light will glow blue.
Mgbe subwoofer dị na ọnọdụ njikere, ìhè ga-acha uhie uhie, ma mgbe ọ na-arụ ọrụ, ìhè ga-acha anụnụ anụnụ.