What to do if Yamaha YST-RSW300 turns on unexpectedly?
- MMary CookSep 10, 2025
If your Yamaha Subwoofer turns on unexpectedly, it might be due to noise from external appliances. Try moving the subwoofer away from these appliances and/or reposition the connected speaker cables. Otherwise, set the AUTO STANDBY switch to the OFF position.