KMC-3 - Bass Cuts off While Playing at High Volumes
KMC-3 shutting down?
Why is my KMC-3 turning off?
KMC-3 bass issues?
This is a sign that your battery power is becoming weak because the system is demanding more power than the weakened batteries can provide. Play at a lower volume until you replace (or recharge with a separate charger if using rechargeable) the batteries, or switch to AC power.