Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•The speaker protection board has a power-on delay and DC protection,instant shutdown feature,all-round protection of your expensive speaker!
•Mute delay boot,shutdown speed off.
•All finished boards are good debugging,and power test.
•Amplifier midpoint potential protection,the midpoint of DC from the control point of more than 0.7V.
•Note: 2 sets of BTL circuit strings are required. The speaker protection needs winding power supply, and cannot share power with other circuits.
