DROK AC to DC Bridge Filter Audio Power Converter Board Rectifier for Amp TDA8920/TDA7293/LM3886 Amplifier Dimensions:77mm x 72.5mm x 38mm Input Voltage:Dual AC 5V~25V Output voltage:Dual DC 6V~35V (No-load) Filter capacitor: 8 pieces SANYO 2200uF/35V Support TDA8920/TDA7293/LM3886 or other dual AC power amplifier board