Introduction: Introducing our DURABLE Audio amplifier board that is engineered to provide you with the best audio experienceIt is designed using high-quality five 1% film resistors, larger filter capacitors and other electronic parts to ensure durability and reliabilityWith 6 power amplifier tubes, 4 for left and right channels, and the other 2 connected to the subwoofer BTL circuit, this subwoofer amplifier module has a maximum output power of 2 x 100W for left and right channels and 1 x 120W for subwoofer useCompact in size, our high power amplifier kit is easy to carry and store, making it convenient to use anywhereThis volume amplifier board is perfect for DIY enthusiasts as its circuit board is designed to be reasonable, beautiful and cost-effectiveEnjoy high-quality stereo audio from our practical stereo audio amplifier boardGet yours today! Specification:Item Type: Power Amplifier BoardThe Potentiometers From Left to Right: Super bass volume, treble adjustment. The total volume of the left and right channels.Working Voltage: AC dual 18-26V (recommended dual 26V)Maximum Output Power: Left And RightChannels: 2 x 100WSubwoofer: 1 x 120WOutputpower:3x80WOutput Impedance: 4-16 ΩCircuit: A total of 6 disassembled power amplifier tubes and 2 disassembled large capacitors are used, 4 of which are responsible for left and right channels, and the other 2 are connected to BTL circuits for subwoofer use.Board Materials: Five 1% film resistors, large filter capacitors, other brands such as for Nikkei/.The designed of the whole circuit board is reasonable, beautiful, and low noise, which is very suitable for DIY entry.Package List:1 x Power Amplifier Board4 x Screw1 x User Manual