ITEM NAME:TPA3116 Digital Power Amplifier Board 2.1Channel Stereo Class D Home Speake N6N3 TPA3116 Digital Power Amplifier Board 2.1Channel Stereo Class D Home Speake N6N3 Sound Amplificador, Digital Power Amplifier, Audio Receiver, Amplifiers, subwoofer amplifier, Stereo Power Am. Maximum Power Per Channel: 100W Channels: 3 (2.1) Model Number: amplifier board Product Name: Bluetooth Digital Power Amplifier Bluetooth Version: 5.0 Chip Type: Class D Chip Model: TPA3116D2 * 2 Supply Voltage: DC12-24V Output power: 100 W + 2 * 50 W (4 ohm) Energy Efficiency: Over 90% Size: 116 * 73 * 30 mm Installation Size: 110 * 45mm Mounting Aperture: 3 mm Colour: blue Material: metal + pc Package Contents: 1 * TPA3116D2 Bluetooth 5.0 Digital Amplifier Board