ITEM NAME:2.0 Ch Pam8620 Digital Amplifier Audio Board 2 x 15W Audio Stereo For Diy S P5U3 2.0 Ch Pam8620 Digital Amplifier Audio Board 2 x 15W Audio Stereo For Diy S P5U3 Maximum Power Per Channel: 15W Model Number: None Channels: 2 (2.0) Package: No Type: Home Amplifier Features: Supply voltage: DC 12V (Do not overvoltage, overvoltage will burn IC) Input method: single-ended (factory default) Output power: 15W Stereo (24V 8 Ohm), 10W Stereo (12V 8 Ohm), if connected to 4 Ohm or 2 Ohm speakers, the power will be automatically limited to 15W) Differential (select by jumper) Size: 75.69mm * 41.96mm Product weight: 35g Process materials: High-grade pure black gold circuit board, imported WIMA red audio capacitor, per channel large-capacity filter capacitor, special custom black pure copper terminal, gold-plated audio input terminal, pure black quad volume potentiometer (without switch). Performance: Efficiency: Greater than 90% Total Harmonic Distortion plus Noise: less than 0.2% Low quiescent current Noise suppression Protection: reverse power supply input protection, short circuit, over current, overheat, overvoltage, low voltage, over EMI Additional features: External mute function (MUTE: high level mute, factory default low level) External Shutdown Function (SD: Low-Level Chip Shutdown, Factory Default High) Colour: Black material: plastic Package Contents: 1 * module