Audio Amplifier Board, 4O 4Ohm 3W+3W Mini Amplifier Board Pam8803 Dc 2.5V 5V Digital Stereo Power Amp 2.0 Dual Channel Class D A

Mini Size High-Quality Dual-Channel Stereo Class-D Audio Amplifier Board Capable Of Delivering 3W Per Channel Of Output Power Into A 4O Load. It Employs Pam'S Pam8803 Ic Which Offers 64-Step Digital Volume Control And Low Thd+N, Allowing It To Produce High-Quality Sound Reproduction. Mininial Size With Volume Up And Down Button On Board, User Can Control Power On, Power Off , Mute And Volume Through The I/O Pin. Features: Use Avx Dual-Ball Capacitors, On-Board With 64-Step Volume Control Up And Down Buttons, Machine Welding All Control Pins Are All Led Out And Can Be Controlled By Single-Chip Microcomputer, Including Power On And Off, Mute, Volume Increase And Decrease A Perfect ''Class D'' Architecture 3W Output At 10%Ihd With A 4Ohm Load @5Vsupply 64-Step Digital Volume Control 2.5V-5V Dc Width Power Supply Superior Low Noise Short Circuit Protection Minimal Board Size 0.7X0.8X0.15Inch 64-Step Gain Adjustment On Board Also Can Control By Pic Avr Arm Frequency Response: 20Hz To20Khz(3Db) Signal/Noise Ratio: 85Db (F=22Hz To 22Khz, Thd=1%) Package Included: 1X Mini Amplifier Module