It is a mini digital audio amplifier board which is supplied with PM2038 energy amp chip with 5W+5W twin channel energy output and 4-8 ohm ouput impedance. DC5V USB energy provide enter and compact dimension very best for DIY mini stereo audio system.
On-board potentiometer to control the sound quantity
5V USB energy provide port simple to be powered
Output Impedance: 4-8ohm, Working Voltage: DC5V, Module Dimension: 50 X 44 X 22mm/1.97 X 1.73 X 0.87inch(L*W*H)
Ship it out by e-packet with monitoring info and 7-17 enterprise days supply time normally