Strong power, 3 watts stereo output, loud and clear, (recommended to use 3 w - 10 w, diameter of 3 inches of the horn ).
1 IR Reciver ( remote control need to buy another )
2 "SD":SD/MMC SLOT , can automatically play when plug in SD/MMC Card (Need SD Adpater if use TF Card )
3 "USB" :U Disk Plug ,can automatically play when plug in
4 "PREV/VOL-" :Long press for volume -; On the USB/SD state short press for Prev
5 "PLAY/PAUSE" :On the USB/SD state short press for PLAY/PAUSE
6 "NEXT/VOL+":Long press for volume +; On the USB/SD state short press for Next
7 Working indicator : Light after connect power , Flashing when workin
Wiring instructions: (please use 2pcs 4 o 3-5 w Full frequency speaker)
1, Red seat "GND" for "-5v " "5v" for "+5v "
2, white seat "L- " for "- left speaker ", " L+" for " + left speaker "
3, white seat "R -" for "- right speaker " , "R+" for "+ Right speaker "
Decoding board power supply requirements: full-wave rectifier power supply, not less than
2200 uf capacitor filter. Output voltage is not higher than 5 v direct current, the
current 800 ma - 1 a, if the current power supply shortage: can produce repeated switch
machine, pause and similar phenomena. Please do not use the charger to power a decoding
board. Especially easy to damage the decoder board.
Speaker wiring : Amplifier output is BTL output , no common ground,The "+" and "-" of left
and right channels couldn't be connected together which can cause damage to the power
amplifier chip. Also can not put the speaker output from other amplifiers, can also damage
to power amplifier chip