User Manual

Features:
Three kinds of audio input: Bluetooth receive; USB decoding play;
TF card decoding play.
SKU:180082
Connection:
The front output can directly promote headphones or connect rear
amplifier.
Volume can be controlled from your phone (or other devices with
bluetooth function) or buttons on this board.
MODE: press the “MODE” button to switch among three kinds of audio
input, Bluetooth receive; USB decoding play; TF card decoding play.
Power: DC5V.
Effective bluetooth transmission d istance: 10- 15 meters.
MK1
C22
C23
R22
R23
C21
MODE PLAY NEXT BACK
R11
D1
R4
C17C20
R6
R7
R16
R15
R14 R17
R1
R12
R10
C19
C4
C3
X1
C9
C7
L1
L2
C10
O2
R9
MUTE
U1
C1 C2 C5 C6 C8
EQ
Support multiple formats: MP3, WMA, WAV, FLAC.
First off it's a Micro USB connection for power, powered by DC 5V, or
if you want to solder your own power then you can take that route if
you like. Then connect headphones or active loudspeaker box or
amplifier to the audio output;
Open the Bluetooth function of your cell phone or other devices with
Bluetooth audio stream output support (such as laptops, tablet Pcs,
etc.) please first delete other bluetooth devices that had been
connected to your phone before on your phone (or the bluetooth
connection will be unstable), and then the phone will automatically
search and pair with the module, no pairing codes or button mashing
needed. After a successful connection, the phone will show that the
module Xpecial audio has been connected, while the LED blinks blue.
Audio output Micro USB 5V power
Bluetooth
antenna
USB TF card
NEXT: short press the “NEXT” button to play the next song, long press
the “NEXT” button to increase volume.
BACK: short press the “BACK” button to play the previous song, long
press the “BACK” button to decrease volume.
EQ: sound effect manager (only valid under USB or TF card playing
mode).
For connecting
external MIC
Audio output: for connecting headphones, active loudspeaker box or
amplifier (if yours is passive loudspeaker box, please connect
amplifier first).
Key Operation: