Dimensions Notes

Connection
POWER
Power Adapter Connector:
· J7 DC Jack ID 2.1mm x OD 5.5mm
Inner
Outer
Power Supply Range: DC12V-24V
MODE
The OEM-05146 can be cascaded with another OEM-05146 amplifier board. The recommended maximum cascading number of boards is 3pcs
on account of audio performance.
Therefore, it supports master mode and slave mode, which is recognized by the inserting of the 3.5mm line input cable.
Master Mode (The 3.5mm line input cable not inserted)
When in master mode, Bluetooth is used as the audio input method to receive audio from connected device.
Slave Mode (The 3.5mm line input cable inserted)
Once the 3.5mm line input cable is inserted (J3), the Bluetooth will be disabled and the amplifier board will enter into slave mode and receiving audio
signal from the OEM-05146 in master mode.
INPUT
Bluetooth Input
The Bluetooth connectivity range is 10m with the antenna. It is suggested to connect the antenna for stable connection and longer range.
Microphone Input
· J8 PH-2mm-4Pos-Connector
This is a built-in Microphone module of the Bluetooth for making or answering the phone calls.
Line Input
· J3 3.5mm Jack
Line input is used in slave mode as audio input.
OUTPUT
Speaker Output
· J1 PH-2mm-4Pos-Connector
Pin
Definition
Pin
Definition
1
OUT1-
3
OUT2-
2
OUT1+
4
OUT2+
Cascade Output
· J4 3.5mm Jack
J4 is used to output audio to cascaded amplifier
boards. It cannot be connected with speakers.
High/Low Level Voltage Output
· J12 PH-2mm-2Pos-Connector
INDICATORS
Bluetooth Connection Indicator
· J13 PH-2mm-2Pos-Connector
Pin
Definition
1
STATUS
2
GND
Microphone Mute Indicator
· J10 PH-2mm-2Pos-Connector
Pin
Definition
1
MUTE IND
2
GND
·
CONTROL
Microphone Mute
· J11 PH-2mm-2Pos-Connector
Pin
Definition
1
MIC MUTE
2
GND
AMP Power OFF
· J9 PH-2mm-3Pos-Connector
Pin
Definition
1
+5V
2
PWR CYC
When the Bluetooth is connected, J12 will
provide high level output voltage.
When the Bluetooth is connected, J12 will
provide low level output voltage.
Indicators State:
www.wondom.com
By Sure Electronics
Make Your Audio Application Simple!
NO.9, Weidi Road, Xianlin University City, Qixia District,
Nanjing, Jiangsu Province, P.R.C
store.sure-electronics.com
E
mail: [e-mail]
Skype: sureelectronics
Pin
Definition
Pin
Definition
1
MIC1
3
MIC2
2
GND
4
GND
Pin
Definition
1
SIG
2
GND
Indicator
State
Bluetooth
Connection
Microphone
Mute
ON
Connected
Mute
OFF
Disconnected
Unmute