Product Name: Bluetooth Audio Amplifier with DAC

SPECIFICATION
■ Audio Inputs : Bluetooth Receiver / stereo; audio line level / Toslink
■ Bluetooth Version：Bluetooth v4.2 compliant with aptX
■ Bluetooth Receive Distance：20 Meters
■ Power Amplifier Type：Stereo Class-D
■ Output power：24W(rms) per channel (@ RL=4 ohm)
■ THD+N : 0.1 % (@ RL=4 ohm, f = 1 kHz)
■ Power Source：24 VDC / 3A
■ Minimum Load Resistance ：4 ohm
■ Instruction manual：

• Includes Speaker Protection circuit.
• 3 min link-lost timeout function. Bluetooth 
• Automatically switch to paring state if reconnecting fail.
• Audio priority: BT > Line In.

OPERATION

1. Connect cables as the schematic diagram in section 4.
2. Switch volume control to power on.
3. BT status LED quick blinking waitting for connection.
4. Connect the“Music BT”from phones bluetooth. BT status goes to slow blinking when connecting done.
5. Line in and BT are auto switch, the priority is BT first when playing.
6. Switch to SPDIF when using digital input.

DESCRIPTION
People can can enjoy their music by:

1. Streaming the music from smartphone,
2. Using Alexa smart speaker to manage the audio and connect to this device
3. Using Google Home mini smart speaker to manage the audio and connect to this device
4. Hook-up the audio source by Toslink, Coaxial and 3.5mm phone jack