BT-A30蓝牙音频放大器 耳机放大器 音频分配器 Bluetooth Audio Receiving Preamplifier

接口及旋钮说明：

1、AUX IN立体声音频输入，3.5mm接口；

2、OUT立体声音频输出，RCA莲花接口；

3、电源接口，直流5-12V之间，接口规格5.5*2.1，内正外负，本机功耗约1w；

4、 3.5mm接口，可以驱动耳机；

5、 蓝牙开关，版本5.2,蓝牙名称：BT-A30；

6、VOLUME，音量旋钮，三组输出音量单独调节。

 本机功能：

 1、音频放大功能，增益20db(10倍），无压力驱动各种音响功放、高阻低阻耳机；

 2、音频分配功能，三组接口可同时输出，两组莲花接口，一个3.5mm耳机接口；

 3、音频混音功能，3.5mm接口输入跟蓝牙音频可同时工作，混合后输出； 收到货后包装袋中有蓝牙天线请安装好。

Interface and Knob Instructions:

AUX IN: Stereo audio input with a 3.5mm interface.

OUT: Stereo audio output with an RCA interface.

Power Interface: The input voltage is between 5V and 12V DC. The interface specification is 5.5 * 2.1, with the positive pole inside and the negative pole outside. The power consumption of this device is approximately 1W.

3.5mm jack: It can drive headphones.

Bluetooth Switch: Bluetooth version 5.2, and the Bluetooth name is BT-A30.

VOLUME: The volume knob that can adjust the volume of the three output channels separately.

Functions of This Device:

Audio Amplification Function: With a gain of 20dB (10 times), it can effortlessly drive various audio amplifiers and both high-impedance and low-impedance headphones.

Audio Distribution Function: Three sets of interfaces can output simultaneously, including two RCA interfaces and one 3.5mm headphone interface.

Audio Mixing Function: The audio input from the 3.5mm interface and the Bluetooth audio can work simultaneously and be output after mixing. Please install the Bluetooth antenna properly if it is in the packaging bag after receiving the goods.