Audio Amplifier Board kit

12V Best Mini Audio 功放板，用於雙向音頻語音通信無線視頻音頻鏈路

功能:

The main function of the audio power amplifier board is to amplify the output and input voice signals with the wireless IP ethernet transmission and volume adjustment function

This is an Audio power amplifier board. Our wireless video and audio data link TX900, has an Audio interface, which can realize two-way voice intercom, but its voice is very small and needs to be amplified by a voice power amplifier board. , the received voice is amplified through the amplifying board to enhance the sound, which can be passed to the microphone and speaker of the intercom headset.

板尺寸: 45*30毫米

Fixing hole: 3.2毫米

Interface Description

power interface	引腳1	引腳2
Molex436500200	電壓控制電路	GND

Connection Instructions: Connect to Power

電壓控制電路: Positive terminal of power interface, 輸入: 6.5-18V

GND: Negative terminal of power interface

voice input interface	引腳1	引腳2	引腳3	引腳 4
Molex0022057045	MIC	GND	GND	Audio_out

Connection instructions: Connect to Wireless IP Ethernet Video Audio Data Transmission’s Audio Interface

MIC: microphone input

GND: 電源地

Audio_out: Voice output interface

Volume adjustment interface	引腳1	引腳2	引腳3	引腳 4	引腳5
Molex0022057055	RL	V0	默認為 NTSC	SW1	SW2

Connection Instructions: Connect to Volume Adjustment Knob Switch

RL: Knob resistor fixed end

V0: Knob resistor tap end; internally connected to RH.

默認為 NTSC: The other end of the knob resistor is fixed; it is internally connected to V0.

SW1: one end of the knob switch

SW2: The other end of the rotary switch

voice output	引腳1	引腳2	引腳3	引腳 4	引腳5	引腳6
Molex0022057065	PPT-	PTT+	MIC	GND	SPK-	SPK+

Connection instructions: Connect to the hand microphone

PTT-: Negative terminal of a button, internally connected to ground.

PTT+: Button positive end

MIC: voice microphone input

GND: 電源地

SPK-: speaker positive end

SPK+: speaker negative terminal

This 12V Best mini audio amplifier board can provide an efficient and noise-free technical guarantee for your two-way voice communication.