Audio Input Amplifier Board, Amplifier Board, for Audio Speaker Audio Parts Speaker Use

Description

• Can be modified for external power amplifier (from the 3P block OUT audio output external).
• Hands-free calling and external buttons.
• Micro wave power switch control.
• It adopts 5.0 DC3.7V-5V power supply, and undergoes secondary development processing through peripheral hardware. The maximum power can be configured to 10W (5W*2).
• Power supply: DC voltage (3.7-5V). The current should be 1.5A-2A or higher.

1. It adopts 5.0 DC3.7V-5V power supply, and undergoes secondary development processing through peripheral hardware. The maximum power can be configured to 10W (5W*2).
2. Can be modified for external power amplifier (from the 3P block OUT audio output external).
3. Micro wave power switch control.
4. Hands-free calling and external buttons.
5. Power supply: DC voltage (3.7-5V). The current should be 1.5A-2A or higher.

Spec:
Features:
It adopts 5.0 DC3.7V-5V power supply, and undergoes secondary development processing through peripheral hardware. The maximum power can be configured to 10W (5W*2).
Can be modified for external power amplifier (from the 3P block OUT audio output external).
Micro wave power switch control.
Hands-free calling and external buttons.
Power supply: DC voltage (3.7-5V). The current should be 1.5A-2A or higher.
USB is the charging input (the lithium battery can be charged from here when it is plugged into the red power socket; the red light is on when charging; the red light is not lit when the battery is fully charged).
Specification:
Material: PCB
: 5.0
Voltage: 3.7V-5V
Current: 1.5A-2A
PCBA size: approx. 40 * 34 * 9cm / 15.75 * 13.39 * 3.54in (including terminal)
Package Weight: approx. 40 g
Package list:
1 * Power Amplifier Board
1 * Cable
Selection Criteria:
1. Power requirements: voltage DC DC voltage 3.7V-5V, voltage can not be higher than 5V; current 1.5A-2A; (specially reminded that if using 3.7V lithium battery, please ensure that lithium battery and discharge can 1.5A, some lithium battery has voltage but current is not Please use with caution if it is stable or does not meet the requirements; otherwise it will always restart or the sound quality is not good, such as broken sound/distortion.
Speaker requirements:
(Satellite) left and right channel sub-box speaker: select 4 ohm ()/5W*2 full-range speaker (special reminder if you use 3.7V lithium

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