Feature

●Excellent Connection: Bluetooth 5.0 and SBC codec compatible. Easy to operate with your smartphone. USB-C connection: Connect to a computer and use it as a sound card
●The ZK-502M is a high power stereo Bluetooth audio module. Dual channel audio signal output Built-in amplifier module allows direct connection to speaker
●Dual channel stereo output, 3 working protection modes and 4 audio input modes. 3D restoration of live sound, integrated H-system music interpretation provides immersive and shocking sound effects
●Mobile P Visual Operation Play Mode: Volume Effect: Up and down song control playback pause playback mode
●The output power of the power supply should be larger than the output power of the power amplifier. Outputs your computer sound quality signal receiver speaker playback


Description

[Bluetooth 5.0 / USB-C Sound Card Input] [SBC Codec Compatible] Digital Power Amplifier Board 2 Channels / Sound Card Usable / AUX Audio Input / High Sound Quality DC 5-24V 50W + 50W Compact Lightweight Compact Audio Interface Lightweight

The output power of the power supply should be larger than the output power of the power amplifier. Better output than computer sound quality signal receiver speaker playback Power supply voltage: ZK-502M (higher voltage the higher output power is better)

Features:
4 Audio Input Modes
3 Working Protection Modes
Dual channel stereo output
APP Bluetooth Control
50W + 50W high power
Bluetooth automatically reconnect
Active/passive audio output

Specifications:
Product Name: Bluetooth 5.0 Amplifier Module
Product Number: ZK-502M
Operating voltage: DC 5-24V
Bluetooth version: BLE 5.0
Transmission distance: 15 meters (max)
Size:60*60*29MM
Channel: Dual channel stereo output
Output Impedance: 4 ohm - 16 ohm
Match Speaker: 10W -100W
Audio Output: Active/Passive Audio Output

Precautions for Use:
1. Use the power amplifier board as far as possible from the W signal (router).
2. Recommended power supply voltage is 5-12V / 24V, chip will burn out if exceed 28V.
3. It is recommended that the power current is higher than 2A.
4. Make sure the speaker cable is not too long and suitable for within 1 meter
5. Be careful of static electricity. Before touching the power amplifier board, you must first emit static electricity in your hand to avoid static damage to the chip. Chip is more sensitive to static electricity.

Package includes:
1 x Bluetooth Amplifier Module