MH-M38 Bluetooth Audio Receiver with Amplifier 2x5W - (AD56809)

Description:

This MH-M38 Bluetooth audio receiver with 2x5W amplifier is a simple Bluetooth module that can be used to play audio via Bluetooth from, for example, a laptop or phone. This MH-M38 product is a low-power Bluetooth design solution that supports the latest Bluetooth 4.2 transmission and 2-channel lossless stereo playback. Once the module is connected to Bluetooth, it can quickly achieve Bluetooth wireless transmission, which is very convenient. In an open environment, the Bluetooth connection distance can reach 20 meters.

Power supply: It can be powered directly by the 5V Micro-USB Android cable, or it can be connected to a 5V power supply or a 3.7V lithium battery. Please note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.

Audio output: headphones can be connected to the JST connectors (included) on the board (the L / R / AGND interface can be connected directly).

Specifications:

- Bluetooth version: Bluetooth V4.2

- Bluetooth protocol support: HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2

- Operating voltage: 5V / 3.7V - 4.2V

- Connection working status: 20 mA

- Operating temperature: -40°C to + 85°C

Pin definition:

- 5V: positive 5V power

- GND: negative power supply

- VBAT: positive 3.7 - 4.2V lithium battery

- L: left channel output

- R: right channel output

- AGND: audio ground