AK1055C Bluetooth single-mode audio/dual-mode audio module

Single mode audio:

AK1055C V2.1 Bluetooth single-mode audio module is a single-mode audio module specially launched for Bluetooth speakers. The core board of the product development module uses AK1055C as the main control chip, which is matched with the Bluetooth radio frequency chip RDA5876. Realize the core functions of Bluetooth speaker products, including Bluetooth stereo playback, Bluetooth calls, line in playback, voice prompt status switching, etc. The normal communication distance of Bluetooth is 10 meters, and the maximum communication distance is 20 meters.

Built-in a 16M SPI FLASH

Class 2 power level

Comply with V2.1＋EDR Bluetooth specification

Support A2DP, AVRCP, HFP protocols

Bluetooth communication distance: there is no obstacle in the line of sight, the normal communication distance is 10m, and the maximum communication distance is 20m

Provide AIN button interface

Provide LED status indicator control interface

Support 16-bit ADC dual-channel Mic/Line-in input

2-way 22-bit DAC output high-quality audio output

Working voltage range: 3.4V~4.2V, support lithium battery and USB power supply

Bluetooth stereo playback

LINE_IN play

charging function

Dual Mode Audio:

AK1055C_BT_Module is a high-performance Bluetooth BLE dual-mode audio module for wireless stereo Bluetooth speakers. This module implements the core functions of Bluetooth speaker products, including Bluetooth communication, audio codec and system control. Because it supports the BLE data transparent transmission protocol, it can communicate with the IOS system for Bluetooth data. Therefore, this module can be used as a Bluetooth point reading pen, a Bluetooth handwriting point reading pen and other products that require data interaction control with the mobile phone APP. The normal communication distance of Bluetooth is 10M, and the maximum communication distance is 20M.

AK1055C_BT_Module integrates the main control chip AN1055C, Bluetooth chip RTL8761AT and crystal oscillator, etc., and provides a wealth of peripheral interfaces, including USB2.0 interface, headphone interface, microphone interface, AIN analog key interface, GPIO interface.

Built-in a 16M SPI FLASH

Class 2 power level

Comply with Bluetooth V4.0 specification and Bluetooth V2.1＋EDR specification

Support A2DP, AVRCP, HFP, SPP, ATT protocols

Bluetooth communication distance: there is no obstacle in the line of sight, the normal communication distance is 10m, and the maximum communication distance is 20m

Provide AIN button interface

Provide LED status indicator control interface

Support MIC and Line-in audio input interface

2-way 22-bit audio DAC

2-way 16-bit audio ADC

Built-in lithium battery charging circuit

Working voltage range: 3.4~4.2V, support lithium battery and USB power supply

Module size: 17.5mm*25.0mm

Support Bluetooth stereo playback, support EQ sound effect

Support Line-in audio playback

Support Bluetooth background connection, can perform speed dial and call answering operations

Support personalized voice prompts, such as caller ID, Bluetooth connection prompts, function mode prompts

Provide Ankai standard mobile APPS client (Android, iOS) and source code. The client can realize the following functions (mobile phone music playback, bluetooth speaker power display, bluetooth speaker volume control, EQ sound effect setting, support pop, rock, classical, soft, human voice and custom, etc., system information display (such as device name, software version, product serial number, etc.).

Support lithium battery power supply and support charging function.