SPP Bluetooth Audio Module, Bluetooth 5.0 Analog Audio Receiver, Dual-Mode UART Transparent Transmission

1. Product Overview

The RHA-BT301M is a versatile and high-performance Bluetooth 5.0 dual-mode module from IOTRHA, offering both audio and data transmission capabilities. This module integrates BLE, SPP, and audio functions, supporting low-latency audio streaming and TWS (True Wireless Stereo). With comprehensive protocol support including BLE, SPP, AVRCP, and I2S, it is ideal for applications ranging from smart home devices to portable audio systems. Its easy configuration via UART and AT commands allows for flexible integration into various projects, providing high-quality audio experiences.

2.Key Selling Points

• Bluetooth 5.0 Dual Mode:Supports audio and data transmission via SPP, BLE, HFP, and A2DP protocols.
• Low Latency Audio:Direct connection to mobile phones with support for TWS, stereo, and left/right channel separation.
• Multi-Protocol Compatibility:Includes support for SPP, HID, AVRCP, A2DP, HFP, and PBAP profiles.
• Versatile Audio Interfaces:Works with AUX analog audio, USB flash drive, and TF card for multiple input options.
• Compact Design:Measures only 27x13x2mm, perfect for space-constrained applications in audio and automotive systems.

3.Product Features:

• Dual-Mode Bluetooth 5.0 for Audio and Data:RHA-BT301M supports a wide range of Bluetooth protocols, including SPP, HID, A2DP, and AVRCP, ensuring compatibility with both audio and data applications. Whether for automotive DSP sound systems or Bluetooth speakers, this module delivers high-quality performance.
• Low Latency and TWS Support:Enjoy smooth, low-latency audio streaming with direct mobile phone connection and True Wireless Stereo (TWS) functionality. Perfect for applications that require high-fidelity audio.
• Multiple Audio Interfaces:Equipped with AUX analog audio, I2S, PCM, SPDIF, HDMI, and USB interfaces, the module offers flexibility for integrating various audio sources such as USB flash drives and TF cards.

4.Application Scenarios:

Bluetooth Audio Receiver Mode: Use with HFP/A2DP/AVRCP profiles to make calls or listen to music, perfect for automotive central control systems and home audio devices.

TWS Stereo Mode: Supports stereo sound with left and right channel separation, allowing for a seamless audio experience in Bluetooth speakers and headsets.

5.Compatible Applications:

Automotive DSP/DSD Sound Systems: Integrate the module into car audio systems for enhanced sound quality.

Bluetooth Speakers: Stream high-fidelity audio wirelessly with support for TWS and stereo sound.

Bluetooth Headsets: Enables smooth, low-latency wireless audio for music and calls.

Bluetooth Receivers and USB Sound Cards: Use as a Bluetooth receiver for audio devices or in Bluetooth-enabled USB sound cards for PCs and other devices.

6. Technical Specifications

7.Why Choose Us