Unleash the full potential of your audio projects with our versatile Bluetooth Audio Module, designed to cater to a broad range of applications from DIY audio receivers to high-end audio systems. This module seamlessly integrates with various devices, providing top-notch sound quality and wireless convenience. Key Features: - **Multiple Model Compatibility:** Supports models M18, M28, M38, ensuring flexible integration with different audio systems. - **MICRO Power Supply:** Features a MICRO USB power supply option for easy and convenient power access. It is compatible with both USB power and lithium battery power sources, supporting 5V/3.7V-4.2V inputs. - **Built-in Amplifier:** Equipped with a built-in amplifier (5W+5W), enhancing the audio output without the need for external amplification. - **Audio Input Versatility:** Offers support for USB sound cards and free drive, allowing for a wide range of audio input options. - **Advanced Bluetooth Connectivity:** Supports Bluetooth version 4.2 with protocols HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, and AVDTPV1.2 for superior wireless audio transmission. - **High-Quality Sound Formats:** Compatible with WAV/WMA/FLAC/APE/MP3 formats, providing lossless decoding and stereo two-channel output for a rich audio experience. - **Efficient Energy Consumption:** Features low energy states including not connected (5.5MA), connected work state (20MA), and deep sleep (3UA), ensuring long-lasting battery life. - **Extended Transmission Range:** Offers a transmission distance of 20 meters in open spaces, making it ideal for various setups and applications. Specifications: - Power Supply: MICRO USB 5V or 3.7V-4.2V lithium battery - Amplification Power: 5W+5W - Bluetooth Version: 4.2 - Supported Protocols: HFPV1.7, A2DPV1.2, AVRCPV1.5, AVCTPV1.2, AVDTPV1.2 - Supported Formats: WAV/WMA/FLAC/APE/MP3 - Operating Temperature: -40°C to +85°C - Sensitivity: -87dbm Package Includes: - 1 x Bluetooth Audio Module Whether you're creating a DIY Bluetooth audio receiver, upgrading your car stereo, or building a high-end audio system, this module offers the reliability, quality, and flexibility you need. Enjoy effortless wireless connectivity and exceptional sound quality with our Bluetooth Audio Module. - **Versatile Integration:** Seamlessly compatible with models M18, M28, M38, the module can be effortlessly integrated into a variety of audio systems, from DIY projects to professional setups, ensuring wide application scope. - **Convenient Power Options:** Equipped with a MICRO USB power supply, along with support for both USB and lithium battery power sources (5V or 3.7V-4.2V), offering flexibility and ease of use in different environments. - **Enhanced Audio Experience:** Features a built-in 5W+5W amplifier and supports high-quality sound formats like WAV, WMA, FLAC, APE, and MP3 for lossless decoding and superior stereo output, delivering an immersive listening experience. - **Advanced Bluetooth Technology:** Utilizes Bluetooth 4.2 with support for various protocols (HFPV1.7, A2DPV1.2, etc.), enabling efficient and high-quality audio transmission over distances of up to 20 meters in open spaces. - **Energy Efficient:** Designed for low energy consumption with states like not connected (5.5MA), connected work state (20MA), and deep sleep (3UA), ensuring extended battery life for long-lasting performance.