DIY - Bluetooth Mp3 Amplifier Circuit 4.1 - Decoder Board [HW-770] - HiFi Audio [High Quality]

DIY Bluetooth MP3 Amplifier Decoder Board 4.1 (HW-770) - HiFi Audio Module

Unleash high-quality audio in your DIY projects with the HW-770 Bluetooth MP3 Amplifier Decoder Board 4.1. This compact circuit board integrates both Bluetooth audio reception and a powerful amplifier. It offers versatile connectivity, supporting both wireless Bluetooth and wired AUX input options. Designed for simplicity, it's an essential component for various audio sound projects and simple applications. Powering the board is straightforward, either through a convenient micro USB port or a dedicated battery terminal. Experience clear, robust HiFi audio performance in a small footprint. This module is perfect for hobbyists and makers looking to add advanced audio capabilities. Its robust design ensures reliable operation for all your custom builds.

Specifications:

• Model: Bluetooth Amplifier Circuit board 4.1
• Type: Audio Applications
• Dimensions: 3.0 cm (Width) x 3.0 cm (Length) x 7 mm (Height)
• Operating Voltage: 3.7V ~ 5V DC
• Signal-to-Noise Ratio (SNR): 90dB
• Dynamic Noise Reduction (DNR): 91dB
• Supported Profiles: A2DP / AVCTP / AVDTP / AVRCP / HFP
• Crosstalk: -86dB
• Maximum Wireless Range: 15 meters

Key features and benefits:

• Integrated Bluetooth 4.1 audio receiver
• Built-in high-quality audio amplifier
• Dual audio input: Bluetooth wireless & AUX wired
• Compact and space-saving design (3x3 cm)
• Flexible power options: Micro USB or battery (3.7-5V DC)
• High Signal-to-Noise Ratio (SNR 90dB) for clear sound
• Supports A2DP, AVCTP, AVDTP, AVRCP, HFP profiles
• Ideal for DIY audio projects and custom sound systems

Applications:

• Portable Bluetooth speakers
• Custom home audio systems
• DIY sound boxes and enclosures
• Educational electronics projects
• Upgrading existing audio devices with Bluetooth
• Robotics and IoT audio integration

Package Includes:

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