Bluetooth 4.2 MP3 Audio Receiver Board Module Type-C DIY Kit

Upgrade your DIY audio projects with this Bluetooth 4.2 Wireless MP3 Audio Receiver Board Module. Compact, versatile, and easy to integrate, this module delivers lossless, high-fidelity (HiFi) audio streaming over a stable Bluetooth 4.2 connection — perfect for custom speakers, car audio upgrades, amplifier builds, and more.

Available in multiple configurations (M18, M28, M38) with both Type-C and Micro USB input options, this board gives makers and electronics enthusiasts the flexibility to choose the right fit for their project.

Key Features

• Bluetooth 4.2 Wireless — Stable, low-latency audio streaming from any compatible device
• Lossless HiFi Audio Decoding — Crisp, clear sound reproduction with MP3 decoding support
• Type-C & Micro USB Options — Choose the connector that suits your build
• Wide Operating Temperature — Reliable performance from -40°C to +85°C
• 5V Power Supply — Compatible with standard USB power sources (5V 2A)
• SMD Package — Clean, compact PCB design ideal for integration into DIY enclosures
• Customizable — Supports bespoke configurations for maker and prototyping projects

Specifications

• Bluetooth Version: 4.2
• Supply Voltage: 5V
• Power Dissipation: 5V 2A
• Operating Temperature: -40°C to +85°C
• Package Type: SMD
• Application: Computer, DIY Audio, Amplifier Projects
• Condition: New

Available Configurations

• 1PCS M38 – Type-C
• 1PCS M38 – Micro USB
• 1PCS M28 – Micro USB
• 1PCS M28 – Type-C
• 1PCS M18

Perfect For

• DIY Bluetooth speaker builds
• Home audio amplifier retrofits
• Car audio wireless upgrades
• Electronics prototyping & maker projects
• Computer audio accessories

Whether you're a hobbyist maker or an experienced electronics engineer, this Bluetooth audio receiver board is an affordable, high-performance component to add wireless audio capability to virtually any project.

Explore more DIY project components and accessories in our store:

• Round Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire
• 4/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What is the Bluetooth 4.2 MP3 Audio Receiver Board Module used for?

A: This Bluetooth 4.2 MP3 Audio Receiver Board Module is designed for DIY audio projects. It allows you to add wireless Bluetooth audio streaming and lossless MP3 decoding to custom speakers, amplifiers, car stereos, and other electronics builds. It connects via Type-C or Micro USB and runs on a standard 5V power supply.

Q: What is the difference between the M18, M28, and M38 versions?

A: The M18, M28, and M38 designations refer to different board form factors and feature sets within the same product family. The M38 and M28 are available in both Type-C and Micro USB connector variants, while the M18 comes in a single configuration. Choose the version that best matches the physical space and connector requirements of your DIY project.

Q: What power supply does this Bluetooth audio receiver board require?

A: The board operates on a 5V supply at up to 2A — fully compatible with standard USB power adapters, power banks, or regulated bench power supplies commonly used in electronics prototyping.

Q: Is this module suitable for high-fidelity audio projects?

A: Yes. This module features lossless HiFi audio decoding via Bluetooth 4.2, making it well-suited for projects where audio quality matters, such as custom bookshelf speakers, Hi-Fi amplifier upgrades, or home audio retrofits.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.