Whether you're building a portable audio player, an interactive sound installation, or a DIY speaker system, the MusicPi Audio Expansion Board takes your Raspberry Pi Pico to the next level by adding professional-grade audio features.
What is the MusicPi Audio Expansion Board?
The MusicPi Audio Expansion Board is a compact, feature-rich expansion designed to integrate seamlessly with the Raspberry Pi Pico 2. It enhances the Pico’s audio capabilities, enabling you to play, amplify, and output high-quality sound for your projects.
At the heart of the MusicPi is the PCM5100A 2VRMS DirectPath™ stereo DAC and the PAM8908JER stereo headphone amplifier, both of which contribute to the board's superior audio output. It also offers versatile audio output options, including headphone amplification, line-level outputs, and speaker output, making it adaptable for a wide variety of audio projects.
Key Features and Technical Specifications:
- High-Quality Stereo DAC (PCM5100A):
- PCM5100A 2VRMS DirectPath™ Stereo DAC
- 32-bit audio resolution with up to 384kHz sampling rate
- Low distortion and noise for high-fidelity audio
- DirectPath™ technology for improved power efficiency
- Amplification for Headphones and Speakers:
- PAM8908JER Stereo Headphone Amplifier
- Amplifies audio for high-efficiency headphones
- Delivers clear, loud audio through a 3.5mm headphone jack
- 3W Mono Class D Audio Amplifier (NS4150)
- Delivers up to 3W output per channel for driving small speakers
- Efficient Class D design reduces heat and power consumption
- Versatile Audio Outputs:
- Amplified Headphone Output for high-quality audio via 3.5mm jack
- Unamplified Line-Level Output for external amplifiers or audio systems
- 3W Speaker Output for small DIY audio systems
- EMI Reduction and Clean Audio:
- Built-in Enhanced Emission Elimination (EEA) technology
- Reduces Electromagnetic Interference (EMI) for cleaner, distortion-free sound
- Expandable Storage and Customization:
- MicroSD Card Slot for storing large audio files and project data
- 3 Programmable Buttons for custom actions like volume control or track skip
- GPIO Pin Expansion for connecting additional peripherals
- Power Supply and Connectivity:
- Powered via Pico or USB-C for flexible power options
- Low Power Consumption: Efficient enough for battery-powered projects
Get Your MusicPi Audio Expansion Board Now!
The MusicPi Audio Expansion Board extends the audio capabilities of the Raspberry Pi Pico, making it ideal for a wide range of audio-centric projects. With its high-quality DAC, multiple output options, and customization features, it’s the perfect choice for anyone looking to add professional audio features to their Pico-based projects.
