Description
The Raspberry Pi X400 Multifunctional Audio Expansion Board V3.0 represents a significant update, incorporating extensive customer feedback to deliver enhanced audio performance for your Raspberry Pi 3 Model B+ and 3B systems. This board is engineered to transform your Raspberry Pi into a high-fidelity audio player or an embedded sound system, leveraging its audiophile-grade components for superior sound reproduction.
At its core, the X400 V3.0 features a Texas Instruments Burr-Brown PCM5122 32-bit/384kHz DAC, ensuring exceptional audio clarity with a 112dB SNR and minimal THD. It integrates a powerful TI TPA3118D2 Class-D stereo amplifier capable of driving 4-Ohm or higher impedance speakers with up to 2x30W output at 24Vdc. Additionally, a dedicated TI TPA6133A headphone amplifier provides a robust 142mW output into 16Ω, making it ideal for both speaker-based and personal listening setups. The board also offers flexible power control with an optional external power switch port.
This expansion board is designed for seamless integration with your Raspberry Pi, utilizing the I2S interface for digital audio transmission up to 24-bit/192kHz. Its robust power management, including Texas Instruments ultra-low-noise voltage regulators, ensures a clean power supply for sensitive audio components, contributing to the board’s class-leading audio performance.
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