Description
The Blackboard VHM-314 Bluetooth 5.0 MP3 Decoder Board is a dedicated audio processing module for makers and electronics enthusiasts. It combines a Bluetooth 5.0 transceiver with an integrated MP3 decoder, enabling wireless audio streaming from smartphones or direct playback of stored audio files. The board operates on a flexible 3.7V to 5V DC supply, typically delivered via its onboard Micro USB port, making it compatible with a wide range of power sources including USB chargers and battery packs.
Engineered for clear audio reproduction, the module features a high 90dB signal-to-noise ratio and minimal total harmonic distortion plus noise (THD+N) of -70dB. Its support for standard Bluetooth audio profiles like A2DP (Advanced Audio Distribution Profile) and HFP (Hands-Free Profile) ensures compatibility with most modern devices for both music streaming and voice call applications. The compact, single-board design is ready for integration into custom enclosures for portable speakers, automotive audio upgrades, or interactive art installations.
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