Compact size and easy integration: 20.8 x 13.8 mm PCB component designed for simple incorporation into a wide range of projects, especially spaceconstrained applications. Simple output connection: Provides a straightforward, compatible output interface for seamless use with development platforms, including microcontrollers. Sensitive GY MAX4466 transducer: sensitivity sound pickup capable of detecting faint acoustic signals, suitable for various sound detection tasks. Builtin preamplifier: Integrated preamplifier boosts signal strength for clearer, more reliable sound output and precise detection. Use scenarios: Voiceactivated or wakeword sensing in compact smart devices or wearables, where space is limited and reliable audio input is essential. Environmental monitoring and security systems that require detection of subtle sounds, such as intrusion alerts or equipment anomaly cues. Robotic and microcontrollerbased projects that need realtime audio sensing for interaction, alerting, or control purposes.