The Knowles ED-30003-000 is a miniature microphone designed for use in hearing aids and other compact audio recording devices. Knowles is a recognized leader in micro-acoustic solutions, and this microphone is engineered for high sensitivity and low noise in a small package. It is designed to capture sound accurately and efficiently, making it ideal for applications where clear audio is essential.

Applications:

• Hearing aids: Used extensively in hearing aids to capture ambient sound for amplification.
• Wireless earbuds: Employed in earbuds for voice communication and ambient sound monitoring.
• Mobile phones: Used in some mobile phones as a secondary microphone for noise cancellation or voice recording.
• Voice recorders: Integrated into portable voice recorders for capturing audio notes and dictation.

Features:

• Miniature size: Allows for integration into very small devices.
• High sensitivity: Captures even faint sounds with good clarity.
• Low noise: Minimizes background noise for clear audio recordings.
• Omnidirectional polar pattern: Captures sound from all directions equally.
• Low power consumption: Suitable for battery-powered devices.

Benefits:

• Improved hearing aid clarity: Provides clear and accurate sound capture for effective amplification.
• Enhanced voice communication: Improves the clarity of voice calls in noisy environments.
• High-quality audio recordings: Enables clear and detailed audio capture for voice notes and dictation.
• Extended battery life: Low power consumption maximizes the operating time of portable devices.
• Discreet device design: Miniature size allows for smaller and less noticeable devices.

Additional Details:

The ED-30003-000 microphone operates on a low voltage and is typically surface-mounted onto a PCB. It requires careful handling to avoid damage during assembly. Refer to the Knowles datasheet for detailed specifications, including sensitivity, signal-to-noise ratio, frequency response, and recommended operating conditions. The datasheet provides mechanical dimensions, electrical characteristics, and soldering guidelines for proper integration. It is crucial to follow these guidelines to ensure optimal performance and reliability.