The Knowles GD-31318-000 is a miniature receiver (speaker) designed for hearing aids and other small audio devices. Knowles is a leading manufacturer of micro-acoustic components, and this receiver is engineered for high fidelity sound reproduction in a compact form factor. It is known for its clear audio output and efficient energy consumption, critical for battery-powered applications.

Applications:

• Hearing aids: Primarily used in various types of hearing aids to deliver amplified sound to the user.
• In-ear monitors (IEMs): Can be found in some high-end IEMs where small size and high sound quality are required.
• Medical devices: Used in other medical devices requiring audio output, such as diagnostic tools.
• Communication devices: Implemented in specialized communication devices where a small, efficient speaker is needed.

Features:

• Miniature size: Designed for extremely compact devices, allowing for discreet integration.
• High sensitivity: Efficiently converts electrical signals into sound, maximizing battery life.
• Balanced armature design: Delivers clear and detailed audio reproduction.
• Durable construction: Built to withstand the rigors of daily use in portable devices.
• Low power consumption: Optimized for battery-powered applications.

Benefits:

• Improved hearing aid performance: Provides clear and natural sound amplification for hearing-impaired individuals.
• Enhanced audio quality in IEMs: Delivers detailed and accurate sound reproduction for music listening.
• Extended battery life: Low power consumption maximizes the operating time of portable devices.
• Increased device reliability: Robust construction ensures long-term performance and durability.
• Compact device design: Miniature size allows for smaller and more discreet device designs.

Additional Details:

The GD-31318-000 operates on a low voltage and impedance. It is designed to be mounted directly onto a PCB. It typically requires a specific acoustic coupling to achieve optimal performance. The specific frequency response will depend on the acoustic load and the device's enclosure. Refer to the Knowles datasheet for detailed specifications, including impedance, sensitivity, frequency response, and recommended operating conditions. Datasheets provide information on the electrical and mechanical characteristics and recommended soldering profiles for reliable assembly.