Dynamic Receivers

Knowles' dynamic receivers are designed to maximize space efficiency and audio performance in small, slim, consumer devices

Image of Knowles' Dynamic ReceiversKnowles' dynamic receivers, also known as ear-piece speakers, are designed to maximize space efficiency and audio performance in small, slim, consumer devices, such as mobile handsets or smartphones.

Knowles' dynamic receivers are available for narrow- or wide-band applications in various sizes and performance levels, which can be finely tuned to meet your specific requirements. Dedicated support is provided to realize the optimal sound performance in your application.

To assure highest quality standards, the receivers are manufactured in a process that uses 100% in-line measurement of all specified acoustical and electrical parameters.

Available in Tape and Reel (-2-ND), Cut Tape (-1-ND), and custom Digi-Reel® (-6-ND).

Features Applications
  • High quality and robustness
  • Maximized space efficiency
  • Excellent audio performance-to-size ratio
  • Optimized for use in mobile devices
  • Optional Hearing Aid Compatibility (HAC)
  • Dedicated application support
  • Hearing aids
  • Headsets
  • Headphones
  • Handsets
  • Smartphones
  • Noise-sensing applications

Dynamic Receivers

ImageManufacturer Part NumberDescriptionFrequency RangeImpedanceAvailable Quantity
RECEIVER NF SPEAKER PETRA2403 260 00031RECEIVER NF SPEAKER PETRA100Hz ~ 10kHz32 Ohm36519 - Immediate
2403 260 00031 product page link
RECEIVER NF SPEAKER - LEAN2403 260 00051RECEIVER NF SPEAKER - LEAN160Hz ~ 10kHz32 Ohm5863 - Immediate
2403 260 00051 product page link
RECEIVER - JULIA HAC2403 263 00052RECEIVER - JULIA HAC400Hz ~ 4kHz16 Ohm2080 - Immediate
2403 263 00052 product page link
RECEIVER - NITH2403 263 00092RECEIVER - NITH100Hz ~ 20kHz32 Ohm3491 - Immediate
2403 263 00092 product page link
RECEIVER NF SPEAKER - M-STOUT2403 260 00041RECEIVER NF SPEAKER - M-STOUT300Hz ~ 6.5kHz32 Ohm1272 - Immediate
2403 260 00041 product page link
RECEIVER NF SPEAKER - FRANKLIN2403 260 00087RECEIVER NF SPEAKER - FRANKLIN160Hz ~ 6.5kHz32 Ohm728 - Immediate
2403 260 00087 product page link
Published: 2013-12-09