Product Specifications
Product Description
Specifications:
Nominal size: 57mm (2.25 in)
Impedance: 8 Ohms ± 15% at 800Hz 1V
Resonant frequency 450 Hz ± 90Hz at 1V
Sound pressure level 88 dB/w ± 3 dB 0.25W 50cm ave. at 0.8K, 1.0K, 1.2K, 1.5K Hz
Response Fo Hz~ 13KHz max 10dB
Input power nominal: 0.25W, handling capacity: 0.5W
Operation must be normal at program source: 0.25W
Buzz, rattle and more, must be normal at sine wave: 1.41V
Magnet size: 13 x 10mm
Load test white noise: 0.25 W for 5 hours
Heat test: 70 ± 2°C 20-50% R.H. 5 hours
Humidity test: 40 ± 2°C 90-95% R.H. 5 hours
RYD, Changzhou Runyuda Electronics Co., Ltd. Is one of the world's leading manufacturers of acoustic components. We supply a full range of polyphonic speakers, miniature receivers, multi-function devices, loudspeakers, transducers, buzzers, microphones and headsets for various industries.
Runyuda Electronics is a QS9000, ISO9001 and ISO14001 certified manufacturer in China. We have partnered with many well-known brands to produce quality acoustic components for their mobile phones, computers, cars, medical instruments, hearring aids, cordless phones, MP3 players, game consoles and many other consumer devices.