The transducers' resonator has a funnel shape to transmit ultrasonic waves.
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400ST/R160 Air Ultrasonic Ceramic Transducers Pro-Wave Electronics 400ST/R160 Air Ultrasonic Ceramic Transducers are suitable for continual wave driving, such as Doppler motion detectors. This special construction is vibration-free and provides high sensitivity, a wider bandwidth, and excellent durability in wide temperature and humidity ranges.
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1 pcs : CVS-2308 - Speakers & Transducers speaker, 23 mm round, 8.4 mm deep, mylar, w/ case, 100 mW, 8 ohm, 1.5 kHz, PCB mount.
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CDS Micro Speakers CUI Devices CDS micro speakers provide accurate reproduction of voice, music, and various other audio signals.
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ASX Audio Sound eXciters PUI Audio ASX Audio Sound eXciters are compact audio emitters designed to add audio to almost any application, without significant redesign, and without the challenges of convensional speakers.
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SPKM Dynamic Audio Miniature Speakers Taoglas SPKM Dynamic Audio Miniature Speakers feature 8Ω impedance and are engineered for use in electronic and IoT devices. Taoglas SPKM Dynamic Audio Miniature Speakers have 32AWG or 30AWG wire lead cables and are RoHS and REACH compliant.
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SPEAKER, FR 10 WP, 4 OHMS Transducer Function: Speaker Power Rating RMS: 30W Impedance: 4ohm Resonant Frequency: 120Hz Frequency Response Min: 80Hz Frequency Response Max: 16000Hz SVHC: No SVHC (15-Jan-2018) External Depth: 132mm External Diameter: 132mm External Height: 56mm External Length / Height: 56mm Sound Level SPL: 85dB
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