Microphones with Ultrasonic Response
Knowles Ultrasonic MEMS mic SPU0410LR5H-QB mounted on a small PCB for easy connections Good usable ultrasonic response up to 80 kHz 3 wire connection20Hz to 10kHz +/- 2 dB10kHz to 80kHz +/- 10 dB For connection details and full specification please see the Knowles datasheet below: KNOWLES SPU0410LR5H-QB DATA SHEET
Knowles MEMS Microphone with good ultrasonic response 20Hz to 10KHz +/- 2 dB 10kHz to 80kHz +/- 10 dB Miniature surface mount device This microphone is now available pre-soldered to a small PCB for easier use, please see FC089 Ultrasonic Mic Board Knowles Data Sheet This is not an easy item to use, it is very small and you need to solder carefully.
A tiny high quality capsule only 6mm in diameter and 2mm deep. Signal to Noise ratio 74dB (Self Noise 20dBA) Sensitivity -32 dB (+/- 3dB at 1kHz, 0dB=1V/Pa) Operating Voltage 3 V (1.5-10 V) Useful Ultrasonic response Mono Module is available Primo suggests the EM258 as a possible replacement for the Panasonic WM-61A. Primo EM258 Data Sheet
A tiny (6 mm dia) high quality Primo EM258 capsule, wired as a complete working microphone module, ready to build into a housing or enclosure. Requires capsule and cable to be supported. These rubber holders fit the capsule: Primo 6mm holder and 6 mm Microphone Holder Good ultrasonic response Can be used with Rode VXLR+ Primo EM258 Data Sheet