IIVVERR 10mm Diameter Aluminum Housing 20V 40KHz Ultrasonic Transducer (Transductor ultrasónico de 10 mm con carcasa de aluminio de 20 mm y 40 VHz - - Amazon.com
Amazon.com: YaeCCC 60W 40KHz Ultrasonic Cleaning Transducer Cleaner + Power Driver Board 110V AC : Industrial & Scientific
Amazon.com: Ultrasonic Cleaner, Jewelry Cleaner with 40kHz Five Digital Timer 600ML Ultrasonic Jewelry Cleaner with Basket for Cleaning Eye Glasses, Rings,Watch,Coin,Silver… : Industrial & Scientific
IIVVERR Pair Aluminum Housing 20V 40KHz Ultrasonic Transducer Sensor 16mm (Par de aluminio con sensor de transductor ultrasónico de 20V 40KHz de 16 mm - - Amazon.com
IIVVERR 10mm Diameter Aluminum Housing 20V 40KHz Ultrasonic Transducer (Transductor ultrasónico de 10 mm con carcasa de aluminio de 20 mm y 40 VHz - - Amazon.com
JAMECO VALUEPRO 139492 40TR12B-R Ultrasonic Sensor Set 40 kHz Transmitter and Receiver: Electronic Component Sensors: Amazon.com: Industrial & Scientific
Litz Wire, 22 AWG Unserved Single Build, 40/38 Stranding, 8 oz Spool, Ideal for ~100 kHz Applications - - Amazon.com
3.5M 40KHz DC 5V Waterproof Ultrasonic Sensor Module Supersonic Range Distance Level Measurement Millimetre Detect for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: Pioneer DJ HDJ-X10-S - Closed-back Circumaural DJ Headphones with 50mm Drivers, with 5Hz-40kHz Frequency Range, Detachable Cable, and Carrying Case - Silver : Musical Instruments