| | 1 Or 6 Sound Tone Loudspeaker Horn for 115db Siren | ASS80A | 80mm | | | | 600/1200mA Max | |
| | Waterproof Security Alarm 108db 6 Tone Car Alarm Siren Car Alarm | ASP75A | 75mm | | 2.6kHz | | 150mA Max | |
| | DC 6V 12V Electronic Siren Car Warning Alarm Police Fire Siren Speaker 30w | ASS200A | 200mm | | | | 600/800/1200mA Max | |
| | Black 10w Motorcycle Police Siren | ASP59A | 59mm | | 4.3kHz | | 120mA Max | |
| | Alarm Siren DC 105dB Piezo Buzzer 24V 220V | ASP58A | 58mm | | 2.6kHz | | 120mA Max | |
| | 100KHz High Frequency Ultrasonic Sensor Transducer | MSW-A40100H17TR--W | 40*17mm | | | | | |
| | 175kHz high frequency Ultrasonic Transducers with MSW-A | MSW-A27175H13TR--W | 27*3.5MM | | | | | |
| | 200kHz High Frequency Waterproof Ultrasonic Sensor | MSW-A18200H10TR | 18.5*10.5MM | | | | | |
| | 400khz high frequency ultrasonic printer sensor | MSW-A11400H11TR | 11 * 11MM | | | | | |
| | 10mm 300khz High Frequency Ultrasonic Sensor Transducer | MSW-A10300H07TR | 10*7MM | | | | | |
| | 12v 70db Mechanical Buzzer with Pin | MSMX23A | 23 * 14mm | 12VDC | 400±100Hz | ≥75dB@10cm | ≤25mA | 8~15VDC |
| | 6V 400Hz Low Frequency Single Tone Mechanical Buzzer | MSMX40A | 26 * 19.5mm | 6VDC | 400±100Hz | ≥95dB@10cm | ≤65mA | 4~8VDC |
| | 12V 250mA Mechanical Buzzer Sound Alarm Signal Geber | MSMX50X10S | 27.2 * 16.1mm | 12VAC | 100±20Hz | ≥90dB@10cm | ≤250mA | 8-16VAC |
| | 3V 6V 9V 12V 24V 85dB Mechanical Buzzer For Mouse Repeller | MSMX26A | 26 * 17.7mm | 12VDC | 400±100Hz | ≥75dB@20cm | ≤30mA | 8~15VDC |
| | 400hz 1.5v 20mA Mechanical Buzzer for Rat Control Device | MSMX33A | 23 * 17MM | 1.5VDC | 400±100Hz | ≥70dB@20cm | ≤20mA | 1.3~2VDC |
| | 23mm 80dB 110v Mechanical Piezo Buzzer for Food Machine | MSMX23B | 22.8*17.8mm | 120VDC | 50±12Hz | ≥80dB@10cm | ≤40mA | |
| | 125KHz High Frequency Ultrasonic Liquid Level Sensor | MSW-P25125H25TR--W | 25*25MM | | | | | |
| | 200khz High Frequency Ultrasonic Range Finder Sensor | MSW-A12200H19TR--W | 20*12MM | | | | | |
| | 42MM Siren Sound Piezo Buzzer | MSPS42BW150V12ST | 41.7 * 18.0mm | 12VDC | 3500±500Hz | ≥90dB@10cm | ≤25mA | 5~18VDC |
| | 1.5V 80dB 85dB Separate PCB Magnetic Buzzer | MSES12D | 12 * 8.5mm | 1.5VDC | 2048±500Hz | ≥85dB@10cm | ≤30mA | 1~2VDC |
| | 3V 5V 2.5khz 85dB Magnetic Buzzer Used For Door Bell Security | MSES12C | 12 * 9.5mm | 5VDC | 2500±200Hz | ≥85dB@10cm | ≤30mA | 4~8VDC |
| | 40khz Open Ultrasonic Sensors Transmitter And Receiver | MSO-A1240H09TR | 12 * 9mm | | | ≥115dB | | |
| | Sensor 40khz Piezoelectric Ultrasonic Transducer for UAV | MSO-P1640H12T | 16 * 12mm | | | ≥115dB | | |
| | The New Tap 20khz Ultrasonic Jammers Sensor | MSO-A1620H12T | 16*12mm | | | ≥110dB | | |
| | 25khz 24mm Transmitter Ultrasonic Sensor with Pins for Jammer | MSO-A2425H14T | 25*14mm | | | ≥112dB | | |
| | 40khz Plastic Case Ultrasonic Transducer Long Distance Sensor | MSO-P1040H07T | 10 * 7mm | | | ≥115dB | | |
| | 16mm Underwater Ultrasonic Transducer 40khz Generator | MSO-P1640H12R | 16*12mm | | | | | |
| | 20khz 24mm Jammers Ultrasonic Sensor | MSO-A2420H14T | 24*14mm | | | ≥110dB | | |
| | 40khz Distance Ultrasonic Sensors Transmitter | MSO-A2440H14T | 24 * 14mm | | | ≥115dB | | |
| | 16mm Dog Repellent Ultrasonic Transducer 25khz Detect Sensor | MSO-A1625H12T | 16*25mm | | | ≥115dB | | |
| | Transmitter And Receiver Open Type Ultrasonic Probe Black Sensor | MSO-P1040H07TR | 10 * 7mm | | | ≥115dB | | |
| | Ultrasonic Sensor / Probe For Drone Transmit | MSO-A1240H09T | 12*9mm | | | ≥115dB | | |
| | 114db 40KHz Ultrasonic Piezoelectric Transducer Ultrasonic Sensor | MSO-AT1640H10R | 16 * 10mm | | | ≥110dB | | |
| | 16 * 10MM Aluminum Case Ultrasonic Transmitter Sensor for Acoustic Levitator | MSO-A1640H10T | 16 * 10mm | | | ≥110dB | | |
| | 16mm Ultrasonic Sensor Ultrasonic Transducer With Led Aluminum Ultrasonic Sensor | HC-SR04GL | 45*20*15mm | | | | | |
| | 40khz Open Type Ultrasonic Sensors Transmitter And Receiver | MSO-A1640H12TR | 16 * 12mm | | | ≥115dB | | |
| | 10mm 40kHz Ultrasonic Sensor for Measuring Distance | MSO-A1040H07T | 10*7mm | | | ≥115dB | | |
| | 16mm*10mm 40kHz Ultrasonic Sensor for TR Transmitting And Receiving | MSO-A1640H10TR | 16*10mm | | | ≥115dB | | |
| | 23khz Obstacle Detection Transmitter Ultrasonic Sensors | MSO-A1623H12T | 16*12mm | | | ≥115dB | | |
| | 40khz Wire Type Waterproof Ultrasonic Sensor Transmitter And Receiver | MSW-A1040H07TR | 10 * 7MM | | | ≥90dB | | |
| | 40kHz Waterproof One B Ody Transmitter And Receiver Ultrasonic Sensor | MSW-A1240H08TR | 12 * 8mm | | | | | |
| | Wire Ultrasonic Sensor Waterproof Automatic Elevator Position Detection | MSW-BA1440H09TR-WC39 | 14 * 9MM | | | | | |
| | 3V 5V 12V 85dB Active Buzzer Magnetic Alarm Buzzer | MSES12A | 12 * 7.5mm | 3VDC | 2700±300Hz | ≥87dB@10cm | ≤30mA | 1.5~4VDC |
| | 1.5V 70dB 75dB Electronic Magnetic Passive Sound Transducers Buzzer | MSET12C | 12 * 5.4mm | 3Vp-p | 2048±500Hz | ≥75dB@10cm | ≤30mA | 1.5~3Vp-p |
| | 1.5v 85dbpassive Electronic Magnetic Buzzer | MSET12D | 12 * 8.5mm | 1.5Vp-p | 2400±300Hz | ≥85dB@10cm | ≤30mA | 3~5Vp-p |
| | 1.5V Electronic Magnetic Passive Sound Transducers Buzzer | MSET09A | 9 * 4mm | 1.5Vp-p | 2730±500Hz | ≥85dB@10cm | ≤80mA | 1~2Vp-p |
| | 1.5V 3V 5V 2371Hz 9650 Lateral Sound Electromagnetic Patch Buzzer | MSET10A | 9.6 *5mm | 5Vo-p | 2731±500Hz | ≥85dB@10cm | ≤80mA | 4~7Vp-p |
| | 2700Hz 1.5v Magnetic Buzzer with Remote Control | MSET09B | 9 * 5mm | 3Vp-p | 2730±500Hz | ≥87dB@10cm | ≤70mA | 2~4Vp-p |
| | 1.5V Small Magnetic Buzzer Electric Bell Warning Transducer | MSET10C | 9.6 *5mm | 1.5Vp-p | 2730±500Hz | ≥86dB@10cm | ≤80mA | 1~2Vp-p |
| | 1.5v Side Hole Magnetic Buzzer 3v Electromagnetic Buzzer | MSET09C | 9 * 4mm | 3Vo-p | 2731±500Hz | ≥85dB@10cm | ≤90mA | 2.5~4.2Vp-p |