The cookie settings on this website are adjusted to allow all cookies so that you have the very best experience. If you continue without changing your cookie settings, we'll assume that you are happy to receive all cookies on our website. However, if you would like to, you can change your settings at any time using the Change cookie settings link in the Special menu. 
+44 (0)20-84520161 Contact Us
Now FREE Delivery on UK mainland orders over £30+VAT

Buzzers, Sounders & Ultrasonics


  • Buzzer 9 to 15VDC 25mA 70dB

    Buzzer 9 to 15VDC 25mA 70dB

    Electric Buzzer 12VDC 25mA (actual range 9VDC to 15VDC)

    Dimensions 33.5 X 17 x 15mm (h) 

    100mm red & black wires

    Sound output: 70-75dB@30cm

    Frequency: 400Hz ±20%

    Item Number: BZ12
    £2.75 (inc VAT £3.30)
  • Very Loud Piezo Siren 105dB

    Very Loud Piezo Siren 105dB

    Very Loud Piezo Siren 105db, with mounting flange.

    Piercing Siren Tone. Centre frequency approx 2KHz. 6-15VDC,

    85mA/105dB @ 1M.

    W 42mm. H 27.5mm. D 52mm

    Fixing Centres 58mm

    Item Number: PIZ105
    £6.25 (inc VAT £7.50)
  • 25KHz Ultrasonic Transmitter

    25KHz Ultrasonic Transmitter

    Ultrasonic Transducer - Transmitter at 25KHz

    It sends a piercing sound omnidirectionally. Cannot be heard by normal human ears, but sends frightening sound to horses, cats, dogs, mice, rats, birds etc etc. 25KHz presents a lower frequency sound than conventional 40KHz transducers and is more effective in animal and pest control.

    Item Number: MA25T
    £3.75 (inc VAT £4.50)
  • Ultrasonic 40KHz Receiver

    Ultrasonic 40KHz Receiver

    Ultrasonic Transducer - Receiver at 40KHz. Sensitivity 65dB. 30K impedance. Matched for transmitting on MA40T

    Item Number: MA40R
    £3.75 (inc VAT £4.50)
  • Ultrasonic 40KHz Transmitter

    Ultrasonic 40KHz Transmitter

    Ultrasonic Transducer - Transmitter at 40KHz. Sensitivity 106dB. 500R impedance. Matched for receiving on MA40R

    Item Number: MA40T
    £4.25 (inc VAT £5.10)