more offers

ABRA has a vast inventory of alarm kits, siren kits, sound kits, sound activated kits, metal detector kits, etc. for students, teachers and hobbyists. All our kits are from well known manufacturers like Elenco, Ramsey, Velleman, CanaKit and EKI.

Alarms/Sirens/Sounds

Sort by: SKU Product Price Default Result pages: 1 2 3   See details Yap Box SKU: K-22A Makes six exciting sounds Price: US$17.99 See details Whooper Alarm SKU: K-24 Can be used as a sounder or siren. Fun and easy to build. Speaker included. Price: US$10.99 See details Whooper Alarm SKU: EKI-2050 Produces a unique whooping sound when activated. Price: US$10.99 See details Warble Alarm SKU: MB-1 Produces a LOUD, ear shattering, raucous racket. Price: US$11.99 See details Wake-Up Alarm SKU: EKI-2039 Starts a soft buzz when light enters into the room. Price: US$8.99 See details Voice Activated Switch SKU: RK-VS1 Voice activated switch (VOX) kit will provide a switched output when it 'hears' sound. Price: US$11.99 See details Super Snoop Amplifier SKU: RK-BN9 Here's a super sensitive amplifier that will pick up a pin drop at 15 feet! Price: US$11.99 See details Super Sensitive Voice Activated Switch SKU: CK257 The circuit is based around an IC that ensures very high sensitivity Price: US$24.95 See details Super Sensitive Voice Activated Switch SKU: CK273 Robotic Voice imitator circuit. Price: US$28.95 See details Steam Engine Sound SKU: VEL-MK134 Generates sound of a vintage steam engine. Price: US$13.95 See details Sound Activated Switch SKU: K-36 Clap and the light comes on, clap again and it goes off. Price: US$14.99 See details Siren-4-Sound Mini Siren SKU: LCK015 Provides police, fire engine and ambulance sirens,plus machine gun sounds. Price: US$11.95 See details Siren-10W/ 4-Sound Mini Siren SKU: CK144 Creates police, fire engine and ambulance sirens plus machine gun sounds. Price: US$22.95 See details Siren Sound Generator SKU: VEL-MK113 Generates 4 different sounds police siren, fire brigade, emergency vehicle and laser gun. Price: US$13.95 See details Siren Oscillator SKU: EKI-2012 Press the button to produce a constant tone from the speaker; great for practicing Morse Code. Price: US$8.99

Result pages:

1

2

3