LED's move to the rhythm of the music. Surprise your friends in the disco, incorporated microphone, adjustable sensitivity.

Speaker included. LED beat indication. Adjustable volume and beats/minute with potentiometers. On/off switch on board.

Generates 4 different sounds with this simple mini kit WSAH113: police siren, fire brigade, emergency vehicle and laser gun. RV1 adjusts sound pitch. On/off switch and PCB speaker included.

Surprise your friends in the disco. 5 red LEDs. Incorporated microphone. Adjustable sensitivity.

The Velleman MK134 electronics kit, generates the sound of a vintage steam engine. Adjustable 'speed' and volume. great for model railroads, stage shows or as a gadget. With 'steam whistle'-push button.

Stereo audio amplifier boosts sound 50 times. Great for the-hearing impaired (e.g. when watching TV), as a gadget, science project. With volume control and on/off switch.

A new version of the popular WSAH171/MK171 electronic kit, featuring a surafce mount processor already fitted to the board.

Adjust the distortion effect and use the ‘pitch’ buttons to make your voice sound lower or higher.

This cool mini-kit features an on/off switch, a built-in microphone and has a 3.5mm stereo phone jack. The only extra thing you will need to produce sound is an amplified speaker with a 3.5mm aux cable. Insert 3 AA batteries and you are all set to go!

This kit was designed to be compact so you can easily integrate it into a costume or descretely hold it into your hand. Tip: use electronic wires to extend or elongate the microphone so you can mount it closer to your mouth.

A compact mini kit which allows you to create delay effects. Can be used for various audio systems, karaoke, P.A. toys, or just for fun. Can be used with its built-in microphone or connected to a conventional sound system via line level signal.

The Whadda WSAH190 / MK190 mini kit from Velleman is a stereo 5 Watt amplifier which connects to your MP3 player. Features low distortion, on/off switch, volume control with control knob and blue LED power indicator.

Similar to MK174 but with a longer recording time. High-quality, natural voice/audio reproduction. Can be used to greet visitors, play pranks, warn burglars. Microphone and 57mm loudspeaker included. Record time between 30 and 90 seconds per module. External trigger inputs to play & record messages.