The MK136 Stereo Super Ear SELF-ASSEMBLY electronic kit is a stereo audio amplifier that boosts sound 50 times allowing you to hear the most amazing sounds.
Not only great for the-hearing impaired (e.g. when watching TV) but also as a science project or low-cost gadget for listening to birds and wildlife, eavesdropping, safe-cracking (yes, really), machine diagnostic tests, …
With standard 3.5mm headphone socket, volume control, On/Off switch and On indicator LED.Specifications
|Supply||3 x 1.5V AA batteries (Order Code 656.010 not incl.)|
|Board Dimensions||62 x 54 x 44mm (2.4" x 2.1" x 1.7")|
|Product Format||SELF-ASSEMBLY electronic kit (KT) Product Formats Info|
|Documentation||Velleman MK136 Assembly Manual|
Use to amplify the electret microphone supplied or any small audio signal up to a suitable level to drive an audio power amplifier. 6-12Vdc. 40dB gain...
Preamplifier module with an electret microphone incorporated into the board. It provides a line level output signal level and has an onboard potentiometer for gain adjustment. Operating voltage is 6-18V dc power supply (for examp...