DESCRIPTION:
Demonstrating MSP(Magnet Sandwiched Pickup).

MSP is one of a piezoelectric pickup for acoustic instruments.
MSP is innovated the new way of installation. Strong magnets sandwich a soundboard.
MSP can provide louder and higher quality of instruments’ sound. The easiest ever installation pickup is Japanese patented invention.

Japanese PAT No4967048 , U.S. Patent No.8,916,763 , Australian patent No.2011283734 and International Patent pending PCT/JP2011 / 66957.
For more information ; http://www.123sound.jp/enindex/index.html

For comparison with Underwood and Schertler, see below;
https://youtu.be/rs8VyENjMCA