Active Accordion system, a made for a smooth natural sound on all melodies. 
 It’s a long sized professional sensor which installed 
 on the treble section of the instrument. 
 Easy installation with 2 elastic round strap brackets . 
4 x Dynamic microphones reproduce a rich natural sound over instrument’s frequency specter. 
A low consumption build-in preamp, gives a Hi-power output. 
Powered with a 3 Volt lithium mini battery (2032). 
 **An extra input, accepts “AKO-B” bass section sensor, as an optional choice.
Dimensions : 345mm x 63mm x 28mm