graphic equalizer for bass guitar. Lots of musicians playing this instrument connect it directly to bass combo or mixer. This type of connection results in serious deficit in sound control possibilities. The purpose of Bass Equalizer is to compensate for this deficit. The seven equalization bands of this device have been singled out from bass guitar sound spectrum for precise and operative sound correction during a concert or studio recording session. If you need to overcome the resistance of a long cable used for big stage performance, you can use Bass Equalizer as a matching device. Sells everywhere online for $129.99 but this one’s mint in the box for just $89.99.