Bass preamp pedal from Isp Technologies
ISP Technologies will introduce at NAMM 2015 the new Pro version of its Theta guitar preamp pedal and the Beta Bass preamp pedal.
![[NAMM] Two ISP preamp pedals](https://img.audiofanzine.com/img/product/normal/2/3/230954.jpg?fm=pjpg&w=334&h=243&fit=contain&s=3ecc702316073e33a148017b24792a8b)