BOSS PQ-4 Parametric Equalizer

BOSS PQ-4 Parametric Equalizer

THE PQ-4 is quite rare. It was never a big seller and as Boss doesn't make any parametric equalizers today (2004) they...
BOSS SP-1 Spectrum

BOSS SP-1 Spectrum

SP-1 Spectrum the SP-1 is a parametric equalizer with one frequency band only. The spectrum knob sets the...
Boss PQ-3B Bass Parametric Equalizer

Boss PQ-3B Bass Parametric Equalizer

The PQ-3B is a three-band bass parametric equalizer that features Low, Middle and High bands. Each band allows you to set the...
Boss GE-7B Bass Equalizer

Boss GE-7B Bass Equalizer

The GE-7B is a 7 band Equalizer for Bass guitar. The design is very similar to the GE-7 but the frequency bands...
BOSS RGE-10 Graphic Equalizer

BOSS RGE-10 Graphic Equalizer

RGE-10 Graphic Equalizer Boss Micro Studio Series Vol.1, 1986: Fine Tonal Compensation with 10-Band...
GE-7 Equalizer

GE-7 Equalizer

With the availability of slimmer slide potentiometers, the GE-7 was released 1981. It's got the same frequency bands as the GE-6 as...