BOSS Used BOSS OC-2 Octave [Made in Taiwan, ACA power supply] La Rosa Percussion The Empress Effects Buffer++ is

The Empress Effects Buffer++ is the ultimate utility pedal

adjustable encoder acceleration curves

and full MIDI control

If you set the mix knob to the minimum position of 1:0

BOSS Used BOSS OC-2 Octave [Made in Taiwan, ACA power supply] La Rosa Percussion The Empress Effects Buffer++ isThe OC 2 Octave adds thickness to your sound by adding two tones, one octave and two octaves below the original sound. Each tone has its own independent volume control, providing crystal clear sound reproduction. This product is no longer available. Condition: No problems with use Power: ACA power supply or 9V battery Accessories: None Warranty: 3 months for initial defects only