The Napalm Compresa features: Volume Knob (maximum output level) & the Compresa Knob (sensitivity).
When the white LED is illuminated the Napalm Compresa is engaged. When the LED is off, the Napalm Compresa is true bypassed (meaning the signal quality & tone is unaffected).
Jacks are ‘In' & ‘Out'
Power via Battery or 9v dc (Boss style) socket.