Tech 21 Paradriver D.I. V2, pedal version of the RPM. Multi-instrument preamp for acoustic, electric/bass guitars, double bass, mandolin and any other instrument equipped with a pickup system, controls: level, treble, mid, bass, drive, blend & mid shift, switches for: phantom & ground connect XLR, +10db 1/4" jack, -20db XLR, rumble filter & air, power supply optional #108096 (not included), 1x jack input, 1x jack output, 1x jack parallel output, 1x XLR output, dimensions: 120 x 95 x 50mm, weight: 340g