Ovation Preamps

OP4-BT Active Preamp with Tuner

The popular OP-4BT preamp features 3-band EQ with +/-12 dB control over the bass, midrange, and treble frequencies, and a handy battery status light. An accurate and easy-to-use onboard chromatic tuner works equally well for standard, open, and altered tunings.


  • EQ: 3-band
  • Volume Control: Included
  • Battery Status Light: Included
  • Onboard Tuner: Included


Model Name: OP4-BT Active Preamp with Tuner
Series: Ovation Preamps
Color: Black