Vics 5 Band Acoustic Guitar Preamp EQ Equalizer Piezo Pickup LCDTuner with Microphone 5 Band Pre-amp EQ Equalizer for Acoustic Pickup Under the Saddle Piezo Pickup Recording the Sounds from Strings Microphone Pickup Sounds from the body surface of the Guitar Built-in Blue LCD Guitar Chromatic Tuner Balance & Unbalance output Jack, Low Battery Check