Audio Sprockets ToneDexter Acoustic Preamp, Effect pedal, For instruments with a piezo pickup, Restores the missing corpus sound on an instrument when a piezo pickup is used, ToneDexter stores WaveMaps from your studio microphone sound, which can be recalled when only the pickup is used, WaveMaps transform the pickup signal to sound like a microphone - sonorous, resonant and natural, WaveMaps can be stored with different microphones and positions for each of your instruments, SD card slot for updates, Controls: PU Level Trim, Output Level, WaveMap Select, Character Select, Treble, Bass, Notch, Switch: Phase, Option A/B, DI Fixed/Var, LED: Input Level, Mute/Tune/Edit, Boost / edit mode, Display: LED Display, Foot-switch: Mute / tune / edit, boost, Input: 6.3 mm Jack, Output: 6.3 mm Jack, Mic input: XLR, DI Output: XLR, Headphone output: 6.3 mm Stereo jack, Effects Loop: 6.3 mm Stereo jack, Mains adapter connection: Coaxial connector 5.5 x 2.1 mm, negative polarity inside, Power supply with 9-15 V DC mains adapter, Dimensions (W x D x H): 160 x 150 x 58 mm, Includes power supply@+*Note:* Battery operation is not supported.