Boston BTU-500 Bodentuner True Bypass chromatisch

Boston BTU-500 True Bypass Stage Stimmgerät 
Digital Chromatic Tuning Pedal

Features:

• Calibration: 437 - 445 Hz with 1 Hz steps
• flat tuning to seven semi-tones
• 3PDT switch: true bybass when pedal is off: input is directly fed to output
• mute switch: choose for silent tuning mode or output tuning mode
• dimensions: 113 x 80 x 52 mm
• weight: 320g
• power: DC 9V dry battery or DC 9V adapter