This successor to the legendary TU‎-12 provides BOSS’ famous needle/LED indicators for fast‎,‎ accurate tuning‎.‎ Other features include Flat Tuning of up to six half steps‎,‎ ACCU‎-PITCH with an audible beep‎,‎ a reference tone‎,‎ a built‎-in microphone for acoustic instruments and battery‎-saving Auto‎-Off‎.‎

Technical Specifications‎:‎

Tuning Range

• E0 ‎(‎20.6 Hz‎)‎‎- C8 ‎(‎4‎,‎186.0 Hz‎)‎

Reference Pitch

• A4 ‎(‎438‎- 445 Hz‎)‎

Tuning Accuracy

• ± 1 cent

Power Supply

• Dry battery R03 ‎(‎carbon‎)‎ or LR03 ‎(‎alkaline‎)‎‎;‎ ‎(‎AAA‎)‎ type x 2‎;‎ DC 3 V‎,‎ AC adaptor DC 9V ‎(‎PSA series‎;‎ optional‎)‎

Current Draw

• 12 mA

Expected battery life under continuous use ‎(‎carbon‎)‎

• Approximately 15 hours 

*This figure will vary depending on the actual conditions of use‎.‎

Accessories

• Dry battery ‎(‎R03 ‎(‎AAA‎)‎ type‎)‎ x 2 ‎(‎carbon‎)‎‎,‎ Owner’s Manual‎,‎ Soft Case‎,‎ Leaflet ‎(‎“USING THE UNIT SAFELY” and “IMPORTANT NOTES”‎)‎‎,‎ Information

Size and Weight ‎(‎ including batteries ‎)‎

Width

• 148 mm
• 5‎-13/16 inches

Depth

• 54 mm
• 2‎-1/8 inches

Height

• 24 mm
• 1 inches

Weight

• 0.1 kg
• 0 lbs‎.‎ 5 oz‎.‎