Boss TU12BW Chromatic Tuner for Brass & Wind.

Boss' classic compact tuner, optimised for brass and wind instruments with a clip on mic and music stand attachment!

Here is what Boss have to say about the TU12BW

This sleek, stylish chromatic tuner is designed exclusively for brass and wind instruments. Tune quickly and accurately using the internal microphone or the external clip-on contact mic (included). ACCU-PITCH verifies tuning with an audible beep. The included case can be attached to a music stand for added convenience.

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), piezo microphone, Owner's Manual, Soft Case, Holder, 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
0.2 kg
0 lbs. 8 oz.