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Boss TU-12EX Chromatic Tuner for Guitar & Bass

Boss TU-12EX Chromatic Tuner for Guitar & Bass


Boss TU-12EX Chromatic Tuner for Guitar & Bass

Guitar and Bass Chromatic Tuner with Flat Tuning, LED Indicators, Accu-Pitch Feature and Built-in Condenser Microphone
List Price: $137.50
Our Price: $99.00
Savings: $38.50
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Availability: In Stock
Product Code: SKU18419


Boss TU-12EX Chromatic Tuner

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.


  • Needle/LED indicators for fast, accurate tuning
  • Flat Tuning of up to six half steps
  • ACCU-PITCH with an audible beep
  • A reference tone
  • A built-in microphone for acoustic instruments
  • Battery-saving Auto-Off


  • Tuning Range: E0 (20.6 Hz) to C8 (4,186.0 Hz)
  • Reference Pitch: A4 (438 to 445 Hz)
  • Tuning Accuracy: 1 cent
  • Power Supply: Dry battery R03 (carbon) or LR03 (alkaline); (AAA) type x 2; DC 3V, 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: 5-13/16" (148 mm)
  • Depth: 2-1/8" (54 mm)
  • Height: 1" (24 mm)
  • Weight: 0 lb. 5 oz. (0.1 kg)

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