The BOSS TU-3 is the worlds go-to stompbox tuner, trusted by players everywhere for its reliable operation and bulletproof durability. Scaled down in size, the TU-3S gives you the same industry-standard performance in a tiny footprint that saves precious pedalboard space. The display and tuning functions are identical to the TU-3the only thing eliminated is the pedal switch. Always on and ready to go, the TU-3S is perfect for use with pedal switching systems like the BOSS ES-8 and ES-5, and ideal for any setup where space is at a premium

Features:

• Tuning performance in a more compact size
• 21-segment LED meter with brightness control
• High Brightness mode enhances meter visibility outdoors
• Accu-Pitch Sign function provides visual verification when tuning is complete
• Chromatic and Guitar/Bass modes, with support for 7-string guitars and 6-string basses
• Guitar Flat mode supports drop tunings up to six semitones below standard pitch
• Powered by optional PSA-series adapter; DC Out jack for powering up to seven BOSS compact effect pedals via an optional PCS-20A daisy-chain cable

Specifications:

• Dimensions: 73 mm / 2-7/8″ W X 84 mm / 3-5/16″ D X 56 mm / 2-1/4″ H
• Weight (including battery): 220 g / 8 oz
• Accessories: Owner’s Manual, Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTE,” and “Information”), Parallel DC code (DC Plug x2), Rubber foot