Skip to content

Boss TU-3S Small Size Chromatic Tuner Guitar Pedal

SKU 20BOS104
by Boss
Original price $ 99.99 - Original price $ 99.99
Original price
$ 99.99
$ 99.99 - $ 99.99
Current price $ 99.99


The BOSS TU-3 is the world’s 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-3—the 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 . 

Tech Specs

  • Type: Chromatic
  • Format: Pedal
  • Display Type: LED, Cent, Stream
  • Reference Pitch: A4 = 436-445Hz
  • Tuning Range: C0-C8 (16.3-4186Hz)
  • Accuracy: ±1 cent
  • Tuning Modes: Flat, Guitar, Bass
  • Inputs: 1 x 1/4"
  • Outputs: 1 x 1/4"
  • Bypass Switching: Buffered
  • Power Supply: 9V DC power supply required (sold separately)
  • Power Usage: 35-95mA (in High Brightness mode)
  • Height: 2.25"
  • Depth: 3.31"
  • Width: 2.88"
  • Weight: 8 oz.
  • Manufacturer Part Number: TU-3S