WORLD-STANDARD PERFORMANCE IN A TINY FOOTPRINT
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

BOSS five-year warranty

  • Respected TU-3 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
  • BOSS five-year warranty
Tuning Range
C0 (16.35 Hz)--C8 (4,186 Hz)
Reference Pitch
A4 = 436--445 Hz (1 Hz step)
Tuning Accuracy
+/- 1 cent
Modes
Chromatic
Chromatic flat x2
Guitar
Guitar flat x2
Bass
Bass flat x3
Display mode
Cent mode
Stream mode
Power Supply
AC adaptor (sold separately)
Bypass
Buffered bypass
Controls
MODE button
STREAM/CENT button
Nominal Input Level
-20 dBu
Input Impedance
1 M ohm
Nominal Output Level
-20 dBu
Output Impedance
1 k ohm
Recommended Load Impedance
10 k ohms or greater
Indicator
CHECK indicator (Power on indicator)
Connectors
INPUT jack: 1/4-inch phone type
OUTPUT jack: 1/4-inch phone type
DC IN jack
DC OUT jack
Current Draw
30 mA (DC 9 V)
85 mA (DC 9 V, when High Brightness mode is on)
Accessories
Owner's Manual
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTE," and "Information")
Parallel DC code (DC Plug x2)
Rubber foot
Options (sold separately)
AC adaptor: PSA series
Parallel DC cord: PCS-20A(DC Plug x8)
Size and Weight
Width
73 mm
2-7/8 inches
Depth
84 mm
3-5/16 inches
Height
56 mm
2-1/4 inches
Weight (including battery)
220 g
8 oz
* 0 dBu = 0.775 Vrms
*The specifications are subject to change without notice.
SKU TU3S
Brand Boss
Shipping Weight 0.5000kg
Shipping Width 0.150m
Shipping Height 0.050m
Shipping Length 0.080m
Shipping Cubic 0.000600000m3
Unit Of Measure ea

Be The First To Review This Product!

Help other The Music Spot users shop smarter by writing reviews for products you have purchased.

Write a product review

We Also Recommend

More From This Category