Overview 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 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
Specifications 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) Current Draw: 35 mA (DC 9 V);
95 mA (DC 9 V, when High Brightness mode is on) 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;
OUTPUT jack;
DC IN jack;
DC OUT jack 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) 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
