Boss TU-3S Chromatic Tuner Guitar Effect Pedal (TU3S)

RM620.00

Accurate Chromatic Tuning — Provides precise tuning for guitar, bass, and other instruments with chromatic operation and the same tuning performance as the TU-3.
High-Visibility LED Display — Ensures clear tuning feedback with a 21-segment LED meter, adjustable brightness, and High Brightness mode for outdoor visibility.
Pedalboard-Friendly Design — Maximizes pedalboard space with a compact display-only format that omits the footswitch while remaining continuously active in signal chains.
Flexible Tuning Modes — Supports Chromatic, Guitar, Bass, Flat, and Drop tuning modes to accommodate a variety of instruments and alternate tunings.
Buffered Signal Path — Integrates easily into pedalboard setups with buffered operation, standard mono input/output connections, and power via a PSA-series AC adaptor.

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Boss TU-3S Chromatic Tuner Guitar Effect Pedal (TU3S / TU 3S)

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

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

Specifications

Feature	Details
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	Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTE,” and “Information”) Parallel DC cord (DC Plug x2) Rubber foot
Options (sold separately)	AC adaptor: PSA series Parallel DC cord: PCS-20A (DC Plug x8)

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