Boss - TU-3W Chromatic Tuner
THE LEADING STOMPBOX TUNER, REFINED WITH WAZA EXPERTISE
With the TU-3W, BOSS brings Waza Craft mojo to the world’s leading stompbox tuner. At its core, the TU-3W provides rock-solid tuning equivalent to the industry-standard TU-3. In true Waza tradition, the pedal’s benchmark functionality is further enhanced with BOSS skill and craftsmanship. Pure, uncolored signal transfer is essential for a tuner, and the TU-3W features redesigned circuitry with selectable buffered or true-bypass operation and the most transparent audio pass-through possible. Packing high-end performance for discriminating players, the TU-3W delivers a premium pedal experience only available from BOSS.Couldn't load pickup availability
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THE LEADING STOMPBOX TUNER, REFINED WITH WAZA EXPERTISE
With the TU-3W, BOSS brings Waza Craft mojo to the world’s leading stompbox tuner. At its core, the TU-3W provides rock-solid tuning equivalent to the industry-standard TU-3. In true Waza tradition, the pedal’s benchmark functionality is further enhanced with BOSS skill and craftsmanship. Pure, uncolored signal transfer is essential for a tuner, and the TU-3W features redesigned circuitry with selectable buffered or true-bypass operation and the most transparent audio pass-through possible. Packing high-end performance for discriminating players, the TU-3W delivers a premium pedal experience only available from BOSS.Features
- The world’s leading stompbox tuner, enhanced with Waza innovation and craftsmanship
- Superior tuning and premium signal buffer in one pedal
- Tuning functions are identical to the industry-standard TU-3
- Refined audio circuitry for exceptionally pure signal pass-through
- Buffer can be turned off for true-bypass operation
- BOSS five-year warranty
Waza Craft: The Art of Superior Tone
Since the beginning, the engineers at BOSS have been committed to achieving the finest guitar tones using any technology necessary, from old-school analog circuits to high-tech DSP. Continuing this enthusiastic spirit, we are pleased to introduce the Waza Craft series. In Japan, “Waza” is the term for art and technique, and these special edition pedals proudly carry the Waza symbol to represent the pinnacle of BOSS design and craftsmanship. With final sound approval carried out by BOSS in Japan, the Waza Craft series brings you exceptional tone and touch response through carefully selected analog components, refined circuitry, and meticulous attention to detail.
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 | |
| Cent mode | |
| Stream mode | |
| Power Supply | Alkaline battery (9V, 6F22) or Carbon-zinc battery (9V, 6LR61) |
| AC adaptor (sold separately) | |
| Bypass | Buffered bypass or True bypass |
| Controls | Pedal switch |
| OUTPUT switch (BUF/THRU SW) | |
| 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 (Serves also as battery check indicator) |
| Connectors | INPUT jack: 1/4-inch phone type |
| OUTPUT jack: 1/4-inch phone type | |
| BYPASS jack: 1/4-inch phone type | |
| DC IN jack | |
| DC OUT jack | |
| Current Draw | 50 mA (DC 9 V) |
| 110 mA (DC 9 V, when High Brightness mode is on) | |
| Expected battery life under continuous use (These figures will vary depending on the actual conditions of use.) | Alkaline: Approx. 5.5 hours |
| Carbon: Approx. 0.5 hours | |
| Accessories | Owner's Manual |
| Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTE," and "Information") | |
| Alkaline battery (9V, 6LR61) | |
| 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 | 129 mm |
| 5-1/8 inches | |
| Height | 59 mm |
| 2-3/8 inches | |
| Weight (including battery) | 460 g |
| 1 lb 1 oz |
Boss
AUTHORIZED DEALERAvailable in store & online — Nantel Musique
Boss is one of the most recognized names in musical instruments worldwide. Known for exceptional build quality, innovative design, and reliable performance across every price range, Boss instruments are trusted by beginners and touring professionals alike.
at nantel musique, we carry a curated selection of boss effects & pedals — each one inspected, set up, and backed by our expert team. every purchase includes our satisfaction guarantee and dedicated after-sales support.

