{"product_id":"boss-tu-3-chromatic-tuner-pedal","title":"BOSS TU-3 Chromatic Tuner Pedal","description":"\u003ch2\u003eBOSS TU-3 Chromatic Tuner — The World's Best-Selling Stage Tuner\u003c\/h2\u003e\u003cp\u003eThe BOSS TU-3 Chromatic Tuner sets the standard for stage tuning reliability. Built on decades of BOSS tuning technology, it combines a sharp 21-segment LED meter, pinpoint +\/-1 cent accuracy, and a road-tested all-metal chassis into the most trusted compact tuner pedal on the market.\u003c\/p\u003e\u003cp\u003eThe TU-3 covers an extraordinary tuning range from C0 to C8, supports 7-string guitars and 5-6 string basses, and offers multiple flat-tuning options for down-tuned playing styles. The High Brightness mode ensures clear readability under direct sunlight, while the Accu-Pitch Sign function provides an unmistakable visual confirmation the moment your instrument is perfectly in tune.\u003c\/p\u003e\u003cp\u003eA built-in DC OUT jack lets the TU-3 serve double duty as a power supply for other pedals on your board. With buffered bypass to preserve signal integrity and compatibility with the full BOSS PSA adapter family, the TU-3 is an essential, always-on foundation for any pedalboard.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e+\/-1 Cent Accuracy:\u003c\/strong\u003e High-precision tuning detection ensures you're always spot-on, whether on stage or in the studio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21-Segment LED Meter with High Brightness Mode:\u003c\/strong\u003e Crystal-clear readability even in direct outdoor sunlight; brightness is user-adjustable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccu-Pitch Sign Function:\u003c\/strong\u003e The entire meter flashes when tuning is confirmed, giving instant visual feedback without staring at the center needle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Tuning Range (C0-C8):\u003c\/strong\u003e Covers everything from the lowest bass frequencies to the highest guitar harmonics across all standard and extended-range instruments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Modes for Guitar and Bass:\u003c\/strong\u003e Chromatic, Guitar (with up to 6-semitone flat), and Bass (with up to 3-semitone flat) modes support 7-string guitars and 5-6 string basses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC OUT Jack for Daisy-Chaining:\u003c\/strong\u003e Powers additional pedals directly from the TU-3, reducing the need for separate power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilent Muting on Engagement:\u003c\/strong\u003e Engage the tuner for completely silent tuning between songs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuffered Bypass:\u003c\/strong\u003e Maintains signal strength across long cable runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning Range:\u003c\/strong\u003e C0 (16.35 Hz) - C8 (4,186 Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Pitch:\u003c\/strong\u003e A4 = 436-445 Hz (1 Hz steps)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning Accuracy:\u003c\/strong\u003e +\/-1 cent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning Modes:\u003c\/strong\u003e Chromatic, Chromatic flat x2, Guitar, Guitar flat x2, Bass, Bass flat x3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Modes:\u003c\/strong\u003e Cent mode, Stream mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Input Level:\u003c\/strong\u003e -20 dBu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 1 MΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Output Level:\u003c\/strong\u003e -20 dBu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e 1 kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Load Impedance:\u003c\/strong\u003e 10 kΩ or greater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Pedal switch, MODE button, STREAM\/CENT button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicators:\u003c\/strong\u003e 21-segment LED meter, CHECK indicator (battery check function)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors:\u003c\/strong\u003e INPUT jack (1\/4\" TS), OUTPUT jack (1\/4\" TS), BYPASS jack (1\/4\" TS), DC IN jack, DC OUT jack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Carbon-zinc battery (9V, 6F22) or Alkaline battery (9V, 6LR61); AC adaptor PSA series (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Draw:\u003c\/strong\u003e 20 mA (standard); 80 mA (High Brightness mode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life (Carbon-Zinc):\u003c\/strong\u003e Approximately 5 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Life (Alkaline):\u003c\/strong\u003e Approximately 21 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass Type:\u003c\/strong\u003e Buffered bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 73 mm (2-7\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 129 mm (5-1\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 59 mm (2-3\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 390 g \/ 14 oz (including battery)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's In The Box\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBOSS TU-3 Chromatic Tuner\u003c\/li\u003e\n\u003cli\u003eCarbon-zinc 9V battery (6F22)\u003c\/li\u003e\n\u003cli\u003eLeaflet \"USING THE UNIT SAFELY\"\u003c\/li\u003e\n\u003cli\u003eInformation sheet\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BOSS","offers":[{"title":"Default Title","offer_id":46011431256261,"sku":"BOSS-EFX-TU3","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/tu-3_angle_gal.jpg?v=1774900520","url":"https:\/\/avlgear.com\/products\/boss-tu-3-chromatic-tuner-pedal","provider":"AVLGEAR","version":"1.0","type":"link"}