BOSS TU-01 Clip-On Chromatic Tuner

Product ID: 109617

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  • Renowned BOSS reliability in pocket-friendly clip-on tuner
  • Range of tuning modes, including: Chromatic, Guitar, Bass, and Ukulele
  • Convenient reference pitch function (A=440 Hz)
  • Runs for up to 25 continuous hours on a single CR2032 lithium battery
  • Auto off function to preserve battery life when the tuner is not in use
  • Folds down and slips into your bag, case or pocket with ease
  • Adjusts for different viewing angles for greater convenience
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight and Channel Islands is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland* FREE on orders over £75 £4.45 on orders under £75 1-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands £12.95 – any order value up to 30kg Over 30kg - please call 1-3 working days
Overseas Please call for details Please call

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The BOSS TU-01 Clip-On Chromatic Tuner is the perfect companion for musicians on the go who need an ultra-reliable pocket tuner that covers a range of instruments and tuning options. As you'd expect from the peerless team at BOSS, the TU-01 doesn't just get the job done, it gets it done with minimum effort and makes your life on the road much simpler.

Small but perfectly formed

The TU-01 may only come in at a lightweight 30g and measure a mere 32 x 31 x 56mm, but it boasts a large and easy to read backlit LCD display that lights your way on the darkest of stages. Whether you're playing a guitar, bass, or ukulele, all you need to do is clip the TU-01 onto your headstock, pluck the string you wish to tune, and adjust until the needle indicates that you're in tune. Easy! The display has a digital meter that tells you whether or not you're falling flat or coming in too sharp of the indicated note, and when you've hit the note, two lights flash to give a visual confirmation.

The reference pitch function (A=440Hz) makes it easier to verify tuning by ear.

Impressive battery life

The TU-01 is powered by a single CR2032 lithium battery, and can run for an astounding 25 continuous hours before needing a replacement. For times when you're in a rush and forget to switch off the tuner, BOSS has included an "Auto Off" function to preserve battery life when the tuner is not in use.

ModelTU-01 Clip-On Chromatic Tuner
Dimensions (H x W x D) 32 x 31 x 56 mm
Weight (including battery) 30 g
Tuning Range A0 (27.5 Hz)--C8 (4,186.0 Hz)
Reference Pitch A4 (440 Hz only)
Tuning Accuracy +/- 1 cent
Control Power switch / Mode switch
Display backlit LCD
Power Supply CR2032 lithium battery x 1
Current Draw 6 mA
Expected battery life under continuous use Approx. 25 hours
* These figures will vary depending on the actual conditions of use.
Auto off function Approx. 7 minutes
Accessories Owner's manual
CR2032 lithium battery

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