Boss TU88 Micro Monitor & Tuner

Great gig bag tuner


A powerful all in one practice solution the Boss TU88 contains a tuner, headphone amp wth simulation and a metronome all in one. If you are on the go a lot and need all of your practice tools in one box the TU-88 does everything you need in a tiny little package.


Based on the amazing technology Boss has used for years to build some of the worlds best tuners the TU-88 works great for electric guitar, acoustic guitar and even bass. With different modes for each instrument as well as a chromatic mode available you can easily set up your guitar to your prefered tuning.

Practice Tools

Fitted with a metronome you can practice your scales, runs or pretty much anything else on the go either through the built in speaker or attached headphones. The benefit of the built in headphones is that you also have amp simulation meaning you can practice with your pedals silently.


  • Accurate tuning
  • Metronome
  • Headphone amp for private tuning, warm-ups, and effects verification.


  • Three tuning modes (Chromatic, Guitar, Bass), Flat Tuning function, and ACCU-PITCH verification with an audible beep
  • Built-in headphone amp lets you tune, warm up, and check your effects in private
  • Built-in metronome with selectable rhythmic patterns and volume control
  • MIX IN allows jamming with an external music-playback device (iPod, etc.)
  • Tuning Range: E0 (20.6 Hz) - C8 (4,186.0 Hz)
  • Reference Pitch: A4 (435- 446 Hz)
  • Dimensions (WxDxH): 140mm x 80mm x 30mm
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