Amumu ACT-350 is lightweight tuner features a super bright full color display that's easy to read in any lighting condition. Wide range of pitch detection covers A0-C8 to make sure your instruments are in tune. It's suitable for guitar, bass, mandolin, banjo, ukulele, and more.


Scale 12-note Equal Temperament
Tuning Mode Chromatic, Guitar, Bass, Violin, Ukulele C, Ukulele D
Detection Range A0 (27.50 Hz) - C8 (4,186 Hz)
Calibration Range A4=430 Hz – 450 Hz (1 Hz steps)
Precision +/- 1 cents or better (1/100th Of A Semitone)
Flat Tuning 1 - 2 semitones (In G and B mode only)
Dimensions (WxDxH) 50 x 36 x 30mm / 1.97” x 1.41” x 1.18”
Weight 24 g / 0.8 oz. (including battery)
Power Supply CR2032 lithium battery (3V) x 1

Amumu ACT-350 Clip On Chromatic All Instrument Tuner Guitar, Bass, Violin, Ukulele

SKU: ACT-350
Vendor: Amumu

  • High-precision needle-type meter for FAST/ STABLE/ACCURATE tuning.
  • Super bright full color display lets you easily see IN CENT of your tuning
  • Wide range of pitch detection covers A0-C8
  • Calibration Function supports a variety of concert pitches for any instruments
  • Works with a Capo, as well as with any tuning
  • Auto Power Off function conserves battery life
  • Memory Backup function remembers your last settings
  • Approximately 9 hours of continuous use with one new battery ( 108 times if 5 minutes using each time)
  • Easy to use for beginners, robust enough for pros
  • Sturdy clip that's built to last
  • Specifications