The best-selling chromatic tuner in the USA since 1991 (Music and Sound Retailer "Best of the Top Ten Award") is now better than ever. The new STX1100 has all of the original functions, plus the functions of its big brother, the STX1500. The new STX1100 features fast, automatic note sensing and bright, easy-to-use LED display with contrasting LEDs. Along with quarter-inch In and Out Jacks, a Built-in Microphone, Automatic Calibration, Music Stand Mounts and Sleep-mode Battery Saver, the STX1100 has the following new features: Transpose Function: The STX1100 will now display your note in any key. Great for band and orchestra players who want to see notes displayed in their scale as they tune, or for tuning your guitar with a capo. Tone Generator: The STX1100 generates any reference tone over a two-octave range so you can tune by ear, or use it as a training tool for pitch recognition. Manual Calibration: You can now calibrate the STX1100 to any of 12 precise pitches from 435 to 446 Hz. The STX1100 comes complete with a manufacturers Limited Two Year Warranty.