Compact and feature-packed triple-function monitor/tuner that is a must-have for guitar and bass players on the go, providing a needle-accurate tuning, a metronome, and a headphone amp with speaker simulator for monitoring effects, including compact pedals. It offers three tuning modes (Chromatic, Guitar, Bass), Flat Tuning function and ACCU-PITCH verification with an audible beep. It provides tuning range of E0 (20.6 Hz) to C8 (4186 Hz) with accuracy of +/-1 cent and an A4 (435-446 Hz) reference pitch. The built-in headphone amp allows user to tune, jam and play the effects with headphones or direct recording, while the built-in metronome provides selectable rhythmic patterns and volume control. The device further features a MIX IN that allows jamming with an external music-playback device (iPod, etc.). It is powered by a 9V dry battery type (included) or an AC adaptor. Dimension: 140 x 80 x 30 mm. Weight: 190 g. Black colour.