Practice in Style with the flagship of the Dr. Beat Metronome line.  The new DB-90 is loaded with quality sounds and drum patterns to make your practice sessions less mundane and more musical.  There's a Rhythm Coach function with an onboard mic, a reference-tone function for tuning, an Instrument input, MIDI input, and other handy tools to make learning fun and effective.  

With this Digital Metronome, you can also save up to 50 different Metronome patterns and 10 Reference tones.  It can have a tempo ranging from 30 to 250 bpm, and has 30 different patterns to choose from.  Truly an excellent choice.