Boss DB-90 Dr Beat

METRONOMO:

Tempo: 30-250 (Accuracy: ±0.1%)
BEAT: (BEAT1) 1–9, (BEAT2) OFF/1–9
PATTERN: 8-BEAT x 4, 16-BEAT x 3, SHUFFLE x 3, FUNK x 2, JAZZ x 2, BLUES, TECHNO, HOUSE, COUNTRY, REGGAE, CLAVE 3-2, CLAVE 2-3, SALSA, RUMBA, BOSSA NOVA, SAMBA, WALTZ, TANGO, MAMBO, CHACHACHA, MARCH (30 kinds)RHYTHM COACHTime Check, Quiet Count, Gradual Up/Down, Step Up/DownReference ToneReference Pitch: A4=438 Hz-445 Hz (1 Hz steps)
Reference Tone Range: C2-B6 (5 octave, 12 semitone)MemoryMetronome: 50
Reference Tone: 10Auto Power Off functionTurns unit off after 60 minIndicatorsLCD Display, Tempo Indicator LED x 2ConnectorsTRIG IN jack
START/STOP jack
MEMORY UP/DOWN jack
MIDI IN connector
PHONES jack x 2 (Stereo 1/4" phone type, Stereo miniature phone type)
INPUT jack
AC ADAPTOR jackPower SupplyDC-9V: Dry Battery (6LR61/9V, 6AM6/9V) or AC adaptor (PSA series)Current Draw85 mA or less (with reference tone sounding)
190 mA or less (with signals input to the INPUT jack)AccessoriesDry Battery (6LR61 (9V) Type)
Soft case
Owner's Manual
Boss nut (M8)