BOSS DB-90 metronome

BOSS DB-90
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.
• The most advanced metronome available
• Trigger input to access unique Rhythm Coach exercises
• MIDI in for syncing to external sequencer tempos
• PCM sounds with “drum machine” style patterns
• Human-voice count

Specifications:
• Metronome:
- 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 coach: Time Check, Quiet Count, Gradual Up/Down, Step Up/Down
• Reference Tone:
- Reference Pitch: A4=438 Hz-445 Hz (1 Hz steps)
- Reference Tone Range: C2-B6 (5 octave, 12 semitone)
• Memory:
- Metronome: 50
- Reference Tone: 10
• Auto Power Off function: Turns unit off after 60 min
• Indicators: LCD Display, Tempo Indicator LED x 2
• Connectors:
- Trig 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 Jack
• Power Supply DC-9V: Dry Battery (6LR61/9V, 6AM6/9V) or AC adaptor (PSA series)
• Accessories: Dry Battery, Soft case, Owner’s Manual
• Weight: 0,5 kg