The Boss DR-01S Rhythm Partner is an unplugged and acoustic accompaniment featuring 50 presets, seven categories and a compact design. The DR-01S is the world's first virtual percussionist designed specifically for acoustic musicians.

Packed with organic percussion sounds and simple, versatile grooves that tastefully complement the unplugged experience, the Rhythm Partner is an ideal companion for acoustic guitar and vocals, as well as ukulele, violin, piano, and other types of acoustic instruments.

The friendly interface on the DR-01S makes it easy to cater beats and variations to suit any style, whilst the onboard speaker provides high-quality sound that blends perfectly with acoustic instruments. With a battery-powered operation, you can take this unit everywhere you go.

The main features of the Boss DR-01S Rhythm Partner include:

• Max. Polyphony: 24-Voice
• Tempo: Quarter Note = 40-300
• Time Signature: 3/4, 4/4, 6/8
• Tones: Shaker, Maracas, Bell, Whistle, Tambourine, Pandeiro, Claves, Cowbell, Triangle, Guiro, Bongo, Hand Clap, Paila, Conga, Cajon, Drums, Metronome, Sound Effects
• Favourites: 50
• Power Output: 7W
• Speaker: 10 cm (4")
• Display: 7-Segment, 3-Character LED
• DA Conversion: 24-Bit
• Nominal Input Level: -20 dBu
• Input Impedance: 22 kOhms
• Nominal Output Level: -10 dBu
• Output Impedance: 1 kOhm
• Recommended Load Impedance: 10 kOhms or Greater
• Connectors: Stereo Mini Aux In, Stereo Mini Line Out, 1/4" TRS CTL 1,2, DC In Jack
• Power Supply: 6x AA Alkaline Battery (Not Included), AC Adaptor
• Current Draw: 330mA
• Dimensions: 210 x 143 x 127mm
• Weight: 900g
• Included: Owner's Manual, Safety Leaflet, AC Adaptor