Boss DR-01S specifications

• Great-sounding, easy-to-use rhythm box designed for acoustic musicians
• Filled with simple, tasteful grooves to support and enhance unplugged music styles
• Convenient all-in-one design with high-quality integrated sound system
• User-friendly interface for selecting instrument types and grooves, adjusting volume and tempo, and more
• Seven simultaneous instrument categories include everything from tambourines, shakers, and congas to full drum set, sound effects, standard metronome, and many other sounds
• Dedicated patterns in each instrument category, with the ability to layer patterns from all categories together in real time
• Save 50 favorite rhythm combinations for quick recall
• Control various functions and trigger sounds hands-free with optional footswitches
• Line out for connecting to an acoustic guitar amp or larger sound system
• Aux input enables use as a speaker for a smartphone or other audio player
• Powered by six AA-size batteries or included AC adapter