Item #: BOS DR01S LIST

Boss DR01S Rhythm Partner

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MSRP: $329.99
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Product Description

Designed for acoustic musicians, the Boss DR01S Rhythm Partner features pure full-sounding percussion tones plus versatile grooves. The easy-to-use controls on the DR01S allow you to select beats and variations to compliment any musical style. Compact, built-in speaker and battery-powered, the go-anywhere DR01S makes playing acoustic music even more enjoyable and inspiring.

Boss DR01S Rhythm Partner Features

  • 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 
The DR01S is an ideal companion for acoustic guitar and vocals, but is just as powerful with ukulele, violin, piano, and other types of acoustic instruments. The onboard speaker provides high-quality sound and with battery-powered operation, you can take your rhythm partner everywhere you go. Whether playing solo or with friends, the inspiring DR01S brings a new level of enjoyment to all your acoustic music sessions.

The Perfect Rhythm Partner for Unplugged Music
One of the great joys of acoustic music is that it’s simple and uncomplicated—you just grab your instrument and start playing. The DR-01S flows seamlessly with that relaxed unplugged vibe, offering a friendly panel interface, all-in-one design, and tasteful, understated grooves that enhance any acoustic music style without getting in the way. Via dedicated buttons, you can call up all sorts of beats and variations, layer up to seven instruments together to create your own unique rhythms, and save up to 50 favorites for later recall. Volume, tempo, and time signature can be adjusted with just a few touches, and it’s easy to add a count-in before the rhythm starts. You can even fade out grooves to create polished endings for your songs.

Expressive Percussion Instruments and Grooves
The DR-01S takes full advantage of the acclaimed rhythm machine and sound development history of BOSS and its parent company Roland. A large variety of authentic acoustic percussion sounds are on board, including shakers, maracas, tambourines, congas, bongos, bells, cajon, and many more. There’s even a full drum kit with acoustic and electronic sounds, perfect for when you want to rock up your acoustic jams. Every instrument category includes lots of expressive grooves created by acoustic percussionists, giving you a wide range of organic backing for any unplugged style.

Impressive Sound in a Compact Design
With its integrated audio system, the DR-01S produces warm, full sound that blends right in with the natural tones of your acoustic instruments. BOSS’s advanced approach combines an innovative cabinet design, custom speaker, and a high-efficiency amplifier to deliver impressive sound in a highly portable package. And when you want to take your rhythm partner to the stage, just connect the line out into your acoustic amp or PA system.

Hands-Free Control with Optional Footswitches
While you can access all DR-01S functions from the front panel, it’s often handy to perform some operations while keeping both hands on your instrument. And by connecting one or two optional footswitches, you can. There are a variety of assignable functions to choose from, including start/stop, tempo up/down, tap tempo, pattern variation, and many more. It’s also possible to trigger nearly any DR-01S percussion sound by foot, great for manually tapping out beats as you play.

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Helpful Info about the Manufacturer
Phone:  323-890-3700 Warranty:  BOSS Compact and Twin Pedals: 5 years parts, 2 years labor; BOSS (other): 1 year parts, 90 days labor

Product Specifications

Product Specifications
Boss DR01S Rhythm Partner Specifications
  • Maximum Polyphony: 24 voices 
  • 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
  • Number of Favorite: 50 
  • Rated Power Output: 7 W 
  • Speaker: 10 cm (4 inches) 
  • Display: 7 segments, 3 characters (LED) 
  • DA Conversion: 24 bits 
  • Nominal Input Level: AUX IN: -20 dBu 
  • Input Impedance: AUX IN: 22 k ohms 
  • Nominal Output Level: LINE OUT: -10 dBu 
  • Output Impedance: LINE OUT: 1 k ohm 
  • Recommended Load Impedance: LINE OUT: 10 k ohms or greater 
  • Connectors:
    • AUX IN jack: Stereo miniature phone type
    • LINE OUT jack: Stereo miniature phone type
    • CTL 1, 2 jack: 1/4-inch TRS phone type
    • DC IN jack
  • Power Supply:
    • Alkaline battery (AA, LR6) x 6 (sold separately) 
    • AC adaptor
  • Current Draw: 330 mA 
  • Expected battery life under continuous use:
    • Alkaline: Approx. 10 hours
    • * These figures will vary depending on the actual conditions of use. 
  • Dimensions: 210 (W) x 143 (D) x 127 (H) mm 8-5/16 (W) x 5-11/16 (D) x 5 (H) inches 
  • Weight: 900 g 2 lbs 
  • Accessories:
    • Owner's manual
    • AC adaptor
  • Options (sold separately): 
    • Footswitch: FS-5U
    • Dual Footswitch: FS-6, FS-7

* 0 dBu = 0.775 Vrms

Customer Reviews

Review: KJ Submitted: 8/5/2019

Product Rating5 out of 5 stars.


Product Rating

Product Review

Finally, a simple, long overdue, space-age drum/metronome machine designed by BOSS/ROLAND without bass-guitar sound complexity designed into it! I like its user friendly buttons, simple instructions for quick set-up and quick learning for my one-man-band, acoustic guitar solos and vocals! I plug it into my acoustic amp to make it sound more loudly, along with my mic and guitar plugged into the same amp. WOW! Fantastic drum sounds/rhythm patterns!!!

Review: Tom Cornfield Submitted: 6/30/2019

Product Rating5 out of 5 stars.


This is unreal

Product Review

This is fantastic don't need a drummer when working on a new song/ Material

Review: Joe Sanchez Submitted: 10/30/2018

Product Rating5 out of 5 stars.



Good accompaniment.

Product Review

Perfect for one, two or three acoustic instruments. Can be started or stopped by a footswitch or you can assign specific functions to a footswitch. No one will think you have a real drummer hidden somewhere but this thing sounds fine and does it's job well. Love it!


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