BOSS DR3 Dr. Rhythm Electronic Drum Machine

$309.00 $248.95


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SKU: DR3 Category:

BOSS DR3 Dr. Rhythm

A Fast and Easy Solution for Professional-Sounding Drums.

With the BOSS DR-3 Dr. Rhythm, guitarists and songwriters can add incredible-sounding drums to their music. This ultra-affordable drum machine includes some of BOSS’ best acoustic and electronic drum kits and a selection of bass sounds.

Great for jamming, the BOSS DR-3’s Rhythm Progressions and multiple variations make it easy to create a realistic-sounding drum track for any style of music. And with Total Sound Control, you can tweak your kits to perfection.


BOSS’ most affordable drum machine for jamming or practice

Realistic drum, percussion and bass sounds with velocity-sensitive pads

New Rhythm Progressions with 3 variations each for Intro, Verse, Fill and Ending

New TSC with Sound Shape function and Ambience for professional drum sounds

100 Preset Styles and 100 User styles programmable via realtime or step recording

Footswitch input for easy live control; runs on AC or battery power

New Rhythm Progressions for All-Out Jams

If you want to spend less time programming and more time jamming, you’ll love the DR-3’s Rhythm Progressions. Simply choose from 100 Preset styles and use the eight panel buttons to switch between different sections of your song. Up to three variations can be selected for each Intro, Verse, Fill and Ending, so your drum tracks won’t get monotonous.

Easy Sound Shaping and Footswitch Control

BOSS’ new TSC (Total Sound Control) lets you change the overall sound of a drum kit with specialized effects. Use the Sound Shape function to adjust the 3-band compression and parametric EQ, or add some spaciousness with the Ambience effect. An optional footswitch can be used to control anything from Intro/Start and Ending/Stop to Verse change, Variation On/Off, Loop On/Off and more. Battery power lets you take the DR-3 just about anywhere.


User Style: 100, Preset Style: 100 * 11 patterns for a style


User: 100, Song Length: Max. 250 patterns for a song

TSC (Total Sound Control)

Preset Patch: 8, User Patch: 8 Preset Patch: 8, User Patch: 8

Max. Polyphony

12 voices


Drum and perc: 120, Bass: 12


96 per quater note


20 to 260 bpm

Recording Method



13 (Velocity-sensitive)


Backlit LCD (16 characters x 2 lines)


Output Jack: L, R (RCA Phono type), L(PHONES), R(MONO) (1/4-inch phone type), Foot Switch Jack (Stereo 1/4-inch phone type), MIDI IN Connector, DC IN (AC Adaptor Jack)

Power Supply

DC9V: Dry Battery (R6/LR6 (AA) type) x 6, AC Adaptor (PSA-series)

Power Consumption

200 mA

* Expected battery life under continuous use: approx. 5 hours (This figure will vary depending on the actual conditions of use.)


Dry Battery (Alkaline LR6 (AA) type) x 6, Owner’s Manual, Roland Service (Information Sheet)


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