Rackears IconRackears.io
BOSS DR-220 Dr. Rhythm - Image 1

BOSS DR-220 Dr. Rhythm

Drum MachineDigitalPolyphonic

When Boss released the DR-220 in 1985, they created something that would become a staple in home studios and budget-conscious setups for decades—a drum machine so compact and straightforward that it almost felt like cheating to have real drums at your fingertips. The DR-220 came in two flavors: the DR-220A with acoustic drum samples and the DR-220E with electronic sounds that bore a striking resemblance to early Simmons kits, giving musicians a choice depending on their sonic direction.

The heart of the DR-220 is its 11 PCM voices arranged across a 4x3 grid of velocity-sensitive pads, each voice stored in 12-bit resolution. You get 32 built-in patterns plus room for 32 user-programmable patterns that stick around after power-off, and you can chain up to eight songs together, each running up to 128 bars long. The interface is refreshingly simple: a non-backlit LCD matrix display, 16 buttons for navigation, and a volume slider on the front panel. On the back you'll find mono audio out, headphone jack, and trigger in/out connections that let you sync with other gear or control external devices. Power comes from six AA batteries or a 9V adapter, and the whole thing weighs just 350 grams—light enough to throw in a gig bag.

The DR-220 does have some quirks worth knowing about. Channel sharing means you can't always play every sound simultaneously, so layering certain drums requires planning. The 12-bit samples have that characteristic grit and hiss of mid-80s drum machines, which is either charming or dated depending on your perspective. The non-backlit display can be frustrating in dim lighting, and the pads lack velocity sensitivity, so dynamics come from the accent controls rather than how hard you hit them. That said, the machine has held up remarkably well in the hands of lo-fi producers and vintage gear enthusiasts who appreciate its limitations as part of its character. It's a machine that does one thing—straightforward, reliable drum programming—and does it without unnecessary complications.

Released

1986

Status

Discontinued

Synthesizer
Format
Drum Machine, Micro
Type
Sample-based, PCM
Internal Battery
Yes
Voice
A/D
Digital
Polyphony
Polyphonic
Oscillators
-
Oscillator Type
-
Voices
6
Tracks
4
Filter
No
Envelopes
-
LFO
-
Effects
No
Expression
Aftertouch
No
Velocity
No
MPE
No
Additional
-
Software
-
I/O
Audio In
-
Audio Out
1x 1/4" mono
Headphone
1x 1/8" (3.5mm)
MIDI
-
MIDI Type
-
Ports
Trigger In, Trigger Out
Wi-Fi
No
Workflow
Arpeggiator
-
Sequencer
Yes
Mod Matrix
No
Memory
32 preset rhythm patterns, 32 free slots
Measurements
Dimensions
239 x 75 x 31 mm
Weight
350g
Last updated Feb 25, 2026