Korg KR-55 Pro Multi-Function Rhythm Machine

BH #KOKR55PRO • MFR #KR55PRO
Korg KR-55 Pro Multi-Function Rhythm Machine
Key Features
  • 24 Built-In Rhythm Styles
  • Each Rhythm: 2 Variations of 3 Patterns
  • Chain Function Creates Song Structures
  • Built-In Mixer for Mic, 2 x Guitar + Aux
The Korg KR-55 Pro is a multi-function rhythm generator, recorder, and player that harnesses the power of Korg's "Real Groove Technology" to create high-quality drum tracks for singer/songwriters and duos. It provides a variety of input jacks, mixer functionality, effects, and equalization, as well as a versatile multi-track recorder that can record/play to/from an SD card. With an intuitive interface, the KR-55 Pro is easy to program and can be controlled by an optional foot pedal for real-time control. The unit is completely mobile and can be powered by the included 9 VDC adapter or batteries (6 x AA) making it a versatile piece great for anything from desktop recording to street performances, and useful in a variety of situations including live events in small spaces.
Special Order
Expected availability: 2-4 weeks
$349.99

Important Notice

  • This item is noncancelable and nonreturnable.
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Korg KR55PRO Overview

The Korg KR-55 Pro is a multi-function rhythm generator, recorder, and player that harnesses the power of Korg's "Real Groove Technology" to create high-quality drum tracks for singer/songwriters and duos. It provides a variety of input jacks, mixer functionality, effects, and equalization, as well as a versatile multi-track recorder that can record/play to/from an SD card. With an intuitive interface, the KR-55 Pro is easy to program and can be controlled by an optional foot pedal for real-time control. The unit is completely mobile and can be powered by the included 9 VDC adapter or batteries (6 x AA) making it a versatile piece great for anything from desktop recording to street performances, and useful in a variety of situations including live events in small spaces.

There are 24 built-in drum/percussion styles that were recorded live using Korg’s proprietary “Real Groove Technology.” Each rhythm style provides two variations, each with a a basic pattern and two fill-ins. By chaining patterns together, a rhythm structure for an entire song can be achieved and played back automatically or manually.

The mixer section includes one XLR mic input, two guitar/bass inputs, and a stereo auxiliary input, allowing for multi-channel mixing with an on-board, high-quality reverb. The onboard SD recorder allows you to play along with a rhythm style and record the combined results. What's more, multi-track recording capabilities allow for the production of more sophisticated tracks.

The KR-55 Pro also features a variety of utility features including a built-in tuner with a large display for good visibility in low-light conditions. You can also tune while listening to a guitar, bass, or piano guide tone, and the convenient onboard metronome assists in practicing. The unit features "Acoustage" proprietary virtual surround technology that generates a wide stereo effect that appears to originate from locations that are broadly separated between left and right.

  • 24 built-in drum/percussion styles that were recorded live using Korg’s proprietary “Real Groove Technology”
  • Each rhythm style includes two variations with three patterns: basic, fill-in 1, and fill-in 2
  • Use the chain function to create a rhythm structure for an entire song, and play it automatically
  • A rich array of input jacks includes one XLR mic input, two guitar/bass inputs, and a stereo AUX input, allowing multi-channel mixing
  • A high-quality reverb effect and equalizer are provided, giving you the freedom to shape your sound
  • You can perform along with a rhythm style and record the combined result as an audio file on an SD card
  • Multi-track recording is supported, allowing you to produce more sophisticated tracks
  • The tuner function features a large meter for good visibility, and you can also tune while hearing a guide tone
  • Acoustage technology delivers a spacious sound
  • The unit can be powered on six AA batteries, allowing up to seven hours of use
  • A separately sold foot switch lets you control the unit with your foot

Korg KR55PRO Specs

Rhythm FunctionRhythm Styles: 24 rhythm styles, two variations for each rhythm style, each variation has three patterns (basic, fill-in 1, fill-in 2)
Tempo: 48–240 bpm
Chain Function: 30 banks (up to 999 measures can be registered in each)
RecorderRecording Format: PCM audio WAV format (file name extension .wav), 44.1 kHz, 16-bit
Recording Time: Depends on the SD card used; approximately 100 minutes per 1 GB
Maximum Continuous Recording Time: 3 hours
Number of Songs: Maximum 50
Number of Multi-Track Recordings: Depends on the remaining free capacity of the SD card
Undo/Redo: Once
PlayerPlayback Formats: PCM audio WAV format (file name extension .wav) 44.1 kHz, 16-bit, stereo
Maximum Data Size (Time): Depends on the memory card used; approximately 100 minutes per 1 GB (for WAV data)
Maximum Number of Data Files (Number of Folders): Up to 99 songs (per folder); a total of eight folders M1–M8 inside the player folder can be used
Playlist Function: 10 banks (up to 24 songs can be registered in each)
EffectsEffects: Reverb effect
Equalizer: Bass, treble
Acoustage: Wide stereo effect
Tuner FunctionScale: 12-note equal temperament (chromatic)
Calibration: 435 to 445 Hz
Tuning Guide Tone: Guitar, bass, and piano
DisplayLED: 7-segment four digit
SD CardUsable Cards: SDHC (UHS-I) 4 to 32 GB recommendation
InputMic Input
Connector: XLR (balanced)
Input Impedance: 4.7 kOhms
Nominal Level: -43 dBV

Input 1 / 2 (Guitar / Bass)
Connectors: 2 x 1/4" / 6.3 mm (unbalanced)
Input Impedance:  1 MOhm
Nominal Level: -26 dBV

Aux Input
Connector: 1/8" / 3.5 mm stereo (unbalanced)
Input Impedance: 10 kOhms
Nominal Level: -17 dBV
Foot SW: 1/4" / 6.3 mm stereo
Usable Foot Switch: Vox VFS5 (optional)
OutputOutput L/Mono+R: 2 x 1/4" / 6.3 mm mono (unbalanced)
Headphone: 1/8" / 3.5 mm stereo mini
Maximum Level: 0 dBV, 30 mW, 32 Ohms
BatteryType: 6 x AA (alkaline or nickel-metal hydride are supported)
Battery Life: approximately 7 hours
PowerPower Supply: 9 VDC
Current Consumption: 330 mA
Dimension (W x D x H)9.6 x 8.7 x 2.7" / 244 x 220 x 68 mm
Weight3.1 lb / 1.4 kg (excluding batteries)
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