A top-notch drum sound anytime, anywhere!

A multitude of rhythm patterns packed into a practical interface! The new KR-55 Pro is a multifunctional rhythm machine equipped with mixer/recorder functionality.

Experience the same musical backing as if accompanied by a professional drummer. The KR-55 Pro offers an easy way to enjoy jam sessions with the support of real drum/percussion sounds. It provides a versatile recorder that can be recorded to an SD card, as well as a wide range of input jacks, mixer function, effects and equalizer. Its intuitive interface means there’s no need for complicated programming. The battery-powered system allows freedom from desktop to street performances and can be used in a variety of situations, including live events in small spaces.

Technical Specifications

Rhythm Function
Rhythm Types: 24 rhythm types, two variations for each rhythm type, each variation has three models (basic, attack 1, attack 2), ending
Tempo: 48–240 bpm
Rhythm Chain function: 30 banks (up to 999 measures can be saved in each)

Recording function
Recording format: PCM audio WAV format (file name extension .wav), 44.1 kHz, 16-bit
Recording time: Varies depending on SD card used; approximately 100 minutes per 1GB
Maximum continuous recording time: 3 hours
Number of songs: Maximum 50
Number of multi-channel recordings: Depends on the remaining free capacity of the SD card
Undo/Redo: Once

Play function
Playback 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 M1 – M8 folders can be used inside the PLAYER folder.
Playlist function: 10 banks (up to 24 songs can be stored in each)

Mixer Effect Section
Effects: Reverb effect
Equalizer: BASS, TREBLE
Other: ACOUSTAGE (wide stereo effect)

Tuner Function
Scale: 12-note equal temperament
Type: Chromatic
Calibration: 435–445 Hz
Tuning Guide sound: Three types (guitar, bass, piano)

Screen
7-segment four-digit LED

SD Card
Usable cards: SDHC card 4GB–32GB (recommended)

Entries
Microphone input: XLR-3-32 type (balanced), input impedance 4.7k ohm, nominal level -43dBV
INPUT 1 jack, INPUT 2 jack (guitar, bass): 1/4" (6.3 mm) monaural phone jack (unbalanced), input impedance 1M ohm, nominal level -26 dBV
AUX INPUT jack: 1/8” (3.5 mm) stereo mini-phone jack (unbalanced), input impedance 10k ohm, nominal level -17 dBV
FOOT SW jack: 1/4” (6.3 mm) stereo phone jack, available foot switch: VOX VFS5 foot switch

Outputs
LINE OUT L/R jack: 1/4" (6.3 mm) monaural phone jack (unbalanced), maximum Level: 0dBV 30mW 32 ohms
Headphone jack: 1/8” (3.5 mm) stereo mini-phone jack, maximum Level: 0dBV 30mW 32 ohms

Power supply
Power Source: DC 9V, six AA batteries (alkaline or nickel-metal hydride supported)
Battery life: Approximately 7 hours (when using alkaline batteries or nickel-metal hydride batteries)
* Varies depending on batteries used and usage conditions
Power consumption: 330mA

Dimensions (W x D x H)
244 x 220 x 68mm / 9.61" × 8.66" × 2.68"

Weight
1.4 kg / 3.09 lbs. (excluding batteries)

What is included in the
AC adapter (DC 9V)

Accessories (Sold separately)
VOX VFS5 Footswitch