Roland KC990 Stereo Mixing Keyboard Amplifier
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More About The Roland KC990 Keyboard Amplifier
Powerful Stereo Sound for High-Impact Performances
The KC-990 delivers powerful, full-range stereo sound with 320 watts of output (160 watts per side), featuring two newly engineered 12-inch speakers and custom horn tweeters. This design ensures that the KC-990 accurately reproduces the wide frequency range required by 88-key stage pianos, organs, synthesizers, rhythm machines, and other electronic instruments.
Integrated Mixing for Large Setups and Ensembles
As Roland's most robust KC amplifier, the KC990 serves as a comprehensive stereo sound system in a single unit, making it ideal for use as backline amplification, stage monitors, or even as a main PA. The amp features four stereo line input channels, allowing you to connect multiple devices such as keyboards, percussion pads, and drum machines. Additionally, a dedicated auxiliary input lets you plug in a smartphone or music player for backing tracks. Channel 1 includes an XLR input, enabling you to connect a vocal microphone for added flexibility. The Aux In channel supports 1/8-inch, RCA, and ¼-inch connections, and includes a convenient monitor function for managing guide tracks during live performances.
Built-In Stereo Effects for Enhanced Live Sound
Equipped with four onboard effects, the KC990 is designed to elevate your live sound. The chorus effect, inspired by Roland’s legendary JC-series amps, adds unparalleled depth and dimension through the KC-990’s stereo speakers. The amp also offers tremolo and rotary effects, ideal for organs and electric pianos, along with a lush stereo reverb for vocals and instruments. By using optional footswitches, you can control the effects and adjust rotary speed hands-free during your performance.
Versatile Connectivity for Live, Studio, and Practice Environments
The KC990’s rear-panel connectivity makes it adaptable to any playing situation. Stereo line outputs are provided via both XLR and ¼-inch jacks, enabling simultaneous connections to PA systems, stage monitors, and recording equipment. The XLR outputs include a switchable ground lift to eliminate hum when connecting to a main PA. Additionally, a headphone jack is available for silent practice or discreet monitoring of guide tracks and instruments on stage.
Expand Your Rig with Stereo Link
The KC990’s Stereo Link feature allows for easy expansion of your sound setup. By connecting a second KC-990 through the stereo link jacks, you can double the number of available inputs and achieve wider stereo sound dispersion. The left and right signals of connected instruments are split between the two amps, creating an expansive stereo field for an even more impressive audio experience.
Key Features
- Flagship stereo keyboard amplifier with 320 watts of power
- Onboard mixer with four stereo input channels, stereo auxiliary input, and master EQ
- Two custom-designed 12-inch woofers and custom horn tweeters
- Built-in effects: reverb, chorus, tremolo, and rotary
- Control effects and rotary speed with optional external footswitches
- Flexible I/O options including XLR mic input, stereo XLR and ¼-inch line outputs, headphone output, and more
- Stereo Link function for connecting two KC-990s
- Durable metal jacks for enhanced longevity
- Casters and side-mounted handles for improved portability
Dimensions
Width759 mm
Depth470 mm
Height (including casters)585 mm
Specifications
Rated Power Output320 W (160 W + 160 W)Nominal Input Level (1 kHz)CH1 (BALANCED, L/MONO, R): -50-- -20 dBu
CH2 (L/MONO, R): -20 dBu
CH3 (L/MONO, R): -20 dBu
CH4 (L/MONO, R): -20 dBu
AUX IN/MONITOR IN (AUX 1､AUX 2､AUX 3): -10 dBu
STEREO LINK (IN): 0 dBuNominal Output Level (1 kHz)LINE OUT (L/MONO, R): +4 dBu
LINE OUT (BALANCED L, R): +4 dBu
STEREO LINK (OUT): 0 dBuSpeakers30 cm (12 inches) Woofer x 2
Horn Tweeter x 2ControlsPOWER switch
GND LIFT switch
[CH1]
MIC/LINE knob
EFFECT button
[CH2]
LINE knob
EFFECT button
[CH3]
LINE knob
EFFECT button
[CH4]
LINE knob
EFFECT button
[EFFECT]
EFFECT knob
ROTARY SPEED button
[AUX IN]
LEVEL knob
MUTE SPEAKER button
MUTE LINE OUT button
[EQUALIZER]
LOW knob
MIDDLE knob
HIGH knob
[PHONES]
VOLUME knob
MASTER knobIndicatorPowerConnectorsCH1 (BALANCED) jack: XLR type
CH1 (L/MONO, R) jacks: 1/4-inch phone type
CH2 (L/MONO, R) jacks: 1/4-inch phone type
CH3 (L/MONO, R) jacks: 1/4-inch phone type
CH4 (L/MONO, R) jacks: 1/4-inch phone type
AUX IN/MONITOR IN
AUX 1 (L/MONO, R) jacks: 1/4-inch phone type
AUX 2 (L, R) jacks: RCA phono type
AUX 3 (STEREO) jacks: Stereo miniature phone type
PHONES jack: Stereo 1/4-inch TRS phone type (mono signal output)
STEREO LINK (IN, OUT L, OUT R) jacks: 1/4-inch phone type
LINE OUT (L/MONO, R) jacks: 1/4-inch phone type
LINE OUT (BALANCED L, R) jacks: XLR type
FOOT SW jack: 1/4-inch TRS phone type
