Plug in all your keyboards and a mic – and get full, punchy sound on any stage. The Roland KC-400 Stereo Mixing Keyboard Amplifier puts 150 watts, a built-in mixer and a two-way speaker into one compact amp. It updates the long-time favourite KC-350 for today’s working keyboard players, singers and electronic musicians.
Why customers choose it
Who it is for
Keyboard players with more than one instrument, singer-keyboardists, church and wedding musicians, electronic drummers and DJs needing a full-range amp, and music schools.
Specifications
| Output power | 150 W |
|---|---|
| Speakers | 30 cm (12-inch) woofer + horn tweeter |
| Inputs | CH1 XLR balanced + L/Mono, R; CH2-CH4/Monitor In L/Mono, R (1/4-inch); Aux in RCA L/R and stereo mini |
| Outputs | Line out L/Mono, R (1/4-inch), sub out, Stereo Link in/out, phones (1/4-inch TRS, mono signal) |
| EQ | Low, Middle, High + Shape button |
| Power consumption | 40 W |
| Dimensions (W x D x H) | 490 x 385 x 470 mm |
| Weight | 22 kg |
| Type | Keyboard amplifier |
| Channels | 4 stereo + aux |
| EQ | 3-band + Shape |
Good to know
- Roland says chaining a second KC-400 with Stereo Link gives more inputs and true stereo on stage.
- The headphone jack outputs a mono signal.
- Roland makes a custom cover, the RAC-KC400, sold separately.
FAQ
Can I connect a microphone?
Yes – Channel 1 has an XLR balanced mic/line input.
How many keyboards can I connect?
Four stereo instruments on channels 1-4, plus a stereo aux source.





















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