Roland KC-550 - 180W 15" Keyboard Amp

180-watt, 4-channel Stereo Mixing Keyboard Amp with 15" Woofer, 3-band EQ, Stereo Link, and Subwoofer Output
Roland KC-550 - 180W 15
Roland KC-550 - 180W 15
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Roland KC-550 - 180W 15" Keyboard Amp
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Roland's Flagship KC Amp

Plug up to four keyboards into the Roland KC-550 keyboard amplifier and enjoy the powerful sonic performance provided by 180 watts pushed through a 15-inch woofer and horn tweeter. Sculpt your tone with the Shape switch and 3-band EQ. Beef up your low end with the Subwoofer Out jack. Premix your keyboards with the onboard 4-channel stereo mixer, then connect your rig directly to FOH via stereo XLR Line Outs. Chain a pair of KC-550s with the Stereo Link In/Out jacks for stereo applications. The Roland KC-550 is a feature-packed keyboard amp.

Onboard 4-channel mixer accommodates your whole keyboard rig and more

The Roland KC-550's built-in 4-channel stereo mixer makes connecting all of your synths, stage pianos, and other keyboards a piece of cake, while a Shape switch and 3-band EQ provide ample tonal control. Use the KC-550's onboard mixer for monitoring and premixing your keyboards, then connect directly to a console with its stereo Line Outs. Or connect your dynamic microphone to the XLR input on Channel 1 and use the KC-550 as a portable PA system for smaller gigs.

Maximize your low end and enjoy captivating stereo sound

Synths and keyboards are full-range instruments. If your performance demands more bass, employ the Roland KC-550's Subwoofer Out jack to add a sub to your rig. Envelop your audience in captivating stereo sound utilizing the the KC-550's Stereo Link In/Out jacks. Chain two amplifiers together using a single cable, while you control them both from the amp that's closest to you.

Rugged design is built to withstand the rigors of the road

The Roland KC-550 is designed to handle punishment. Built-in handles make transporting your keyboard amplifier easy, while casters make moving it around the stage almost effortless. Heavy-duty carpeting, protective edges, and an all-metal grill safeguard the amp's exterior, ensuring that it arrives at your gig in tip-top condition.

Roland KC-550 Keyboard Amplifier Features:

  • 180 watts pushed through a 15-inch woofer and horn tweeter delivers a powerful sonic performance
  • 4-channel stereo mixer allows connection of up to 4 keyboards
  • XLR input on Channel 1 accommodates your dynamic microphone
  • Shape switch and 3-band EQ for sculpting your tone
  • Subwoofer Out jack for beefing up your low end
  • XLR Line Outs for connecting directly to FOH
  • Stereo Link In/Out jacks for stereo applications
  • Aux In jack for connecting external media players
  • Rugged, road-ready design

Additional Media

Read the Roland KC-550 Owner's Manual
Keyboard Amp Buying Guide

Tech Specs

Speaker Size 1 x 15", 1 x Tweeter
Total Power 180W
Inputs 8 x 1/4", 2 x RCA, 1 x XLR
Outputs 2 x 1/4", 2 x XLR, 1 x TRS (Headphones)
Mounting Options Floor
Height 21"
Width 23"
Depth 17.5"
Weight 63 lbs.
Manufacturer Part Number KC-550

Customer Reviews

Based on 28 reviews
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Great deep end rich sound with this amp! Great purchase from Sweetwater again!


Big fat delicious sound across the spectrum. Its four inputs are perfect for my 3 keyboards and vocals. I think the only thing better would be to get another one and connect them for stereo sound. The XLR out is perfect for the gigs I've been doing recently. Just run one cable to the sound guy and your golden. I would recommend this amp to anybody who plays keys. Can fill up a good size room all by itself. Great as a monitor as well!
Music background: Music Grad/Pro musician/ Music Writer

Roland KC-550

I have a Roland KC-350, and the sound is truly outstanding, with the sound of my keyboard and bass guitar, quality performance!, next move is getting a nice lead guitar, but directly after is the KC-550, to make my combinations and performance strong!
Music background: Music composer, piano trainy and collrge student majoring in music and fine arts.


I have been using this amp for about 2 years now, and am still very impressed. I originally bought this amp to use with my Roland V-drums. And the main reason, is that it had a 15" woofer so I knew it would reproduce the kick drum accurately, whereas the other amps I tried just sounded thin. Well, it sounded amazing on my V-drums, and really reproduced them very well. But what is really impressive about this amp is the flexibility. I have used my V-drums with it, my guitar and bass through my PODxt into the KC-550. My iPod sounds amazing through the KC-550. I have actually used it as a standalone DJ rig at a smallish party, and all I had was my iPod, a microphone and my KC-550. It did a great job. And of course it sounds amazing on keyboards also. I don't have an actual synthesizer, but I have used my Axiom-61 into Reason 3.0 on my PC, and output it into the KC-550 and it sounded really nice. I have been using it a couple years, and have nothing bad to say about it at all. It continues to impress me.
Music background: Hobbyist musician/producer.

Amazing keyboard amp!

I had been playing through a 100 watt peavy with 2 12" speakers. What a piece of junk next to the KC-550. This amp has me and the whole band impressed. The quality of sound from this puppy is phenomenal.(spelling?) It is truley a keyboard's dream for live performing and recording.
Music background: Best blues band, Mamafunk and the Mudcats

Sweetwater Advice

Jeff Hollman

Roland has long been making the clearest, loudest, and most useful keyboard amps in the industry. It's rare that I sell any other keyboard amp in this price range.

Nick Church

The power to handle your left hand, and the clarity to handle your right hand! This amp is ambidextrous! The flexibilty of the EQ and signal routing only add to the desirability of this amp!
See also: Keyboard Amps, Roland, Roland Keyboard Amplifiers