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Roland KC-400 Keyboard Amp

Roland KC-400 Keyboard Amp

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$589.00 to $799.99

5.0 (1)

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4 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated July 4, 2026.

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5.0 (18)

$799.99

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4.5 (11)

$799.99

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$671.15 16 available New

$499.00 7 available Used

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5.0 (3)

$799.99

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5.0 (2)

$799.99

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$799.99

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4.8 (19)

$589.00

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£569.00

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Price History

Based on price data from 6 merchants for "Roland KC-400 Keyboard Amp". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Introducing the Roland KC-400 Keyboard Amp, a powerhouse of versatility and quality sound. This 4-channel amplifier is not just a mere keyboard amp; it’s your key to superior soundscapes—blending the richness of your keyboard and synthesizers with the capability of a portable PA system. Whether you're rehearsing, performing live, or adding vocals through an XLR microphone input, the KC-400 stands ready with its full-range sound. Its heart beats with 150 watts of power driving a custom-designed 12" speaker, ensuring your music resonates with clarity and depth. Stereo Link connectivity allows for pairing with another KC-400, amplifying your sonic potential. This amp doesn’t just play music; it breathes life into every performance with its dynamic sound and built-in mixing capabilities.

Key Features:

150 watts of power for clear, powerful sound production.
Custom-designed 12" speaker paired with a separate tweeter for high fidelity audio.
4 channels with versatile connectivity options including 1/4" line inputs and XLR microphone input.
Stereo Link functionality for connecting two KC-400 amps for enriched stereo sound.
Built-in mixer with a dedicated Sub Out jack, enabling connection to a powered subwoofer for enhanced bass.
Onboard EQ controls for fine-tuning Low, Middle, and High frequencies.
Portable and durable design, suitable for gigging musicians and studio sessions.
Headphones jack for silent practice and discrete stage monitoring.

Owner's manual

Roland KC-400 Keyboard Amp User Manual

Product specs

Output Power	150W
Speaker Size	1 x 12", 1 x horn tweeter
EQ	3-band EQ
Inputs	8 x 1/4" (L/mono, R), 1 x XLR, 1 x 1/4" (stereo link), 2 x RCA, 1 x 1/8" TRS (aux)
Outputs	2 x 1/4" (L/mono, R), 1 x 1/4" (stereo link), 1 x 1/4" (headphones), 1 x 1/4" (sub out)
Height	18.56"
Width	19.31"
Depth	15.18"
Weight	48.56 lbs.

FAQs

What is the power output of the Roland KC-400 Keyboard Amp?: The Roland KC-400 Keyboard Amp delivers 150 watts of power, providing robust and clear sound suitable for various performance settings.
How many channels does the Roland KC-400 have for mixing?: The Roland KC-400 features a 4-channel stereo mixing capability, allowing you to connect multiple keyboards or audio sources simultaneously.
Does the Roland KC-400 have a headphone output?: Yes, the Roland KC-400 includes a 1/4" headphone output, enabling private monitoring during practice or performance.
What type of speakers are used in the Roland KC-400?: The Roland KC-400 is equipped with a 12-inch speaker and a horn tweeter, designed to deliver full-range audio with clarity and punch.
Can the Roland KC-400 be linked with another amp for stereo sound?: Yes, the Roland KC-400 has a stereo link feature, allowing you to connect it with another amp to create a wider stereo sound field.

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Reviews

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PROS

Versatile for multiple keyboards and vocals with plenty of inputs
Balanced XLR mic input enhances vocal sound quality
Lightweight and portable, under 50 pounds
Stereo line out feature for easy mix control at gigs
Sturdy build quality, designed for heavy duty use
Superior sound clarity, with powerful subwoofer and clear tweeters
Stereo link feature expands setup options for larger venues
Natural and rich sound reproduction, even at low volumes
Excellent for a variety of instruments beyond keyboards
Can closely emulate real piano sounds

CONS

Slightly heavy, though lighter than previous models
Mid frequencies may sometimes sound not quite right
Lacks richness in very low piano frequencies
Entry mic lacks low-pass filter

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Roland KC-400 Keyboard Amp.

Comparisons

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The Behringer KXD12 offers built-in FX for reverb on mic inputs, a feature lacking in Roland KC-400 amps.
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The KC-400 is noted to sound less pristine than higher wattage models like the KC-550, impacting overall sound quality.
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Some users prefer stereo setups with two KC-350s linked for enhanced keyboard or synthesizer accuracy, suggesting potential improvements over a single KC-400.
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The KC-400 is noted for its neutral sound, making it a reliable choice across various settings compared to other amps with more coloration.
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Features and functionality

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The Behringer KXD12 includes a 5-band EQ, useful for adjusting sound profiles, particularly for controlling booming bass.
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The KC-400 offers four channels, allowing multiple inputs for keyboards or other devices, which enhances its versatility for live or studio settings.
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Use cases and applications

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The KXD12 performs well in diverse settings, including outdoor gigs and large band performances, by providing clear acoustic piano sounds.
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A 400-watt amp like the KC-400 is deemed sufficient for most venues; larger venues likely provide their own PA systems.
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The KC-400 is praised for its accurate, flat sound, making it suitable as a PA system for intimate settings when combined with compressed and balanced signals.
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Setup and maintenance

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Owners recommend using a dedicated amp stand for stability, as PA amps can become top-heavy on traditional X stands.
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User experience

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Users appreciate the KXD12's sturdy build and reasonable weight, making it portable and reliable for live performances.
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Owners mention that higher wattage amps sound more relaxed and pleasing, though the KC-400 remains a recommended option.
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Owners report long-term reliability, with a KC-400 being used for over seven years without issues, highlighting its durability.
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