Pricing and availability
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Price
Average Price: $912
Standard/Professional
$200
$1001+
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Budget
Standard
High-end
Price History
Based on price data from 7 merchants for "Radial KL-8 Rackmount Keyboard Mixer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Radial KL-8 Rackmount Keyboard Mixer is the ultimate tool for keyboard maestros seeking seamless integration and control of their multi-keyboard setups. Designed with the needs of modern musicians in mind, this professional mixer offers four stereo analog inputs that allow you to effortlessly manage multiple keyboards. The KL-8 is also equipped with MIDI and USB connections, making it easy to incorporate laptop soft synths into your setup.
What truly sets the KL-8 apart is its redundant USB ports, ensuring that your performance remains uninterrupted even if your main laptop fails. Simply switch to your backup with the flick of a switch and keep the music flowing. This feature is a lifesaver for live performances where reliability is crucial.
The KL-8’s flexible stereo aux send/receive functions let you integrate effects like reverbs and delays, or even add a fifth keyboard. With its high-quality 24-bit/192kHz AD/DA converters and transformer-isolated XLR main outputs, you’re guaranteed pristine sound quality both on stage and in the studio. Dual headphone outputs, powered by a built-in amp, offer silent monitoring and cueing, vital for on-stage adjustments without affecting the main output.
Key Features:
- Four stereo analog inputs for keyboards
- MIDI and USB connections for laptop soft synths
- Redundant USB ports for seamless backup transitions
- Stereo aux send/receive for effects integration
- Dual headphone outputs with built-in amplifier
- Cue switch for silent monitoring and patch adjustments
- High-quality 24-bit/192kHz AD/DA and transformer-isolated XLR outputs
Whether you're in the studio or on stage, the Radial KL-8 is your trusty sidekick, ensuring your keyboard rig performs flawlessly.
Owner's manual
Radial KL-8 Rackmount Keyboard Mixer User ManualProduct specs
| Type | Keyboard Mixer |
| Channels | 4 (stereo) |
| Computer Connectivity | USB |
| Inputs - Line | 8 x 1/4" (4 x channels) |
| Outputs - Main | 2 x XLR (main), 2 x XLR (monitor) |
| Aux Sends | 2 x Stereo (send/receive) |
| Send/Return I/O | 2 x 1/4" (send stereo), 2 x 1/4" (return stereo) |
| Inserts | 2 x 1/4" TRS (send/receive) |
| Headphones | 2 x 1/4" |
| USB | 2 x Type B (redundant) |
| MIDI I/O | In/Out |
| Other I/O | 2 x 1/4" (remote USB/Aux switch), 2 x 1/4" TRS (link) |
| Rackmountable | Yes, 1U |
| Power Source | 4-pin AC Adapter (included) |
| Height | 1.62" |
| Width | 19" |
| Depth | 7" |
| Weight | 6.25 lbs. |
FAQs
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How many keyboards can the Radial KL-8 Rackmount Keyboard Mixer accommodate?
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The Radial KL-8 can handle up to four stereo keyboards, providing eight 1/4" line inputs for comprehensive connectivity.
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Does the Radial KL-8 support USB connectivity for direct computer integration?
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Yes, the Radial KL-8 features dual USB Type B ports, allowing for seamless computer connectivity and redundancy for live performance reliability.
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Can the Radial KL-8 be used in a rack setup?
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Absolutely, the Radial KL-8 is designed for rackmounting and fits into a standard 1U rack space, making it ideal for studio or live setups.
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What type of outputs does the Radial KL-8 offer for live sound integration?
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The Radial KL-8 provides two main XLR outputs and two XLR monitor outputs, ensuring versatile connectivity for live sound systems.
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Is the Radial KL-8 suitable for live performances?
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Yes, the Radial KL-8 is perfect for live performances, offering features like redundant USB ports, MIDI I/O, and multiple stereo aux sends for flexibility and reliability on stage.
Videos
fromstudiotostage
KeyLargo and KL-8: Everything the Live Keyboardist needs to manage their rig!
Reviews
PROS
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High-quality build and sound, even at high gains
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Excellent for managing multiple keyboards with easy level setting
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Bright blue lights improve visibility and control
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Enhances keyboard sounds accurately
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Features like aux channel, USB MIDI, and digital audio support versatile setups
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Separate stereo outputs for monitor and mains, with mono switch option
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Crystal clear sound for monitors/FOH, improving overall audio quality
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Allows linking multiple units for extended channel support
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USB connectivity for seamless integration with Macs
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Unique feature to mix in vocal monitor inputs without feedback loop
CONS
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Power supply sensitive to power strips, causing noise issues at higher gains
Critic Reviews
Based on 0 Reviews and 0 Ratings
Artist usage
Add artist
At 12:18 on this rig rundown video, Jordan explains the way he uses the Radial KL-8 mixer. This video shows his keyboard rig for Dream Theater's tour 2019.
At 46:37 in the "Keith Urban Rig Rundown for High and Alive Tour 2025" video by Premier Guitar, Keith Urban is shown using a Radial KL-8 Rackmount Keyboard Mixer as part of his amp rack during a live performance.
An unused KL-8 was listed by Cannata on Young the Giant's Reverb.com shop in 2022.
Mint condition Radial KL-8 rack-mount keyboard mixer for sale. Opened this up and realized it wasn't exactly what I was looking for for my set up so it's been sitting in the box un-used.
Hope it finds a home where it will be used !
E
Genre Usage
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Used With
Based on how musicians on Equipboard use Radial KL-8 Rackmount Keyboard Mixer, it is most commonly used with the following gear.
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