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Radial KL-8 Rackmount Keyboard Mixer Demo

Rackmount Keyboard Mixing Station with 4 Stereo Analog Inputs, MIDI and USB Connectors, Stereo Aux Send/Receive, 2 Headphone Outputs, and Cue Switches
7 Write review Item ID: KL8d1

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Radial KL-8 Rackmount Keyboard Mixer
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Take Command of Your Keyboard Rig

Achieve full command over your keyboard rig with the Radial KL-8. This rackmount mixing station includes four stereo analog inputs for your keyboards, along with MIDI and USB connections for your laptop soft synths. You also get a stereo aux send/receive, which is great for integrating reverbs, delays, and other hardware effects. Practice and record silently, thanks to a built-in headphone amp and dual headphone outputs. Beyond that, each input channel features a cue switch, which makes silent patch adjustment and playback testing a breeze. The KL-8 features high-quality 24-bit/192kHz AD/DA and transformer-isolated XLR main outputs to ensure top-shelf sound. The KL-8 is a must-have, both onstage and in the studio.

Related Videos: KL-8 Rackmount Keyboard Mixer

Redundant USB ports — a rock-solid insurance policy

When you’re in the midst of a make-it-or-break-it performance, equipment failure isn’t an option. Radial knows this — that’s why the KL-8 is equipped with redundant USB ports. The secondary port allows you to keep a backup laptop ready. In the event of disaster, simply hit the USB select switch, and you’re good to go — crisis averted.

Built-in headphone amplifier and dual headphone outputs

One of our favorite features of the Radial KL-8 here at Sweetwater is its dual headphone outputs, which are powered by a high-quality built-in headphone amplifier. Use them to practice and record silently or cue up individual inputs onstage without feeding the signal out to your audience. Each of the KL-8’s inputs features a cue switch that routes its signal to your headphones for silent patch adjustment and playback testing over USB — all without affecting your performance.

Radial KL-8 Rackmount Mixing Station Features:

  • 4 stereo analog inputs for your keyboards
  • MIDI and USB connections for your laptop soft synths
  • Redundant USB ports safeguard against equipment failure
  • Aux send/receive for integrating reverbs, delays, and other hardware effects
  • Dual headphone outputs and built-in headphone amplifier
  • Cue switch on each input channel routes its signal to your headphones for silent patch adjustment and playback testing
  • High-quality 24-bit/192kHz AD/DA and transformer-isolated XLR main outputs for top-shelf sound

What is Demo Gear?

At Sweetwater, we're so picky that what we call a "demo" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

What demo means to us is that we've had it out of the box, or maybe it was in a customer's hands for a few days and isn't "factory fresh" as a result. Every demo item we sell has Sweetwater's 2-year Total Confidence Coverage™ warranty, and has been tested and verified up to "new" specs by our factory-authorized technicians to make sure it's in perfect working order before we ship it to you.

When you buy a Demo item at Sweetwater, you get:
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  • Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
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  • Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Demo equipment. Purchasing demo gear from Sweetwater is a smart and safe way to save!

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Tech 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.
  • Manufacturer Part Number: R800 1428

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Customer Reviews

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KL-8 is essential

If you have 4 or 5 boards in your rig, you need this. Setting the levels is so easy, and it has tons of headroom. Those blinding blue lights are easy to see so you can run one or all boards and mute anything. I run into a focusrite 18i20 and into a set of Yamaha monitors, so practice and recording is always hooked up. I even run an effects loop out of it for my old Juno 106, and brought new life to it. The KL-8 made it easy to play different combinations of boards together. I may but a second KL-8 and add more boards yet. Great product! Love it and it looks bitchin too.
by Ron Wrolson from Tacoma, WA on
Music background: Guitars, Keys, Songwriting, Recording

yes you do hear things you did not before

I never write reviews...but l had to on this one..first time l used it l was feeling it.....your keyboard sounds more accurately than before....nice piece of gear
by ANGELO TINSLEY from Tampa, FL on

Premier quality and features

I play two or three keyboards in a band, sometimes hook up an iPad-based synthesizer, and like having a local monitor to check the keyboard mix going to FOH. I had a cobbled-together approach that was messy so started looking for a rack-mounted 1U mixer to bring it all together. Jeremy, my sales engineer, helped me understand the range of products Sweetwater carries in this category. This Radial mixer is a dream machine with four line-level inputs, an aux channel send/receive, and an insert capability, with everything in stereo. The fourth channel also supports USB-based MIDI and digital audio, perfect for running tablet or laptop synths. There are separate stereo (dual XLR) outputs for monitor and for mains, each of which can be switched to mono mode (e.g., if you have just a mono monitor). It's super quiet and solidly built. To me, it is definitely worth the price.
by Thom B. on

Perfect Keyboard Line mixer and USB interface

I had been using a small 8 channel mixer on stage and in my home studio for my keyboard rigs. Our sound engineer one day told me hey look at this KL-8, it will give you a more pure sound out of your keyboards. And Geez was he ever right! The KL-8 provides crystal clear sound back to the monitors and/or FOH! Switching to these line mixers was the absolute best move. They can be linked together for more than 4 channels, and they provide great USB connectivity to a Mac (can't speak for a PC). If you use IEMs it even has a feature that you can bring your vocal monitor mix inputs into the KL-8 via the aux channel and a set a switch to NOT route that vocal monitor mix back out your KL-8 mains (which would be a disaster feedback/loop wise). Thus when you listen through your IEMS from the phone jack you hear your keys AND the vocal monitor mix but only the keys are going to FOH. Incredibly useful feature which prevents you from having to buy an IEM transmitter/receiver if you are stationary like most keyboard players. You won't be disappointed!
by Vernon from San Antonio on
Music background: Professional Keyboard Player

Quite a difference

What struck me was using the included headphone amp for my IEMs. I noticed subtleties in my keyboard sound that I had no idea were there. It wasn't inexpensive, but it definitely makes a fabulous difference. The old adage, "buy once, cry once" was easily proven with this purchase. Nice job, Radial!

(And also Sweetwater's excellent service and support, but that's in every review, right?)
by Mike Kivett from Missouri on
See also: Pedals, Radial, Radial Line Mixers, Radial Rackmount Mixers, Radial Keyboard Pedals
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