Alclair CMVK (Crankmaster) Custom In-ear Monitor

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Was $1,289.00
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Product Overview

In-ear monitors for drummers and bass players are tricky. While some give you low end, not many give you the headroom necessary for monitoring yourself. The CMVK five driver in-ear monitor features an abundance of headroom. Because of this, they are the perfect in-ear monitors for bass players and drummers. If you play on stage, you need to hear yourself and when the kick or bass is prominent in a mix, it can tend to overwhelm the entire mix.

The other thing is that in-ear monitors for drummers and bass players need to extend into the sub-audible range. Remember that first time you felt a sub-woofer rattle your chest cage? The CMVK five driver is the closest you can get to replicating that feeling in an in-ear monitor. Deep thunderous lows that you can feel with a smooth midrange and crisp highs make the CMVK the monitor of choice for bass players, drummers, rappers and DJ’s.

With five drivers made up of four woofers and one tweeter, the CMVK’s low end is clean and distortion free with plenty of headroom. It’s big and punchy and reminds you of why you started playing music in the first place.

Need more clarity but still heart pounding bass? The RevX ten driver is the finest of our in-ear monitors for bass players and drummers. Not ready to dive that deep? The Spire six driver also works well. On a budget, the Tour triple driver is the way to go.

Typical Users

The CMVK is for bass players, drummers, and bass lovers of all types. Hip-hop emcees or the DJ working out the next banger also love the CMVK. With lows that fall off the audible spectrum and into the “feel” spectrum, the CMVK is for anyone wanting to feel the passion and drive that standing in front of a wall of speakers gives you.

  • Haiti Made Custom Leather Case
  • 50″ Black or Clear Cable, Made in USA
  • Cleaning Tool
  • 1/4” Adapter
DRIVERS Five Balanced Armature Drivers
CROSSOVER Two Way Crossover
SENSITIVITY 103dB at 1Khz (100mv)
116dB at Peak (100mv)
BORES Two Bores
NOISE REDUCTION -26dB Noise Reduction


Ideal for


Warranty Information

The warranty for products listed for sale on this site varies. Please read carefully. All claims for warranty will only be considered on submitting the item in it's complete state to the manufacturer for assessment. Shipping to the manufacturer for warranty claims is the sole responsibility of the purchaser.

All claims deemed outside of terms of warranty will be denied and a quote for repair will be issued. Repairs costs are the responsibility of the purchaser.

Alclair Audio warrants their products against defects in material and workmanship for a period of two (2) years from date of purchase. During this period Alclair Audio will, at its option, repair the defective unit or replace it. Cables are NOT covered under warranty.
The warranty does NOT cover:
  • Damage due to abuse, misuse, or accident.
  • Damage due to operation contrary to the instructions in the product instruction manual.
  • Units on which the product serial number has been removed or altered.
  • Units that have been serviced by unauthorised personnel.

All implied warranties, including warranties on merchantability and fitness, are limited in time to the length of this warranty. Alclair Audio’s liability is limited to the repair or replacement of its product. Alclair Audio shall in no way be held liable for incidental or consequential damages resulting from the use of their product, including, without limitation, damages from loss of business profits, hearing damage, business interruption, or other pecuniary loss.

Alclair Audio reserve the right to inspect any product that may be the subject of any warranty claim before repair is carried out. Final determination of warranty coverage lies solely with Alclair Audio.

If it is determined that the product does not meet the terms of our warranty, you will be billed for the repair. Appropriate shipping charges will be applied. Payment will be required in advance.


(3 reviews) Write a Review

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  • 5
    Alclair Crankworks

    Posted by Pat Savage on 8th Sep 2020

    These are a piece of art with the sound to match....great balance of lows and mids for any drummer, and Earzone were a pleasure to deal with.

  • 5

    Posted by Unknown on 19th Oct 2019

    Love these in-ears. They are comfortable and reliable, block out heaps of room sound too. In retrospect I would not have purchased the hardcase since the standard one is sturdier then I would have expected

  • 4
    Crankmaster Alclair IEM

    Posted by Tom Sanderson on 9th Jul 2018

    The customer service has been great. The actual IEM's however are slightly disappointing. The left side earpiece fits really well. The right side was not repaired very well and had some sharp edges around the hole where the speakers exit. This was from the repair of the loose driver I imagine. I have managed to sand it back with very fine paper and while it doesn't fit quite as well as the other side, I think I can make it work. The sanding has definitely stopped it from cutting into my ear. They sound great when I get the right one in the right place. With a little more judicious sanding, I think I'll get it to work. Thanks to your staff - they have been great. Regards, Tom