SKU: 18932713581

Kopul HMX-2 Humbuster - Dual-Channel Hum Eliminator with XLR and 1/4" Connectors

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Description

Kopul HMX-2 Humbuster - Dual-Channel Hum Eliminator with XLR and 1/4" ConnectorsEliminates 60 Hz Ground Loops Silences Unbalanced Cable Buzz and Hum Can Be Used as DI Box Preserves Signal Integrity Converts Balanced and Unbalanced Signals Works with 1 4" and XLR Connectors +4 dBu or 10 dBv Fully Passive Design No External Power Required Rugged Metal Enclosure Designed for studio, DJ, and live sound applications, the Kopul HMX 2 Humbuster is a dual channel hum eliminator with both XLR and 1 4" (6. 35mm) TRS TS input and output

  • Eliminates 60 Hz Ground Loops
  • Silences Unbalanced Cable Buzz and Hum
  • Can Be Used as DI Box
  • Preserves Signal Integrity
  • Converts Balanced and Unbalanced Signals
  • Works with 1/4" and XLR Connectors
  • +4 dBu or -10 dBv
  • Fully Passive Design
  • No External Power Required
  • Rugged Metal Enclosure

Designed for studio, DJ, and live sound applications, the Kopul HMX-2 Humbuster is a dual-channel hum eliminator with both XLR and 1/4" (6.35mm) TRS/TS input and output connectors. Using a fully passive design, without the need for external power, the device can eliminate unwanted 60 Hz hum and buzz caused by ground loops in your signal path.

Housed in a road-worthy rugged metal enclosure, the device can be inserted between any two pieces of line-level equipment at +4 dBu or -10 dBv to quiet hum and buzz caused by excessively long unbalanced cable runs, or when a connection path forms between the grounds of two pieces of equipment in the signal chain. Ground loops are removed while preserving the integrity of the original signal.

The device will automatically convert between balanced and unbalanced signals (and vice versa) when the 1/4" (6.35mm) TRS/TS and XLR connectors are used in any combination. This also allows the Humbuster to be used as a direct box for connecting the unbalanced output signal of a musical instrument directly to the balanced input of a mixing console. The design utilizes high-quality internal components and gold-plated XLR connectors to reduce noise and maintain the fidelity of your signal.

Eliminates Hum
Removes unwanted 60 cycle hum and buzz caused by ground loops
Quiets Cable Noise
Reduces interference and noise caused by excessively long unbalanced cable runs
Preserves Signal Integrity
Removes hum and buzz without compromising signal quality
Balanced to Unbalanced Conversion (and Vice Versa)
Allows you to automatically convert between balanced and unbalanced signals
Direct Box
Allows you to directly connect the unbalanced output of a musical instrument to the balanced input of a mixing console
Compatibility
Supports balanced XLR, balanced 1/4" (6.35mm) TRS, and unbalanced 1/4" (6.35mm) TS input and output connectors
UPC: 847628587311
Inputs 2x 1/4" (6.35 mm) TRS/TS
2x XLR-3F
Outputs 2x 1/4" (6.35 mm) TRS/TS
2x XLR-3M
Frequency Response 20 to 70,000 Hz
Distortion < 0.005 THD at 1 kHz
Crosstalk > -97 dB
Source Impedance Max: 1 kOhm
Min: 10 kOhms
Dimensions (H x W x D) 1.4 x 4.5 x 3.25" (3.5 x 11.4 x 8.3 cm)
Weight 15.2 oz (431 g)
Packaging Info
Package Weight 1.35 lb
Box Dimensions (LxWxH) 8.5 x 6.5 x 2.4"
In the Box
Kopul HMX-2 Humbuster - Dual-Channel Hum Eliminator with XLR and 1/4" Connectors
  • Limited 2-Year Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18932713581

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4.4 ★★★★★
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tonyb
Los Angeles, US
★★★★★ 5
Fit as stated
Size: 8.8" x 9.3" x 1.1"
Perfect fit for my 2013 Honda and price was great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2025
S
Shire23
Lowell, US
★★★★★ 5
Great Replacement Cabin Air Filters for my 2008 Honda Civic
Size: 2Pcs, Size: 2Pcs
Item Reviewed: CF10134 Cabin Air Filter with Activated Carbon Replacement for CP134, Fit for Honda Accord/Civic/Odyssey/CR-V and Acura MDX/TSX/TLX/RDX/Ridgeline (2 pack) ℹ️ Summary I picked these up because I needed some replacement cabin air filters for my 2008 Honda Civic. These seem like decent quality and they were a perfect fit in my car. For $15 at time of order for two air filters it was a solid deal that I can glad recommend to others. I hate writing short reviews, but there’s not much else to say about these. Here is how I rate items: 5 ⭐️ = Completely exceeds expectations. 4 ⭐️ = Works well with minor concerns. 3 ⭐️ = Does the job, nothing special. 2 ⭐️ = Some things work, but lots of issues. 1 ⭐️ = Didn’t work well, not worth it.
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Reviewed in the United States on September 30, 2025
T
TLau
Lake Worth, US
★★★★★ 4
Good fit for Acura MDX
Size: 8.8" x 9.3" x 1.1"
This is an air cabin filter that will fit many cars, and in my case a 2019 MDX. Since this kind of filter is not doing anything critical like keeping dirt out of an engine, I shop around for non-OEM filters for something that strikes a balance between price versus performance. This filter just filters out dust in a car cabin, and when we’re not in our cars, we don’t have the benefit of an air filter when we are walking around outdoors. At a fraction of the price of an Acura filter, this filter seems to strike that balance. The filter media looks sturdy and is embedded with charcoal to help absorb odors. Installation is very straightforward in my MDX, and similar in most cars. There is a compartment door inside the glovebox that first must be removed before changing the filter. Pay attention to the direction flow arrow that shows which way the filter should be installed. Overall I am satisfied with this filter. It is inexpensive, fits perfectly, and seems to do the job just fine. It is definitely worth trying if you are trying to save money.
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Reviewed in the United States on October 12, 2024
S
Shop by Interest
Draper, US
★★★★★ 5
These filters do the job
Size: 2Pcs
Fits great in my '08 Accord LX and my '19 Accord Sport 2.0t. They filter air well and are easy to install like any cabin air filter in a Honda. I am pleased. Good value for the price.
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Reviewed in the United States on October 8, 2025
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Lars A. Morgan
Chelsea, US
★★★★★ 5
Fit my 2014 Odyssey TE
Size: 8.8" x 9.3" x 1.1"
Comes with printed instructions for those who haven't changed it before. Here is the specific use case from my van. On my 2014 TE its easy to access behind the glove box, open to usual full open then just push the left and right sides in to allow the glove box to come fully out. It may pop off of the mounts, don't panic it snaps right back on. Then look for the little rectangular panel with two small levers on either side. on the black plastic under the dash that you can now see and access. Press the levers and pull towards you, doing a bit of a wiggle to get it out. Its tight, but it will come out with having to break it. Don't gorilla hands it, it will break. There is a directional arrow on the filter, which you have to remove from the wrapper before installing. Yes, someone *will* forget that. Reassembly the reverse of removal. Check that video sharing site online if you need visual instructions.
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Reviewed in the United States on September 27, 2024

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