Ebtech HE-2 XLR 2-channel Stereo Hum Eliminator with XLR

Stereo Hum Eliminator with XLR and TRS I/O
Ebtech HE-2 XLR 2-channel Stereo Hum Eliminator with XLR image 1
Ebtech HE-2 XLR 2-channel Stereo Hum Eliminator with XLR image 1
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Ebtech HE-2 XLR 2-channel Stereo Hum Eliminator with XLR
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Effective Hum Removal!

Ground loops and unbalanced signals create noise in recording mixers, keyboards, guitars, power amps, live sound, and DJ systems. No one is immune to hum, no matter how good your rig is, so when hum occurs, you need the right tool to quickly and easily get rid of it. The HE-2 Hum Eliminator does away with system noise and ground loops quickly and easily. Extremely high-quality transformers isolate circuits, keeping grounds intact while breaking troublesome loops and balancing unbalanced gear. Since it's totally passive, it injects absolutely no noise into the signal. The 1/4" TRS and XLR in and out jacks make it easy to connect.

Ebtech HE-2 XLR Features:
  • Eliminates 50/ 60Hz ground loop hum, buzz and noise
  • Breaks ground loops safely while leaving all signal grounds intact
  • Completely passive design (requires no power)
  • Converts automatically between balanced and unbalanced lines
  • 1/4" TRS and XLR "smart" jacks inputs and output
  • Automatically translates signal voltages to match difference in ground potential
  • Frequency response 20Hz to 70kHz +/- 0.5dB
  • Distortion less than 0.005% THD @ 1kHz
  • Crosstalk better than -97dB
  • Maximum source impedance 1kOhm. Minimum load impedance 10kOhm
  • Two-Year Warranty
  • Made in the U.S.A.
  • Dimensions 3.5"L x 4.75"W x 1.5"H

Tech Specs

Type Hum Eliminator
Channels 2
Inputs 2 x XLR, 2 x TRS
Outputs 2 x XLR, 2 x TRS
Height 1.5"
Depth 3.5"
Width 4.75"
Weight 1.3 lbs.
Manufacturer Part Number HE-2-XLR

Customer Reviews

Based on 8 reviews
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Works great ! Hum eliminated !!!!
Music background: Pro Musician

It absolutely works as advertised

I purchased the Ebtech HE-2 XLR mainly to isolate the ground in my stereo tube amp setup. Without the hum eliminator on of the amps would always experience the annoying 60 cycle hum. Ground issues are always intertwining to isolate, and it turns out that I only needed to isolate one channel of the 2 amp setup (oddly the amp that DIDN'T hum) to resolve the issue. That left me with one unused channel for other hum issues. This box is worth the price just to have glorious silence as a blank tonal palate for ones guitar, keyboard, powered mixer, subs etc. I'm also a small gig sound-man so I'll be using the HE-2 XLR for many hum isolation issues in the future. This is my first Ebtech product so I can't speak to longevity, but as an amp and effects builder myself I must say this little box seems rather bulletproof. As always, my Sweetwater sales staff, Brad, made excellent recommendations. Problem solved.
Music background: Recording/gigging Musician, amp builder, electronic tech, live sound

Great build and does the job!

Use these for our church to get rid of some hum in our main speakers as well as monitor chains. They do the job and built like a tank!

Hum Eliminator Ebtech He-2 XRL

The Hum Eliminator really work, lo recomiendo, tienes que probarlo
Music background: Pro Musician

Got the job done.

I had a fairly loud low frequency hum when using a voicelive touch running through a snake to a pa mixing board. The voicelive was midi controlled by a Roland Fantom. Putting this Ebtech HE-2XLR between the module and the snake going to the mixer pretty much got rid of the hum.
Music background: dance band keyboard player
See also: Direct Input Boxes, Ebtech, Ebtech Direct Boxes