H2 Audio Helios 5011 500 Series EQ

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A powerful, classic equalizer design ready to transform your tracks in your 500 series Lunchbox!

The 5011 is the EQ section from the 0011 in a 500 Series package. Featuring an electronically balanced input and transformer balanced output with amp circuit, and the exact same EQ circuit as the 0011.

Helios Type 69 consoles were used on countless classic recordings and have earned their way into the hearts and minds of modern enthusiasts who desire a sound and character to be heard along with their music. The folks at H2 Audio have recreated this for you in the modern day, in the popular and convenient 500 series format.


  • 3 Band EQ Design
  • High: 10kHz
  • Mid: 700Hz - 6kHz, switchable peaking
  • Bass: 60Hz - 300Hz boost range, 50Hz cut range from -3dB to -15dB
  • Bypass
  • Single Slot 500 Series
Our ONE WITH EVERYTHING ZEN WARRANTY extends the standard manufacturer warranty by one year, see our ZEN WARRANTY page for details.