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DBX 166XS Dual Compressor Limiter Gate Item #77559

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DBX 166XS Dual Compressor/Limiter Gate

Bring a more professional sound to your mix

Adding a dbx 166xs Compressor/Limiter/Gate to your live sound rig or studio gives you more dynamic control to help create a more polished, professional sound. Having compression in your audio chain gives you the ability to smooth out uneven levels, add sustain to guitars and fatten up your drums. It also makes it easy to bring vocals to the front of your mix – adding greater clarity and making them stand out from the surrounding instruments. To protect your expensive amps and speakers the PeakStop limiter provides an absolute ceiling for peak excursions or large transients that could damage your equipment. dbx knows compressors, after all we invented them! The 166xs is the latest in a long line of the world’s most successful compressors from the inventors of the technology. Its patented Overeasy compression technology provides smooth and musical performance while the AutoDynamic attack and release controls, found only on dbx compressors, puts great sound within easy reach. The 166xs can operate in stereo or dual-mono modes, has true RMS power summing and features quality XLR and ¼” TRS inputs and outputs. It cuts no corners on visual feedback with gain reduction metering and easy-to-read backlit switches.

Features Include:
  • Error-proof operation to smooth uneven
  • levels, add sustain to guitars, fatten drums or tighten up mixes
  • New gate timing algorithms ensure the smoothest release characteristics
  • Program-adaptive expander/gates
  • Great sounding dynamics control for any type of program material
  • Separate precision LED displays for gainn reduction, compression threshold and gate threshold allow quick, accurate setup
  • Stereo or dual-mono operation Balanced inputs and outputs on 1/4” TRS and XLR connectors
  • Side Chain insert
  • Classic dbx “Auto” mode
  • 1/4” TRS, female XLR (pin 2 hot)
  • Type: Electronically balanced/unbalanced, RF filtered
  • Impedance: >50kO Balanced, >25kO unbalanced
  • Max Input Level: >+24dBu balanced or unbalanced
  • Connectors: 1/4” TRS, male XLR (pin 2 hot)
  • Type: Electronically-balanced/unbalanced, RF filtered
  • Impedance: 120O balanced, >60O unbalanced
  • Max Output Level: >+21dBu balanced/unbalanced into 2kO or greater
  • >+20dBm balanced/unbalanced (into 600O)
  • Normalled: Tip is Input, Ring is Output
  • Tip: Impedance >10kO
  • Maximum Level >+24dBu
  • Ring: Impedance 2kO
  • Maximum Level >+24dBu
  • Selectable OverEasy or hard-knee
  • Threshold Range -40dBu to +20dBu
  • Compression Ratio Variable; 1:1 to Infinity:1; 60dB Maximum Compression
  • Attack Time Variable program-dependent; 3ms to 340ms for 15dB
  • gain reduction
  • Release Time Variable program-dependent; 200dB/Sec to 3dB/Sec
  • Threshold Range OFF to +15dBu
  • Expansion Ratio 10:1
  • Maximum Depth >60dB
  • Attack Time <50µSec (from Maximum Depth)
  • Release Time Adjustable, 30ms to 3sec (to 30dB attenuation)
  • Threshold Range 0dBu to +20dBu
  • Frequency Response: 20Hz - 20kHz, +0/-0.5dB, Typical 3dB points
  • are 0.35Hz and 110kHz, unity gain
  • Noise: <-90dBu, 22Hz to 22kHz, no weighting, unity gain
  • THD+N: Typically <0.04%; Any Amount of Compression Up to
  • 40dB@1kHz
  • SMPTE IMD: Typically <0.08% @ +10dBu (15dB Gain reduction)
  • Dynamic Range: >115dB, unweighted
  • Interchannel Crosstalk: <-80dB, 20Hz to 20kHz
  • Common Mode Rejection: >40dB, typically >55dB @ 1kHz
  • Stereo Coupling: True RMS Power Summing
  • Power Requirements 15 Watts
  • Operating Voltage 100 VAC 50/60Hz; 120VAC 60Hz; 230 VAC 50/60 Hz
  • Operating Temperature 32°F to 113°F (0°C to 45°C)
  • Dimensions 1.75” x 6.75” x 19” (4.5cm x 17.15cm x 48.26cm)
  • Weight Net Weight: 5.05 lbs/2.29 Kg
  • Shipping Weight: 7.20 lbs/3.27 Kg
  • Note: 0dBu = 0.775VRMS

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by PowerReviews
DBX 166 XS Dual Compressor Limiter Gate

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



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  • 1 Stars



Reviewed by 1 customer

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NICE piece of gear!

By Voice of Americana

from Nashville, Tennessee

About Me Experienced

Verified Buyer


  • Clear Sound
  • Easy To Use
  • Powerful
  • Professional Functions
  • Versatile


    Best Uses

    • Home Studio
    • Professional Recording

    Comments about DBX 166 XS Dual Compressor Limiter Gate:

    I'm a voice actor with many years of music experience and quality recording behind me. This unit lives up to the standard of excellence I would expect from DBX. Keeping my audio chain making top notch sound.

    Displaying review 1

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    Do you have questions about this product?

    get answers from real customers and in-house experts with AnswerBox.

    2 Questions | 2 Answers
    Displaying questions 1-2
    • Q:

      I keep blowing speakers....mostly when useing a microphone...I have a Crown amp 2000 and only two large mid rangle speakers..will the limiter help..?
      Asked on 3/25/2012 by Joe from Key West, Fl

      1 answer

      • Staff Reviewer


        That is correct, the DBX 166XS Dual Compressor/Limiter Gate will maintain all volume levels the same.

        Answered on 3/26/2012 by DJ Menergy from Santa Ana, CA
    • Q:

      is it true that the limiter can eliminate the hum sound of an amplifier?
      Asked on 1/10/2012 by audioman from burgos,ph

      1 answer

      • Staff Reviewer


        A compressor/limiter can be used for many different applications, but if you are specifically trying to combat hum, I would suggest using an Ebtech Hum Eliminator-2 in your set up.

        Answered on 1/17/2012 by Todd from Cypress, CA
    Displaying questions 1-2

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