Incorporating dozens of high-fidelity speaker emulations in a compact, streamlined box that allows you to instantly dial in sweet spot tone at any volume, the Universal Audio OX Amp Top Box Attenuator is a paragon accessory that provides prime tone in any location. Built around UA's formidable Dynamic Speaker Modeling technology, the OX Amp Top Box easily captures the coveted sound of near-breakup tube tone and lets you tweak it to your particular taste in a few minutes flat.

Product Specs

  • OX Amp Top Box Attenuator
  • Silver/Brown/Black
  • 2010s

From the Price Guide

Reviews for the Universal Audio OX Amp Top Box Attenuator
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  • If you are considering... BUY ONE!!

    Verified Purchase

    Dude. I wavered for a little while before pulling the trigger on get a UA Ox box... that was a mistake! I've had a Kemper before (used it in stereo and everything), I've used other attenuators (even those build by boutique amp builders), as well as impulse response/Eq based cab simulators...etc. …

    2 people found this helpful

  • Great functions, a few steps from perfect, worth the price!

    That this box is often lumped in with other amp power soaks or attenuators on the market is selling it very short. The attenuation is very good, and I don’t hear it messing with the tone or feel (except that loud is loud, quiet is quiet and that does feel a little different). On the plus side is gre…

    1 person found this helpful

  • OX

    Verified Purchase

    Best gear ever purchased well done UA! Wifi is a little troublesome but a workaround was available.

  • New ox amp top box

    Verified Purchase

    Have only had for 2 weeks. It’s a good attenuator, a nice way to set volume while u crank your tubes. Headphone jack a nice plus. It does a lot more. Just taking time to really see how many things we can do with it

  • game changer

    you need one of these. love vintage king!