Item #: UAD OX LIST

Universal Audio OX Analog Reactive Load Box for tube guitar amps

Exclusive 12, 8, 5 or 3 Easy Payments on Universal Audio OX Analog Reactive Load Box for tube guitar amps only at AMS! Free 2 Day Shipping & Free Extended Warranty. Call our Gear Experts at 800-319-9043 for expert advice!

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Product Description

Ultimate Tone, Anywhere, Any Volume! OX Amp Top Box is a premium reactive load box, allowing guitarists to play and record their tube amp in its ideal sweet spots — from the edge-of-breakup to fully cranked — at any volume level, and with instant album-quality mic, room, and speaker cabinet emulations at the turn of a knob.

Universal Audio OX Amp Top Box Features

  • Premium, no-compromise analog reactive load box for tube guitar amps
  • Five finely-tuned guitar amp attenuation levels — from off, to whisper quiet, to full band volume
  • Front-panel “Rig” control for instant, album-quality mic and speaker cabinet emulations
  • UA Dynamic Speaker Modeling emulates speaker breakup and cone cry 
  • World-class Universal Audio EQ, compression, delay, and reverb effects built-in
  • Selectable 4, 8, and 16-Ohm operation 
  • Front-panel Headphone out for silent practice with cranked tones
  • Balanced TRS line outs, and S/PDIF digital outputs for stereo recording 
  • Pair with OX mobile or desktop app over Wi-Fi for editing and saving presets 
Featuring Universal Audio’s breakthrough Dynamic Speaker Modeling, OX emulates speaker breakup and cone cry like no other box on the market. It’s the world’s finest boutique speaker attenuator and guitar amp recording solution — overbuilt for years of home and studio use.

Now You Can:
Get the ultimate tone out of your tube amp — anywhere, and at any volume

Pair your amp to the world's best reactive load, with boutique UA analog quality — built for years of home and studio use

Instantly audition dozens of album-quality mic and guitar cabinet setups with front panel "Rig" control

Get authentic "edge of destruction" tones complete with speaker breakup and cone cry, thanks to UA Dynamic Speaker Modeling

Best in Show Summer NAMM
OX Amp Top Box was a WINNER at this year's 2017 Summer NAMM!

Helpful Info about the Manufacturer
Phone:  866-823-1176 Warranty:  All Universal Audio hardware is warrantied for one year from date of purchase. (parts and labor)
Chris Cuevas Submitted: 9/5/2018
Product Rating
verified
Subject
This thing is all that and a bag of chips!!!
Product Rating
What is your opinion of this product?
Universal Audio OX Box, I was very reluctant to make this purchase, as it is quite a monetary investment. But I very quickly realized that I was the winner in this transaction!! It's one of those "I don't know how I ever got along without it" things! Best attenuator on the market! Best cabinet simulator on the market! My actual amp speaker cab cost about 3/4 of what the UA Box cost, and it can't change, I'm committed to a 4×10 open back cabinet forever. With all of the speaker and mic combinations stuffed in the UA Ox Box, I'm easily well over $20,000 in gear essentially. It's a no brainer, do yourself a favor and try this thing out. You WILL NOT be disappointed!! I'm not a bedroom guitar player, my band gigs about 200 plus shows a year, so this review is of a product that really is being put to the test night after night.
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R. Silva Submitted: 8/15/2018
Product Rating
verified
Subject
Great for tube Amps, specially vintage tube Amps!
What is your opinion of this product?
Design to work with the tubes Amp Output (power Amp) stage, the output signal is send to the speaker in the combo or speaker cabinet ( as long as the speakers are the right ones for the power amp’s output power) also the amp’s output signal can be processed with speaker cabinet modelers (included in the OX accessed via Wi-Fi and a software app) and send to a Console, recording Interface, monitors and headphones, just the tube amp power-volume “attenuation” or “soak” is very good, in my experience with this device, leve 0 is for headphone use, level 1 is very low just to practice because you still don’t have full harmonics and dynamics response, But from Level 2 and up you really feel and hear the amp’s dynamic response and the harmonics and juice that you will hear and feel from a full throttle tube Amp. Highly recommended for tube amp lovers especially vintage tube amp’s without master volume.
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cbower Submitted: 7/22/2018
Product Rating
verified
Subject
Excellent product for Mac or iPad users
What is your opinion of this product?
This product is in a class by itself, I'm able to record solid tube amp tones with no fuss or time consuming fiddling. Nice, usable presets put you in the ballpark. Buyers need to understand that Windows and Android phones or tablets are not supported yet. But if you have a Mac or iPad, you're golden.
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Phil Parcell Submitted: 7/21/2018
Product Rating
verified
Subject
Great device for recording and studio
What is your opinion of this product?
Great for playing high watt valve amps at low volume. Great selection of cabs and room styles for recording. App is relatively straight forward too with some good editing options.
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Jake R Submitted: 7/21/2018
Product Rating
verified
Subject
The best piece of gear I’ve ever purchased
What is your opinion of this product?
You can search online and find a million reviews telling you about the excellent quality of the OX, and they are 100% accurate. Playing quietly at home without sacrificing tone whatsoever. Playing live and having the perfectly mic’d amp no matter who is running sound. Besides all of those qualities, the best thing is the OX inspires me to pick up my guitar more than ever before. Any piece of gear that brings that kind of joy is worth every dollar. If you are reading this review, I assure you that your purchase will be one of the best decisions you have made regarding gear. AMS was professional and awesome as always. Thanks UA and AMS!!!!
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Johnathan Submitted: 4/15/2018
Product Rating
verified
Subject
Unusable
What is your opinion of this product?
A line 6 spider will get a more realistic sound than this. All functionality is locked behind iPad and Mac apps so make sure you have an extra $1000 to spend buying functionality that should be on the knobs.
AMS Responds:
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Scottyranks Submitted: 4/8/2018
Product Rating
verified
Subject
Powerful and pretty perfect
What is your opinion of this product?
Ok, prior reviews slagged this thing a bit...what were they hearing? It sounds amazing and it’s hugely flexible. If you have amps that you love this will let you use them anywhere, even the headphone level kills. Pricey, yep, but you get what you pay for.
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Josh Submitted: 4/3/2018
Product Rating
verified
Subject
Simple to use, very effective
What is your opinion of this product?
I researched this Ox box thoroughly, and it’s competitors. It sounds amazing, and does it all while being SUPER easy to use. Just dial in your sounds, then play.
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Dustin Submitted: 2/9/2018
Product Rating
verified
Subject
Pc users beware
What is your opinion of this product?
Was really excited for this but upon arrival turns out all the reviews that say it works with PC and Mac were wrong. This only works with macs and newer iPads (my iPad 3 won’t run the software). So it’s basically an expensive attenuator as you can’t edit any of the settings or cabinets. Really disappointed.
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Archer Submitted: 2/6/2018
Product Rating
verified
Subject
Does not support windows
What is your opinion of this product?
I watched the demos on this and universal audio said its app would support Mac or Pc but it only supports a Mac. I was not able to check out the digital side as my studio is windows based and my phone is android. The reactive attenuator is good at most for 2 clicks after that your amp starts to sound like there is a blanket over it or its down the hall in another room. I am told there is no release date for Windows support at the moment. I gave it a 2 for these reasons.
AMS Responds:
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