Universal Audio OX Amp Top Box
The ultimate tone from your tube amp – anywhere, at any volume
Premium analog reactive load box – 5 finely-tuned guitar amp attenuation levels – Rig control for instant album-quality mic and speaker cabinet emulations – UA Dynamic Speaker Modeling with speaker breakup and cone cry – Selectable 4, 8 and 16-Ohm operation – Front-panel headphone out – Balanced TRS line outs – Wi-Fi control from mobile devices – S/PDIF digital output – Rated for amps up to 150 W (200 W peak) – Built for years of home and studio use that includes 17 speaker cabinets, eight close mics and six room mics, as well as studio-grade compression, delay, EQ, and plate reverb. And at least one easter-egg (looper via foot-switch).
“OX is pre-approved by the Landlord Associations of the Americas, EU and Japan.
And all of your neighbors.
Especially that lady in 2B.”
Ox, Mesa Boogie, Thiele 806 
“The OX app for Mac and iPad displays your selected speaker cabinet and allows you to choose from a large selection of microphones, adjust their positions, alter the damping of the room, and add studio-quality compression, delay, EQ, and reverb to create your own custom Rigs.” 
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