Universal Audio OX Amp Top Box / Reactive Load Box / Attenuator With the Universal Audio OX Amp Top Box, you can play your favorite valve amplifier at its sonic sweet spot at any volume level. And that's just the start — featuring UA's Dynamic Speaker modeling technology, you'll be able to access dozens of spot-on mic and guitar cabinet emulations. Premium analog components and one of the world's best reactive load circuits ensure you'll hear all the dynamics and harmonic complexity your amplifier has to offer. The OX Amp Top Box is a powerful solution for recording, allowing you to achieve those cranked-amp valve tones at any volume level. Play and record your tube amp in its perfect tonal sweet spot — anywhere, and at any volume Instantly audition dozens of album-quality mic and guitar cabinet emulations with front panel "Rig" control Pair your amp to the world's best reactive load, with boutique UA analog quality — built for years of home and studio use Get authentic "edge of destruction" tones complete with speaker breakup and cone cry, via UA Dynamic Speaker Modeling Get the ultimate tone from your valve amplifier, anywhere and any volume! Premium, no-compromise analog reactive load box for tube guitar amps Five finely-tuned guitar amp attenuation levels 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 outs for recording Pair with OX mobile or desktop app over Wi-Fi for editing and saving presets
