Universal Audio Ox Amp Top Box
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Universal Audio introduces OX Amp Top Box - a premium reactive load box and guitar recording system, giving you perfectly studio-miked amp sounds from your favorite tube amp. Quickly dial in sweet spots for hundreds of the world's most famous tube amps via an intuitive mobile or tablet app, processed by UAD high-quality hardware built to the highest pro recording standards.
Get Legendary Studio Tones from your Tube Amp — Anywhere, at Any Volume.
With USB, Line Outputs, S/PDIF, Footswitch connectivity and Speaker Outputs, Ox Amp is ready to serve as the centerpiece of your guitar recording rig. A beautifully designed software app offers seamless wireless control over effects, modelling and tone controls - all designed to be as intuitive as possible.
OX lets you play and record your amp in its sweet spots — from huge clean tones and edge-of-breakup to fully cranked — at any volume level, and with mic, room, and speaker cabinet emulations at the turn of a knob.
Featuring Universal Audio’s breakthrough Dynamic Speaker Modeling, OX is the first system to accurately emulate speaker drive, breakup, and cone cry — making it the world’s finest speaker attenuator and guitar amp recording solution.
Key Features
- Premium, no-compromise analog reactive load box and guitar recording system for tube guitar amps
- Instant album-quality mic and speaker cabinet tones via front-panel RIG control
- Get record-ready sounds quickly with expertly-placed virtual mics and cabs —no amp miking required
- Five finely-tuned guitar amp attenuation levels, from completely silent to whisper quiet to full band volume
- UA Dynamic Speaker Modeling emulates speaker drive, 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 stereo recording
- Pair with the OX mobile or desktop app over Wi-Fi for editing and saving RIG presets
The World’s Best Reactive Load Box
With decades of analog hardware engineering expertise, Universal Audio’s dream team of engineers set out to design a reactive load box that retains the tone, dynamics, and feel of your tube amp — no matter how much it’s attenuated. The goal was for your tube amp to “see” OX as an actual speaker — with continuously variable impedance and response — so you don’t lose a drop of tone or playing dynamics. Mission accomplished. Just plug your tube amp’s speaker output into OX, and then plug OX’s output into your cabinet, and you’ll enjoy your amp’s natural tone like never before.
A Complete Guitar Recording System
OX’s front-panel, six-position RIG control allows you to quickly choose from complete setups — including emulated speaker cabinets, close mics, ambient room mics, and up to four simultaneous studio effects. OX is also the only guitar recording system to offer a complete selection of expertly placed room mics, giving you the authentic experience of pushing air while recording your cranked amp in a world-class tracking room.
Dynamic Speaker Modeling
UA’s groundbreaking Dynamic Speaker Modeling faithfully emulates speaker breakup, drive, and cone cry - an essential ingredient to organic tube amp tones. Using the Speaker Breakup knob in the OX app, you can control the harmonics and sonic complexity that occurs only at certain frequencies and volume levels on various speakers — far beyond a static Impulse Response system — giving you the same sonic phenomenon that occurs with a real speaker cabinet.
A Beautiful Software App
Most guitar products do digital awkwardly. They’re ugly and hard to understand. The OX software app, on the other hand, offers slick, intuitive control over all of OX’s RIG settings via WiFi — letting you tweak, store and recall hundreds of presets from your iPad or Mac. You can then save your six favorite sounds onto OX’s front-panel RIG knob for instant recall in the studio or at a gig.
All The Right Connections
Not only does OX Amp Top Box feature a front-panel headphone jack for silent practice with your cranked tube amp, it also sports a bevy of connections for all kinds of recording and live workflows. S/PDIF RCA and optical TOSLINK digital stereo outputs, as well as balanced TRS stereo line outputs with front panel level control, give you the necessary connections for studio monitors, DAW, or live mixing console inputs.
| Manufacturer | Universal Audio |
|---|---|
| SKU | 174336 |
| Shipping Weight (kg) | 9.070000 |
| MPN | OX |
| Warranty | 2 Years |
| Series | UAFX Series |
Extended Christmas Exchanges
For orders placed between 12th November and 24th December 2024, you’ll have until 31st January 2025 to exchange your purchase for a product of the same value, or pay the difference for a more expensive piece of gear. Find out more*.
Delivery
We have a wide range of Delivery Options available, depending on the value of your parcel and budget. Select from our 2-3 Day Saver Service or our Next Working Day options at the Checkout.
This will include a text or email on the day of delivery giving you an exact hour window of when your gear will be with you, and the drivers name - just so you know when to turn the volume down!
- Free Delivery Available on Selected Products
- Weekend UK Mainland Delivery (Saturday-Sunday): £19.99
- Small Items (Under 750g) Small items will be delivered by Royal Mail starting from 99p
- Heavy Items (Over 30kg): Pallet Service Doorstep Delivery £65
For heavy items, courier details, out of stock products, out of area postcodes or international deliveries see our full Delivery info here.
Collection
Rather not wait in for the delivery? Don’t worry, we’ve got you…In Stock items can be ordered and paid for in-advance Online via our Click & Collect service. As long as if it's in stock at your chosen branch, you can collect the item within the hour.
Click here for more about our local Click & Collect Service.
Returns
If you and your item aren’t getting along, you have 14 days from when you receive the goods to contact our PMT experts either by phone or email to return your item.
*Please note, we cannot accept returns of:
- Special/Custom Orders - Any order that is custom or has been personalised.
- Products with Hygiene Seals - Microphones, any in-ear earphones, monitors, orchestral instruments with mouthpieces and any other items that touch your mouth, nose or inner ear if you have broken the hygienic seal on the packaging.
- Software & Media - Any software or media that has been opened or registered via physical or digital means.
- Any product containing a valve, e.g valve amps are only covered for 90 days from purchase.
Click here for more information on Returns at PMT.
Online Orders
If you and your new item aren’t getting along, you have 14 days from when you receive the goods to contact our PMT Experts either by phone or email to return your item or organise an exchange for something more suitable.
Store Orders
If you've changed your mind about something you bought in-store, bring it back within 14 days of purchase and we'll be happy to exchange it for another product, a gift card or store credit.