Universal Audio UAFX OX Stomp Dynamic Speaker – Studio-Grade Cabs and Rooms on Your Pedalboard

The Universal Audio UAFX OX Stomp Dynamic Speaker brings the sound of world-class studio cabinets, microphones, and room environments to any guitar setup. Powered by UA’s Dynamic Speaker Modeling, it captures real speaker breakup, cone cry, and mic behavior far beyond traditional IRs.

Key Features

• Dynamic Speaker Modeling: Realistic speaker breakup and cone behavior that outperform static IRs.
• Full studio mic chain: Six vintage microphone emulations plus dynamic room modeling for true air movement.
• 22 cabinet models: A wide range of Fender, Vox, Marshall, Mesa/Boogie, and boutique-inspired speaker setups.
• Built-in studio effects: Reverb, delay, EQ, modulation, and authentic 1176 compression from UA’s premium library.
• Deep editing via app: Customize rigs, cabs, effects, and footswitch functions with the UAFX Control app.

Customer Benefits

Whether you rely on an amp-in-a-box pedal, a traditional amplifier, or a modern profiler, the OX Stomp transforms your tone with detailed cab behavior and realistic rooms. It delivers polished, mix-ready sound without microphones or complicated setups.

Quick Specs

• Cabinets: 22 models
• Microphones: 6 classic studio mic emulations
• Effects: 1176 compression, reverb, delay, modulation, EQ
• Connectivity: Stereo I/O, USB-C, buffered bypass, analog dry through
• App Support: UAFX Control for full editing

What’s in the Box

• Universal Audio UAFX OX Stomp Dynamic Speaker Emulator Pedal
• Documentation

Use Cases / Ideal For

Guitarists using modelers, amp pedals, or traditional amps who want studio-quality cabinet sound live or in the studio without miking speakers.

Pros & Cons

✅ Pros:

• Exceptionally realistic speaker and room behavior
• Huge range of cabinets and mic choices
• Studio-grade effects onboard
• Perfect companion for amp modelers

⚠️ Cons:

• Requires app for deep editing
• No dedicated power supply included

The UAFX OX Stomp brings a complete professional studio chain to your pedalboard, delivering authentic cabinet tone, mic realism, and spatial depth for any rig.