Universal Audio
UAFX OX Stomp Dynamic Speaker Emulator
The UAFX OX Stomp is a stompbox-style dynamic speaker emulator designed to deliver studio-quality cab, mic, and room tones right on your pedalboard. It’s tailor-made to elevate amp-in-a-box modelers, profilers, and line-level signals with authentic realism.
Key Features & Highlights
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Dynamic Speaker Modeling: More than just impulse responses (IRs), the OX Stomp captures speaker breakup, cone cry, and drive dynamics for a more natural, expressive tone.
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22 Cabinet Models + 6 Vintage Microphones: Choose from a wide range of classic and boutique cabs, and mic them with close, room, and ambient mics.
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Studio-Quality Effects Onboard: Includes UA’s 1176 compressor emulation, plate reverb, stereo delay, modulation, and a 4-band EQ with high/low cut filters.
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UAFX Control App: Use the companion mobile app to edit rigs, mic placement, cab voicing, effects, and assign presets to footswitch positions.
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Analog Dry Through & Buffered Bypass: Keep your dry signal intact when the effect is off; manage signal chain integrity.
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Silent Switching & Stomp-Footswitch Access: Smooth transitions between presets/rigs without clicks, ideal for live performance.
Use Cases & Signal Flow
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Pair with any amp emulator, preamp pedal, or line-level output. Do not use OX Stomp as a load box—only use it with instrument/line-level signals.
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Outputs can feed FRFR speakers, PA/mixers, studio monitors, or recording interfaces.
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When using with amplifier heads, ensure the amp’s cab modeling is disabled (i.e. you’re feeding OX Stomp with preamp or line out).
Specifications
Specification | Detail |
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Input / Output | Stereo ¼″ TS (line/instrument) |
USB | USB-C for firmware updates & registration |
Effects | Compression (1176), Reverb, Delay, Modulation, EQ |
Cabinets | 22 emulations (1×10, 1×12, 2×12, 4×12, etc.) |
Microphones | 6 vintage mic models including condenser, ribbon, dynamic |
Power | 9 V DC, center-negative, 400 mA isolated supply |
Bypass | Buffered bypass, analog dry-through |
Switching | Silent (soft) switching, preset access via footswitches |
Dimensions & Format | Pedalboard-friendly stompbox format |
Why Choose OX Stomp?
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Elevates IRs with dynamic realism, not just static snapshots.
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Onboard FX reduce the need for extra pedals—compression, reverb, and delay built in.
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Deep control via app plus quick footswitch access to your favorite “Rigs.”
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Ideal for live & studio rigs: delivers mic’d cab tone to PA or monitors.
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Compact and pedalboard-ready—no bulky rack gear required.