Universal Audio OX Amp Top Box – reactive load box for guitar amplifiers with advanced recording system.
Universal Audio OX Amp Top Box is a premium reactive load box for guitar amplifiers that enables silent recording of high-quality tube amp tones. With breakthrough UA Dynamic Speaker Modeling and UA Dynamic Room Modeling technologies, OX faithfully simulates not only speaker cone resonance and "cone cry" effects, but also the acoustics of a recording room. Four studio effects in legendary Universal Audio quality complete the package. Using the OX Mobile or Desktop app, you can create any combination of cabinets, rooms, microphones and effects, storing them in one of six memory slots. Additionally, you can connect a guitar speaker with volume control in five stages.
KEY FEATURES
- Reactive load box for guitar amplifiers up to 150 W
- UA Dynamic Speaker Modeling for detailed simulation of all speaker components, includes 17 different guitar cabinets and 6 high-end microphones
- UA Dynamic Room Modeling for room acoustics simulation, includes 6 room microphones
- Master Effects: 4-band EQ, 1176 SE Compressor, Stereo Modulated Delay, and Stereo Plate Reverb
- 6 memory slots for complete rigs (cabinets, microphones, room, and effects)
- Room control for direct room acoustics adjustment
- Speaker Volume switch for connected cabinet volume control in 5 stages (from silence to full band level)
- Separate volume controls for line output and headphone output
- Impedance selection: 4 Ω, 8 Ω, or 16 Ω
- WiFi connectivity for control via OX Mobile or Desktop app (MacOS, iOS)
TECHNICAL SPECIFICATIONS
- Maximum Power: 150 W
- Impedance: 4 Ω, 8 Ω, 16 Ω (switchable)
- Audio Outputs: Stereo Line Out (2× 6.3 mm TRS jack, balanced), Headphone Out (6.3 mm stereo jack), Speaker Out (to guitar cabinet)
- Digital Outputs: S/PDIF (coaxial RCA and optical TOSLINK)
- Inputs: 1× Mono (from amplifier), footswitch input
- USB: 2× USB Type-A, 1× USB Type-B
- Wireless Connectivity: WiFi
- Power Supply: 100-240 V AC, 50-60 Hz (adapter included, 12 V 1500 mA)
- Maximum Power Consumption: 18 W
- Dimensions: 381 × 138 × 230 mm (with rubber feet)
- Weight: 6.4 kg (14.1 lbs)
- In-the-Box Content: Universal Audio OX Amp Top Box, universal power adapter
