Universal Audio Apollo Solo USB Heritage Edition (Desktop/Win)
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The Entry Point to Elite Analog Tracking, Built Exclusively for Windows
The Apollo Solo USB Heritage Edition delivers the pristine sonic fingerprint of Universal Audio's legendary rackmount hardware into a highly portable, desktop-friendly format. Custom-tailored for Windows systems, this 2-in/4-out interface utilizes a high-bandwidth USB 3 connection to provide rock-solid ASIO driver stability and ultra-low latency performance across all major digital audio workstations (DAWs) like Pro Tools, Cubase, Ableton Live, and Studio One.
At the core of the Apollo Solo USB is efficiency without sonic compromise. Instead of draining your computer's memory with heavy software plugins, its internal SOLO Core processor handles your vocal chains, pitch correction, and guitar amplifiers locally. Featuring a studio-grade headphone amplifier, balanced monitor outputs, and a high-impedance instrument input, it provides everything needed to capture radio-ready tracking sessions on your desktop or on the move.
Class-Leading Audio Conversion & Pristine Playback:
The Apollo Solo USB features next-generation 24-bit/192 kHz analog-to-digital and digital-to-analog converters that punch far above their weight class. Its premium monitoring path delivers a wide, accurate stereo soundstage and an exceptionally flat frequency response, ensuring that what you hear out of your studio monitors is an exact, uncolored representation of your audio. This transparency makes it an excellent choice not just for clean tracking, but also for critical mixing, editing, and mastering sessions.
True Unison Preamp & Guitar Amp Modeling:
Universal Audio’s patented Unison Technology creates a profound physical bond between software modeling and physical hardware circuitry. When you load a licensed Unison preamp or guitar amplifier plug-in—like a classic Fender Tweed deluxe or Neve 1073 channel strip—the interface physically alters the impedance, gain-stage sweet spots, and component-level circuit behaviors of its physical inputs. Your microphones and guitars respond and break up exactly like they would through the genuine analog hardware.
Realtime DSP Processing & High-Current Headphone Drive:
Equipped with an internal SOLO Core SHARC DSP accelerator, the Apollo Solo USB handles your vocal chains and instrument effects processing within the interface itself. You can record through high-end vintage limiters, tube equalizers, and tape delays with sub-2ms latency, regardless of your DAW's current audio buffer settings. Additionally, the integrated front-panel headphone amplifier features a high-current, low-noise design capable of driving high-impedance studio headphones with plenty of volume and dynamic headroom.
The Heritage Edition Premium Software Upgrade:
This specific bundle features the Heritage Edition Suite, which includes 5 premium, highly sought-after UAD plug-in collections worth over $1,300 if purchased separately. Instead of basic software, you receive fully unlocked access to the Teletronix LA-2A Classic Leveler Collection, 1176 LN/SE Classic Limiter Collections, Pultec Passive EQ Collection, Fairchild Tube Limiter Collection, and UA 610 Tube Preamp & EQ Collection, giving you an enviable collection of classic studio processors right out of the box.
REALTIME SOLO CORE DSP: Onboard SHARC DSP processing chip runs heavy vintage analog plugins internally without draining your PC's CPU.
CLASS-LEADING AUDIO CONVERSION: Premium audio conversion delivering pristine clarity, wide stereo imaging, and exceptional transient response.
UNISON PREAMPS & GUITAR AMPS: Track through authentic hardware-level emulations of legendary gear from Neve, API, Marshall, and Fender.
HERITAGE EDITION SOFTWARE: Includes 5 premium, fully unlocked UAD plug-in collections featuring iconic compressors, limiters, and tube EQs.
HIGH-SPEED USB 3 FOR WINDOWS: High-bandwidth USB 3 connection with custom, rock-solid ASIO low-latency drivers optimized for Windows systems.
HIGH-CURRENT HEADPHONE AMP: Audiophile-grade headphone output providing pristine, loud monitoring for high-impedance studio headphones.
HI-Z INSTRUMENT INPUT: Front-panel high-impedance input custom-tailored for recording electric, acoustic, and bass guitars with Unison amp modeling.
RUGGED ALL-METAL ENCLOSURE: Heavy-duty aluminum construction built to withstand the rigors of mobile recording and travel.
| Feature | Official Specification |
| Product Form Factor | Compact Desktop 2x4 Audio Interface & Monitor Hub |
| Simultaneous Channel I/O | 2 Inputs x 4 Outputs (Analog: 2 In / 4 Out) |
| Host System Connectivity | 1 x USB 3 Type-C Port (SuperSpeed USB 3 Cable and Controller Required) |
| Supported OS Platforms | Windows 10 & Windows 11 (64-Bit Operating System Editions Only) |
| Audio Resolution | Professional 24-Bit / 192 kHz Conversion with Low-Jitter Clocking Arrays |
| Onboard Hardware DSP | UAD-2 SOLO Core Realtime Processing (1 x High-Efficiency SHARC Chip) |
| Analog Microphone/Line Inputs | 2 x Balanced XLR / 1/4" TRS Combo Inputs (Rear Panel) |
| Analog Instrument Input | 1 x 1/4" TS Unbalanced Hi-Z Input (Front Panel, Disables Mic Input 1) |
| Analog Monitor Outputs | 2 x Balanced 1/4" TRS Monitor Outputs (Left / Right Setup) |
| Headphone Output | 1 x 1/4" TRS Stereo Headphone Port (Front Panel) |
| Preamp Gain Range | +10 dB to +65 dB (Adjustable via Unison Hardware Controls) |
| A/D Dynamic Range | 121 dB (A-Weighted) |
| D/A Dynamic Range (Monitor Out) | 115 dB (A-Weighted) |
| Total Harmonic Distortion | -105 dB THD+N (Distortion Rating across Monitor output path) |
| Power Requirements | 12V DC External High-Current Power Supply Unit (Included) |
| Dimensions (W x D x H) | 7.04" x 4.76" x 1.81" / 17.9 cm x 12.1 cm x 4.6 cm |
| Net Hardware Weight | 1.38 lbs / 0.63 kg |
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