The Universal Audio Apollo Solo USB Heritage Edition is a professional 2×4 USB 3.0 audio interface designed for Windows users who want legendary analog sound in a compact desktop format. Featuring high-resolution 24-bit/192 kHz conversion and two Unison-enabled mic preamps, it delivers the character and response of classic studio hardware while maintaining exceptional clarity and detail.

Powered by onboard UAD-2 SOLO Core DSP, the Apollo Solo USB lets you track and monitor through authentic analog compressor, EQ, preamp, tape, and amplifier emulations with near-zero latency. Unison technology accurately recreates the impedance, gain structure, and tonal behavior of renowned vintage recording equipment for a true analog recording experience.

The Heritage Edition includes 25 award-winning UAD plug-ins, featuring iconic Teletronix LA-2A, 1176 Classic Limiter Collection, Pultec Passive EQ Collection, Pure Plate Reverb, Marshall Plexi, Ampeg SVT-VR, and more. Its portable desktop design, intuitive controls, and premium sound quality make it an ideal solution for musicians, producers, songwriters, and home studio creators.

Product Specifications:

Channels of I/O: 2 Inputs / 4 Outputs.

Maximum Sample Rate: 192 kHz / 24-Bit.

Built-In DSP: Yes.

Display: 5-Segment LED Meter.

Mic Inputs: 2x XLR-1/4″ Combo Inputs.

Hi-Z Input: 1x 1/4″ Instrument Input.

Monitor Outputs: 2x 1/4″ TRS Outputs.

Headphone Output: 1x 1/4″ TRS Output.

Host Connection: USB-C (USB 3.0 / 3.1 Gen 1).

Phantom Power: 48V per Channel.

Pad: -20 dB per Channel.

Gain Range: +10 dB to +65 dB.

High-Pass Filter: 75 Hz.

Frequency Response: 20 Hz 20 kHz.

Maximum Output Level: +20.7 dBu.

Headphone Power: 240 mW @ 32 Ohms, 62 mW @ 300 Ohms.

Dynamic Range: Up to 118 dBA.

THD+N: Up to -108 dBFS.

Bit Depth: 24-Bit.

Latency: 1.1 ms @ 96 kHz.

Sync Source: Internal.

OS Compatibility: Windows 10 or Later.

Processor Requirement: Intel Core i3, Intel Xeon, or Better.

Storage Requirement: 6 GB Available Space.

Required Hardware: USB 3.0 / 3.1 Gen 1 Port.

Power Supply: 12V DC Adapter Included.

Power Consumption: 10 W.

Operating Temperature: 32F to 95F (0C to 35C).

Storage Temperature: –40F to 176F (-40C to 80C).

Product Weight: 1.5 lbs.

Product Dimensions (L x W x H): 7.1 x 4.8 x 1.8″