Universal Audio 4-710d Four-Channel Mic Preamp & A/D Converter

The Universal Audio 4-710d is a professional four-channel microphone preamp and A/D converter that combines classic analog tone with modern digital flexibility. Designed for professional studios, hybrid production environments, and high-end tracking workflows, the 4-710d delivers the renowned warmth and character of Universal Audio’s analog circuitry alongside integrated premium digital conversion.

Each of the four channels features Universal Audio’s acclaimed Twin-Finity™ preamp design, allowing seamless blending between tube and solid-state signal paths. This unique architecture gives engineers and producers the ability to dial in everything from clean, transparent detail to rich tube saturation and harmonic coloration.

In addition to its versatile preamps, the 4-710d includes built-in dynamics processing and high-quality A/D conversion with ADAT optical output, making it ideal for expanding audio interfaces and professional recording systems.

Twin-Finity™ Analog Tone Shaping

The Twin-Finity design allows each channel to blend between:

Classic tube warmth and harmonic richness
Fast, clean solid-state clarity
Hybrid tonal combinations between both circuits

This flexibility makes the 4-710d suitable for virtually any recording source, including vocals, drums, guitars, bass, acoustic instruments, and keyboards.

Integrated Compression & Digital Expansion

Each channel includes built-in analog compression for dynamic control during tracking, while the integrated A/D converter allows easy expansion of existing recording systems via ADAT connectivity.

The 4-710d functions equally well as: