By blending the most excellent of UA’s classic analogue plan with keen advanced features and workflow upgrades, the 4-710d is the foremost adaptable amplifier preamp within the UA lineup. Featuring four high-end mic/line preamps with a one of a kind tube/solid-state tone mixing circuit, as well as classic 1176-style compression on each mic channel, the 4-710d moreover offers tons of computerized I/O to grow your setup. At the centre of the 4-710d are four channels of tone-blending “Twin-Finity” mic preamps.