The Universal Audio Apollo Twin X Duo - Heritage Edition is a sleek desktop Thunderbolt audio interface designed for professional audio recording and production. It features 2 mic inputs, 2 line inputs, and 2 buses, making it suitable for studio, home recording, and live sound applications. With a maximum sampling rate of 24 bit (192 kHz), this interface delivers high-quality audio. The unit includes ADAT and XLR inputs, USB and Thunderbolt interfaces, and comes with software for enhanced functionality. The bus-powered device is compact and lightweight, weighing 1.9 kg with dimensions of 20.32 cm in height and width.