... horizontal display. D. Modern appearance design, combined with other products of X-series E. Hidden upgrades ... design , OP+BUF framework D,Aluminum chassis with vertical and horizontal display E,Part of a ... G,Multi-point MCU and dual LED control, with upgrade interface H .Synchronous switching three kinds of audio ... 24bit /192 K D. Add the optical input interface E. Add the pure pre-amp function , the ...