※ high-grade aluminum 1U black drawing panel, rack-mounted, nice; ※ built-in professional-grade high-fidelity stereo digital quartz phase-locked loop radio system; ※ manual / automatic / frequency direct input and other tuning system, ultra-high sensitivity to receive; ※ unique channel browsing function, more than 60 radio frequency storage / lifetime memory, never lost; ※ output using AA class to enlarge the sound quality times to listen to, double 2CH; ※ leisurely full-function infrared remote control; ※ dynamic color output level spectrum display, ten kinds of fantastic spectrum display mode selection;