... performance parameters: 1,Convenience: Simplify life 2,Source Inputs: Digital optical for DVD or CD players mini ... inserted straight.3,Surround sound effects4,Digital and Analog Inputs: Add upto 6 components simultaneously5,Convenience: Simplify ... Inputs: Add upto 6 components simultaneously.6,Support all kinds of languages,timing alarm clock, Perpetual calendar.7,With remote control. amplifier speaker ...