1) 具备5.1声道和音频高保真不同结构设计。5.1 track and hi-fi audio frequency. 2) 具备多种功能使用选择。Muti-function choice. 3) 安装形式有DIP和SMT供选择。Assemble ways:DIP and SMT.4) 接触端子采用弹性结构设计，保证良好、稳定的接触和使用寿命。Contact terminal use flexibility structure design,ensure good ,steady contact and using life.