扩声系统 public address system ; sound reinforcement system ; sound amplifying system

环绕声系统 Ambiophonic system ; surround sound system

立体声系统 [电子] stereophonic system ; Stereo system ; stereo ; [电子] stereo sound system

矩阵四声道立体声系统 Matrix quad system ; Mtrix qud syst

虚拟环绕声系统 virtual surround system ; virtul surround syst

前置虚拟环绕声系统 S-Force Front Surround ; S-Force Pro

多维空间声系统 MSSS multi space ound system ; multi space sound system

放声系统 sound reproducing ; sound reproducing system

四声道立体声系统 quadraphonic system