线阵列扬声器系统
line array loudspeaker system
line array speaker system
linear array loudspeaker system
直接幅射式扬声器
direct radiation type loudspeaker
均衡衔铁式扬声器
balanced armature loudspeaker
喇叭式扬声器
acoustic holographic system
动片式扬声器
moving armature loudspeaker
励磁式扬声器
excited field loudspeaker
散布式扬声器
distributed mode loudspeaker
平衡电枢式扬声器
balanced armature type loudspeaker
晶体扬声器
crystal speaker
crystal loudspeaker
piezo-electric loudspeaker
crystal microphone