Moving-coil loudspeaker unit

Moving-coil planar speaker

MP-3 player

Multi actuator

Multi-adjustable headband

Multi-channel sound transmission method

Multi-driver loudspeaker assembly

Multi-function actuator

Multi-function actuator capable of preventing vibration

Multi-function microphone boom with on-line indicator

Multi-function microphone boom with on-line indicator

Multi-function microphone boom with on-line indicator

Multi-function microphone connecter

Multi-functional actuator

Multi-functional vibration actuator

Multi-media microphone seat

Multi-microphone capsule

Multi-mode radiator panels

Multi-mount speaker assembly

Multi-point drive type speaker