Brand : Remax Transducer: Dynamic Microphone Patterns: Bi-directional/Figure-8 Communication: Wired Style: Handheld Microphone Model Number: RMK-K01 Use: Karaoke MicrophoneSet Type: Single Microphone color :silver
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frequency response:150-18000hz signal and noise ratio of power amplifier >80db loud speaker:1.5inch(external diametet 40hms power adapter 5.0v/1000mA
SPEAKERS DIMENSION & IMPEDANCE : 4 OUTPUT POWER :5 W FREQUENCY RESPONSE : 90 HZ _20 KHZ SENSITIVITY : 80 DB =2DB S/N : 80DB DISTORTION < 0.3% USB 2.0 & USB 1.1 WITH AUDIO OUTPUT WITH SOUND CARD SUPPORT HOT PLUG AND PLAY