... well stability 2. Martin amplifier style. Professional Power Stereo Amplifier MA SeriesFeatures1. High quality with well stability;2 ... amplifier matched with professional speaker system. Technical Parameters Model MA1200 MA2400 MA3600 MA5000 Stereo Power 8Ω 350W 550W ... 4. MA5000 Speaker, Loudspeaker, Pro Audio, Audio System, Speaker Box, Speaker System, Line Array, DJ Equipment, Pa Speaker, Vibration ...