... quality with well stability 2. Martin amplifier style. Professional Power Stereo Amplifier MA SeriesFeatures1. High quality with well stability;2. ... speaker system. Technical Parameters Model MA1200 MA2400 MA3600 MA5000 Stereo Power 8Ω 350W 550W 700W 900W 4Ω 500W 800W ... Speaker, Sub Woofer, Sub Bass, Woofer Speaker, Amplifier, Power Amplifier, Microphone, Mixer are our factory production line. Any ...