Main Specifications: 10" two way Power: 75 watts Impedance: 4Ω Frequency response: 50Hz~20KHz SPL: 96dB Crossover frequency: 4KHz Combination of mixer, power amplifier, cabinet, microphone It is convenient, portable and easy to operate. Universal switching power supply, more than 85% efficiency Car power adaptor for emergent use and outdoors activities(new model). Elegant & portable aluminum stand; portable plastic case for convenient move. Power output: 75 W/ 4Ω X 2 Frequency response: 20Hz~20KHz ≤ 1dB THD: 20Hz~20KHz ≤ 0.1% Equivalent input noise: ≤ -114dB Channel EQ: high 10 KHz ±15 dB Low 100 Hz ±15 dB Power requirements:115VAC, 60Hz, 200VA ,230VAC, 50Hz, 200VA Main feature:Stereo output (RMS )75 W/4Ω X 2 1/4" Phone Jack (front panel). 4 MIC Input connectors on each channel XLR. Stereo (GD / tape) input with level control on the panel front.(input connectors 1/4" phone jack). When the stereo signal input, microphone the signal automatically cut off. Treble bass reverb and level control on each channel. Master volume control. On the panel front. Built-in electronic reverb. Built-in DSP effect. Built-in switch power supply. Built-in feedback display 5-band graphic equalizer. High quality 60mm faders and sealed potentiometers.