Mackie SRM 750 Active Full Range Speaker 1600W power, 2 x 15 "High power woofers/ 1.4" titanium compression driver, developed especially for Mackie speakers, high-definition audio processing delivers transparent sound, 2-way precision crossover, 4 Speaker modes for different voicings,: PA, DJ, Monitor, Solo, Easy to operate Feedback Destroyer to eliminate unwanted feedback, Integrated 2-channel mixer with two Mackie Wide-Z inputs, Processes all microphone, instrument and line signals with a single potentiometer, Additional RCA inputs for connection to any playback devices, SmartProtect DSP protects against overload,horizontal and vertical flying points, frequency response 37 Hz - 23 kHz, 135 dB SPL Max, dimensions: 445 x 1080 x 458 mm (W x H x D ), weight 40 Kg