Model Number: LD-200 Power ampilier Brand Name: shiya Key Specifications/Special Features: Features: LED Display to show the working temperature and volume.Smart electronic protection circuitMultiple detection and protectionSupport working at 4Ω for longtimeUnique EE engine technology provide efficient operation, High performance priceReducing AC power consumption and heat generation. Specification LD-200 LD-300 LD-400 LD-500 LD-600 LD-700 LD-800 8ΩStereoPower 2x200W 2x300W 2x400W 2x500W 2x600W 2x700W 2x800W 4ΩStereoPower 2x300W 2x450W 2x600W 2x750W 2x900W 2x1050W 2x1200W 2ΩStereoPower 2x400W 2x600W 2x800W 2x1000W 2x1200W 2x1400W 2x1600W 8ΩBridgedmonooutput 600W 900W 1200W 1500W 1800W 2100W 2400W FrequencyResponse 20Hz-20KHz(±0.3dB) THD S/NRate >90dB >95dB InputImpedance 20KΩ(Balanced)/10KΩ(Unbalance) InputSensitivity 0.755V/1.0V/1.4V Outputcircuitry ClassAB ClassH Weight 14.5kgs 16.5kgs 18.5kgs 20.5kgs 22.5kgs 27.5kgs 28Kgs Dimensions 48.2x44.1x8.9cm