Model number: RAL Power Amplifier MA  Amplifier, PA Amplifier, Professional Amplifier, karaoke Amplifier, Audio, PA Audio, Professional Audio, Audio System, Karaoke Audio, Mixer, PA Mixer, Professional Mixer, Karaoke Speaker. Features:  1. Protection functions: Over-flow, over-heat, over-load, short-circuit and soft start.  2. High Performance DC Fans 3. High Efficiency And Low Emission , Toroidal Transformer 4. Stereo, mono, bridge working mode 5. Low noise design 6. Peak &#118alue compression function  Specification:  Type: CX-302; CX-502; CX-702; CX-902; CX-1102 8Ω STEREO POWER: CX-302: 200W×2; CX-502: 350W×2; CX-702: 500W×2; CX-902: 600W×2; CX1102: 750W×2 4Ω STEREO POWER: CX-302: 325W×2; CX-502: 500W2; CX-702: 800W× 2; CX-902: 850W ×2; CX-1102: 1100W × 2 2 ΩSTEREO POWER:  CX-302: 600W × 2; CX-502: 350W × 2; CX-702: 500W × 2; CX-902: 600W × 2; CX-1102: 750W × 2 8Ω BRIDGE POWER: CX-302: 600W; CX-502: 1000W; CX-702: 1500W; CX-902: 1700W; CX-1102: 2100W 4Ω BRIDGE POWER: CX-302: 750W; CX-502: 600W; CX-702: 800W: CX-902: 800W; CX-1102: 1100W FREQUENCY RESPONSE:20-20KHz+0/-0.5dB THD+N: