Model No.: QT200 Application: Front Tweeter: 1"* 1 Mid-Range: 6. 5"*1 Woofer Impedance: 6. 5"*2 Max Power: 4 Ω Sensitivity : 2500W Frequency Response: 92+/-3db Crossover Frequency: 28HZ-32000HZ Magnetic Shielding: No Product Dimension (H*W*D)mm: (1100*210*395)mm Net Weight: 33KG