Model No. Application Tweeter Mid-Range Woofer Impedance Max Power Sensitivity Frequency Response Crossover Frequency Magnetic Shielding Product Dimension (H*W*D)mm Net Weight VT100 Front 20φ / 3"* 4 4 Ω 55W 86+/-3db 100HZ-20000HZ Yes VC100 Center 20φ / 3"*4 4 Ω 55W 86+/-3db 100HZ-20000HZ Yes VS100 Sat 20φ1 / 3"* 2 4 Ω 35W 83+/-3db 120HZ-20000HZ Yes