1) Model:TSCT-513AS 2) Input power: 100W 3) Impedance: 8 ohms 4) Sound pressure level: 110db (1w/m) 5) Horn coupling: 1-3/8 -18t 6) Frequency response: 800 - 20,000Hz 7) Finish: aluminum die casting 8) Voice coil: 51.3 CCAW 9) Magnet: Y35 10) Dimensions: 135 x 78mm