SPECIFICATION: MODEL: TRF8MR200Nominal diameter:8inchNominal impedance:4ΩPower RMS:100WPower PROGRAM RMS :180WPower MAX:200WSensitivity (1w/1m):99dBFrequency range:100-8K HzVoice coil diameter:Φ38.55 mmMagnet dimension:Φ118*18 mmFs:100 HzRe (D.C.):3.5ΩBasket:Die cast AlumiumCone and dust cap:PaperSurround:ClothVoice coil wire:CCAR