* Input power (RMS): 60 Watt * Impedance: 16Ω * Frequency response: 150Hz~6KHz * S.P.L: 112dB (1W/ M) with TH-16 * Material : Aluminum * Dimension: Φ114×112mm (Φ4.5''×4.4'') * Weight (Approx.): 1.71kg (3.64 lb)