Power Watt Peak 80 - Rms 35 with crossover 90 Hz 12 dB/Oct - Speaker Ø 100 mm. Cone PPM - Frequency response 40÷300 Hz - S.P.L. 1W/1m 93 dB Impedance 4+4 Ohm - Dobule Voice Coil Dimensions cm. Ø10x34 - Packed 1 pc.