DB Drive P4M 8SB Sealed Back 8" Loudspeaker

P4M8SB - Sold individually-*TERRITORY RESTRICTED* 8" Sealed Back Loudspeaker 4 ohm 1.5" Voice Coil High Efficiency Paper Cone Integrated protective grill T/S PARAMETERS Resonant Frequency (fs) 453.8Hz D.C. Voice Coil Resistance (Re) 3.3 Ω Mechanical Quality Factor (Qms) 7.83 Electrical Quality Factor (Qes) 2.58 Total Quality Factor (Qts) 1.94 Compliance Equivalent Volume (Vas) 1.5L BL Product (BL) 5.6 Diaphragm Mass inc. Airload (Mms) 11.2 gr ADDITIONAL SPECS Basket Diameter 8″ (203mm) Max Power 325 Watts Nominal Power 200 Watts Impedance 4 Ω Resonance 90Hz Sensitivity 97.9 dB