Diamond Audio MP654 6.5” PRO Full-Range Co-Ax Horn Speaker

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6.5” PRO Full-Range Co-Ax Horn Speaker MP654 150W RMS/300 MAX Power Handling Ferrite Strontium High Temp Magnet structure Heavy Duty Die-cast Aluminum Basket 1.5” 4 Ohm – Single Layer High Temp Voice Coil with Black Coated Voice Coil former for Woofer 1.0” 8 Ohm – Single Layer High Temp Voice Coil for Tweeter Advanced Voice Coil Heat Sink Design for Better Heat Dissipation Frequency Response: 110Hz -18Khz High Sensitivity 101dB 1W/1M 12dB Crossover Mounting Depth: 3.33” / 84.6mm Mounting Diameter: 5.73” / 145.5mm Specifications SPL (dB-MidBass) 92.7 SPL (dB-Tweeter) 107 Re(Ω)[series] 3.2 Qms 10.73 Qes 0.47 Qts 0.45 Fs(Hz) 103.3 Vas(L) 6.6 Cms(mm/N) 0.24 Mms(g) 9.7 Sd(m2) 138.9 BL(T*M) 6.5 Xmax(mm) 1.0 Pwr(W) NOM/MAX 150/**300 Total Diameter 6.52 (165.5) in. (mm) Mounting Diameter 5.73 (145.5) in. (mm) Mounting Depth 3.33 (91.6) in. (mm) Total Depth 3.88 (98.6)in. (mm) Magnet Diameter 3.94 (100) in. (mm)