The REF8.3W is finally here, Trouble finding a 3 way set with an 8 inch mid? The REF8.3W is the solution! This includes The REF8W woofer, Elite Reference 3.5' Mid, And the Reference Tweets! And who else better to produce than B2 Audio! Specifications: Woofer Mid range Tweeter Frequency Response: 200 Hz ~ 12 KHz 1200 Hz ~ 25 KHz Sensitivity: 81.2 dB 84 dB Nominal Impedance: 4 Ohm 4 Ohm 4 Ohm DC Resistance (RE): 3.6 Ohm 4.9 Ohm 3.9 Ohm Resonance Frequency (FS): 45 Hz 190 Hz 1250 Hz Power Handling: 200 watts 50 Watts 30 Watts QMS: 8.3 5.04 0.76 QES: 0.16 1.29 2.43 QTS: 0.15 1.03 0.58 VAS: 21 L 0.1 L 0.001 L CMS: 81 um/N 5.7 um/N MMS: 32 g 6.9 g 2.8 g Voice Coil Diameter: 2’ 1" 1" BL: 14 5.9 6 Magnet Type: Strontium Neodymium Neodymium XMAX: 5 mm Displacement: