28mm dome tweeter w/ chamber and neodymium magnet

Morel 1" textile dome tweeter Neodymium magnet Magnetically shielded Rear chamber Ferrofluid cooled Gold-plated terminals Replaceable voice coils Flange 54mm sq (2.13") Cut-out 44mm Ø (1.73") Depth 55mm (2.17") Znom 8 ohm Re 5.2 ohm Le@1kHz 0.05 mH fs 650 Hz Qms 0.89 Qes - Qts - Mms 0.47 g Cms - mm/N Sd 6.0 cm2 BL 2.8 N/A Vas - ltrs Xmax - mm peak VC Ø 28 mm Sensitivity 1W / 1m 89 dB Nom. Power DIN 80 W Net weight 0.09 kg