• 6 X 9” PRO Full-Range Co-Ax Horn Speaker, Pair • Ferrite Strontium High Temp Magnet Structure • Heavy Duty Stamped Steel Basket • Advanced Voice Coil Heat Sink Design for better heat dissipation • 1.5” Single Layer High Temp Voice Coil with Black CoatedVoice Coil former for Woofer • 1.0” Single Layer High Temp Voice Coil with Black CoatedVoice Coil former for Tweeter • 12dB 2nd Order Filter Crossover for better Protection of the Tweeter