P-Audio SD18 EL 18" 1000watts Base Speaker

Key Features :
-	Heavy duty 18" cast aluminium frame with extra wide flange for increased rigidity
-	1000W RMS
-	5” inside/outside copper clad aluminium voice coil assembly
-	99dB SPL
-	170 oz. ceramic magnet
-	Power compression 1.6dB at rated power
-	Distortion 2nd Harmonic <1%
-	Advanced magnetic assembly incorporating a composite alloy and steel pole piece giving a uniform and stable magnetic field, improving linear excursion and providing an efficient thermal path to dissipate the heat produced by the voice coil.