Here are some of the features of the Pyramid PW10D:
Poly Coated Laminated Cone
Resists Moisture & Temperature Extremes
Specially Treated Purple Foam Edge Suspension
Bumped Yoke Plate for Extended Excursion
Vented Motor Structure for Cooler Operation
1.5'' Aluminum Dual Channel ASV Voice Coil
60 oz. Stronium Magnet Structure
200W RMS/400W Peak
SPL (1W/1M): 94dB
4 Ohm Impedance
Overall Diameter: 10''
Mounting Depth: 4.25''
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