Dayton HTS545HE-4 Kraken 21" Home Theater Subwoofer Driver

 SPECIFICATIONS

• 21” Nominal Diameter
• 2,000 Watts Nominal Power Handling (RMS)
• 4,000 watts Power Handling (max)
• 5-inch Diameter Voice Coil
• Reinforced paper cone
• Dual spiders
• Large aluminum shorting ring to minimize distortion
• Cast Aluminum Basket
• Ferrite Magnet
• 4 Ohms Impedance 
• 95.6 dB 2.83V@1m Sensitivity
• -- lbs.

Manufacturer's Datasheet (PDF)