600 watt RMS power handling Spider Plateau Venting Aluminum shorting ring Expanded poly cone with rubber surround 8-gauge post and single set-screw input terminals.

Features

• 15" Single 4 ohm Thunder8500 Superwoofer Thunder 8500 Subwoofer
• Power Handling:
• Peak: 1200 watts
• RMS: 600 watts
• Recommended RMS Amplifier Power: 300-600 watts
• Impedance: Single 4 ohm
• Carbon filled Polypropylene cone with Aluminum deposition
• High Roll NBR (Nitrile Butadiene Rubber) Surround
• ALDS (Asymmetrical Linear Drive System) with a flat progressive spider and extended pole piece for smooth, linear, piston like drive
• Stitched Cone for added durability and style
• Die Cast Aluminum Frame Construction for incredible strength and durability
• Industry leading thermal power handling using 428°F High Temperature Flat Wound Aluminum Ribbon Wire
• Industry leading Spider Plateau Venting cooling system cools at the voice coil
• 3" Voice coil
• 176oz. Magnet structure
• Frequency response: 35-150 Hz
• Sensitivity: 92.01 dB

Specifications

• RMS Power (Watts): 600
• Peak Power (Watts): 1200
• Recommended Amp Power (RMS): 300 –600
• Impedance: 4Ω
• Magnet Weight: 176 oz.
• Voice Coil: 3.0" (7.62 cm)
• Tuning Frequency: 32Hz
• Mounting Depth: 9"
• Cut Out Diameter: 13.875"
• Sealed Enclosure Net Volume: 2.0 cu ft
• Vented Enclosure Net Volume: 2.50 cu ft
• Volume Displacement (Sd x Xmax): 119.38 cu in