http://www.clarion.com/us/en/products/2 ... 63381.htmlClarion PFW1051 subwoofer 10"# 600 Watts of Maximum Music Power
# 300 Watts RMS
# Single 4-Ohm Heat Resistant Voice Coils
# Polypropylene Electrolytic Spun Aluminum Coated Dust Cap Design
# Kevlar/Paper Composite Cone Design
# Co-polymer Composite High Excursion Surround
# Dual Strontium Ferrite Magnet Motor Assembly
# Hyper-extended Vented Pole Piece
# Dual Gold Plated Block Terminals
# Linear Poly-cotton Spider with Integrated Tinsel Leads
# S.E.T. (Spider Exhaust Technology) Cooling
# Custom Designed Die Cast Aluminum
# Hidden Screw Mounting Gasket
# Outside Dimension 10 3/8"
# Mounting Depth 3"
# Sensitivity: 84 dB
# RMS Power Range : 300 Watts
# Peak Power Handling: 600 Watts
# Impedance: 4 Ohm
# Low Frequency response: 20 Hz
# High Frequency Response: 1500 Hz
$75 after HIN 