Here are some of the features of the Pyramid 4477:
4'' Size is Perfect for Hi-End Installation or OEM Upgrades
40 oz. Magnet Structure
Chrome Basket & Chrome Cones
1'' High Temperature Ferro Fluid Enhanced Voice Coil
1'' Piezo High Frequency Tweeter
1.75'' Aluminum Film Midrange
180 Watts Peak Power
4 Ohm Impedance
Frequency Response: 90-18kHz
1.88'' Mounting Depth
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