does anyone know how these thing perform? maybe someone that has tried them before?

Woofer
• 18” Paper Cone with Cloth Edge
• 4” 4-layer Black Aluminum Voice Coil
• 100 oz. Magnet (2 pcs.)
• Impedance: 4 Ohm
• Frequency Response: 25Hz-500Hz
• Sensitivity: 91dB
• Max Power: 1,000 Watt
spec don't look all bad but never tried them....I got two very cheap from a friend I guessing they are cheap:-)
but if there no good i would prefer not to keep them.
Woofer
• 18” Paper Cone with Cloth Edge
• 4” 4-layer Black Aluminum Voice Coil
• 100 oz. Magnet (2 pcs.)
• Impedance: 4 Ohm
• Frequency Response: 25Hz-500Hz
• Sensitivity: 91dB
• Max Power: 1,000 Watt
spec don't look all bad but never tried them....I got two very cheap from a friend I guessing they are cheap:-)
but if there no good i would prefer not to keep them.









