ok which will be better. i plan in getting 4 installed in my car

Audiobahn AW1506T

120oz Double Stacked Strontium Magnets
Power Handling: 1300watts R.M.S.
Frequency Response: 18Hz 500Hz
Efficiency: 96.4dB
PHAT 2" Multi-layer Foam Surround
Stamped and Balanced Aluminum Cone
2.5" 4-Layer AVS Voice Coil
Dual 4 Ohm Voice Coils
2, 4 or 8 Ohm Operation
Mounting Dimensions: Depth; 8" Hole; 13 3/4" Diameter; 15 3/8"
Multi-connect Lug Lock Terminals

KICKER S15L7

# Kicker Solo-Baric L7 S15L7 (dual 4 ohm)
# Kicker 15 Dual 4-ohm Voice Coil Subwoofer
# Titanium deposit cone
# Non-resonant aluminum basket
# Santoprene rubber surround
# Dual 4-ohm voice coils for wiring flexibility
# Frequency response 18-100 Hz
# Power range 75-1,000 watts RMS (500 watts per coil)
# Peak power handling 2,000 watts
# Sensitivity 89.3 dB SPL
# Top-mount depth 8-1/4
# Sealed box volume 1.5-6.0 cubic feet
# Ported box volume 3.0-6.0 cubic feet