18” VS 15” Subwoofer (SDR 18 VS SDR 15)

I compare the Skar SDR 18" subwoofer and Skar SDR 15" subwoofer to see which one is the better value for the money. Which one would you rather buy? 18" Subwoofer & Amp Specs: Skar SDR 18 Dual 4 Ohm Wired In Parallel To 2 Ohms 5 Cubic Foot Box Tuned To 22hz Powered By a Power Acoustik 900 Watt Amp, But It's Only Getting 650 @ 2 Ohms As I Plan To Wire @ 1 Ohm When I Get A Second 18. Amp Powered By a 650 Watt EVGA PSU #sundownaudio #skaraudio #subwoofer #subwoofers #subwooferbox #subwooferenclosure #subwoofermobil #activesubwoofer #subwooferporn #carsubwoofer #subwooferrecords #powerfulsubwoofer #boxsubwoofer #subwoofersunday #jblsubwoofer #customsubwooferbox #subwooferboxdesigns #customsubwoofer #poweredsubwoofer #subwoofersundays #svssubwoofer #pioneersubwoofer #subwooferbass #kickersubwoofer #customsubwoofers #relsubwoofer #12inchsubwoofer #subwoofermusic #15inchsubwoofer #untouchablesoundssubwoofer #diysubwoofer #wirelesssubwoofer #jblsubwoofer #customsubwooferbox #svssubwoofer #logitech #sundownaudio #klipsch #audiopipe #caraudio #caraudioinstallation #caraudiosystem #skaraudio #tweeter #tweeterhead #bassboost #bassboosted #caraudiofabrication #bigsubwoofer #svssubwoofer #hometheater #hometheatersystem #hometheaterspeaker #hometheaters #hometheatersetup #subwooferbass #microphonereview #bassheads #basshead #bassheadnation