I have an MB Quart RAA 2400 amp. The amp is 1 x 800 @ 4 ohm. My trunk can only fit 1 or 2 10" subs. The box I am getting has .80 volume sealed. So even if its 1 or 2 subs, it has to share 1 chamber, so that is why I need to run it as mono. Any sub recommendations for most SPL?