new set up settings

ive got my amp and sub wired up

im running it off a sony cdx f7500

http://www.sony.co.uk/product/ica-cd...TechnicalSpecs

ive got amp+sub wired to 2 ohm

sub
http://www.crutchfield.com/S-Bm5770M...x?i=500MRDM605
amp
http://www.ice-direct.com/cid/KRRRQH...-PALP_MRDM605/

as my head unit is 2v ive tried setting my amp gain to match as its a digital amp i can see what the gains are on the lcd but it doesent have a 2.0 setting only

0.1/0.2/0.3/0.4/0.5/0.7/1.0/1.5/2.5/4.0/8.0

ive set it to 2.5 as its the closest to 2v but isnt very loud (the subs hardley moving) the head unit bass is set to none eq off sub on full

amp bass eq off
lp filter 85 (theres no 80)
subsonic filter 15hz
lp slope 24db

can any one tell me how to get the bass up and the sub moving
thanx

turn your HU main volume up to maximum without speakers distorting, then gradually turn the gain on the amp for the sub up until it blends into the sound properly without being too overpowering or too weak.

The gain on the amp and the HUs preout voltage are unrelated.

http://www.caraudiocentre.co.uk/prod...2d_p-21053.htm
link for sub

As above.