Great place yo. ive been there a couple of times. They seem to like Mark Anthony Kicker and Kenwood, and Alpine Lots of great stuff, OG HCCA stuff, some USamps USA series. lookin thru thier install pictures, quality work, but i dunno how much it costed lol. They also sell rims/tires and they have TONS of em.
if anyones in the area and wanna check it out,
13927 E. Amar RD.
La puente CA
also givem a call 626 814 1158