View Single Post
      11-28-2010, 11:36 AM   #29
VP Electricity
Brigadier General
VP Electricity's Avatar
United_States
289
Rep
3,201
Posts

Drives: F34 xDrive
Join Date: Jan 2008
Location: portland oregon

iTrader: (3)

Quote:
Originally Posted by Technic View Post
Quote:
Originally Posted by mech888 View Post
For the cars with the Hifi stereos can you upgrade the subs while using the head unit to power them or is it best to get a new amp?
All depends on the woofer; for example the SWS-8 require external amplification to sound good, the SSMB8 will sound slightly better than stock with just the OEM amp power output.

But the general rule is to add a separate 2-channel amp to aftermarket woofers if you really want to notice a significant difference.
I have not tried the Kickers off the HiFi amp - Technic, how do they sound? I also have not tried the 2-ohm SWS off any OE amp - Earthwuake recommends it, but that doesn't mean much to me. The Jehnerts probably are similar to the Kickers in sound improvement off the OEM amp.

You can also get an improvement off the oem woofer and amp by upgrading to slightly less efficient fronts. This is the BSW "trick" - but you can do it with Rainbow 210.20 - makes the woofers louder.
Appreciate 0