Upgrading speakers in 2006 Civic sedan

[dannyboy10]

Hello:

Are the following 6 1/2-inch coaxial models good sounding for the factory door location ?

1) Alpine SPR-17LP

2) JBL Power Series 652

I cannot change the head unit yet..it's too integrated into the dash. Is an amp needed to power them or can they suffice with factory radio ?

Also, would a SAS 8-inch Bazooka be enough to add bass and take the stress

off the new front coaxials ?

Thanks

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[imaspaceguy90 10+ year member]

i owuld suppose they will sound ok