can u still connect this amp if u only have one set of rca in the back of head unit ?

Yes you can, it only requires 1 set to operate, I don’t recommend this item though, I ended up sending mine back because it didn’t work properly

just need around 45 more watts to ONLY my highs mainly, but to Mids as well- anyone with this amp think it will do what i want???

I have had this amp for 3 years now. One tripped channels 1/2 into protection mode and never came out. I got my money back and put another one in. Not a problem at all. These are great for the four 6 x 9s I run for mids & hi's. I use a ground loop suppressor though. They will wine without one. Not the best on the market, but at 40 bucks, it's tough to pass that up when the quality of sound is so awesome.

Say i wanted to hook this to four 5x7, would it sound any better than the jvc kd-s79bt radio unit i have? It's only 5 more rms per speaker

I don't know about your jvc radio but I use it to push some tweeters in my 2010 Accord. Along with a box in the trunk, they add the sound I needed with the mixing of the extra bass in the trunk.The box in the trunk is on a different amp.

ASIN	B003GSLEE4
Best Sellers Rank	#33,371 in Electronics ( See Top 100 in Electronics ) #63 in Car Multichannel Amplifiers
Brand	Sound Storm Laboratories
Color	Gun metal grey
Customer Reviews	3.9 3.9 out of 5 stars (969)
Date First Available	April 6, 2010
Global Trade Identification Number	00791489112604
Is Discontinued By Manufacturer	No
Item Weight	3.2 pounds
Item dimensions L x W x H	7.5 x 9 x 1.8 inches
Item model number	EV4.400
Manufacturer	Sound Storm Laboratories
Material	Metal
Maximum Output Power	400 watts
Mounting Type	Surface Mount
Number of Channels	4
Other display features	Wireless
Output Power	400 Watts
Product Dimensions	7.5 x 9 x 1.8 inches
Specification Met	CE, FCC, RoHS, WEEE
UPC	808112590842 617407325171 041114742608 190283106527 782386063243 088037828217 163121360801 079532118804 031111864700 791489112604 999998517754 611101578468 731215357428 088037835222 696582147419 734911324534 132017721002 806294957644 012301842937 115970907690 182682331075 809187164808 080850471533 080850467109 072091557534 808112405832 082080805942 804066825504 971484060685
Voltage	16 Volts
Whats in the box	Evolution Series 400-watt 4-channel Mosfet Class Ab Amp (silver)

Sound Storm Laboratories EV4.400 4 Channel Car Audio Amplifier - 400 High Output, 2-8 Ohms, High/Low Level Inputs, Hook Up to Subwoofer for Bass

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