2012 mazda 6 stock head no amp upgraded speakers to Morel Maximo Ultra 602 front component and back are Coax

[stupidzombies95]

In just installed these yesterday, everything went well with the installation. I got the plates and 1" spacers so they would fit in the 6X8 factory holes. I notice a huge difference in the clarity of the sound. The issue I am having is they are not as loud as the factory speakers were. What do I need to add to get them louder? I would like to avoid changing the head unit if I can. I am willing to add an amp just not sure what I need to get.

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[nauc 10+ year member]

need to amp them

 

[stupidzombies95]

need to amp them

Okay what kind of amp?

 

[mahc 10+ year member]

Okay what kind of amp?

Something with high level inputs.

Hertz HCP2 | 2-Channel Car Audio Subwoofer Amplifier

Hertz HCP2 • 400W Class AB 2-Channel Car Audio Subwoofer Amplifier • 65 Watts RMS x 2 @ 4 ohms • 100 Watts RMS x 2 @ 2 ohms • CEA-2006 Compliant • Refined Heatsink with High Convection Capability • Automatic Remote Turn-On/Off function • Dimensions: 8.46" x 7.48" x 1.97"

www.sonicelectronix.com