Rca connections to amp (one or two sets?)

[Drifter mike]

Hello guys,
I own a Pioneer DEH-S320BT stereo in my car and want to install a sub and amp. I have on mind buying a 4 channel TRF M600.4AB amplifier and connect the sub to channels 1 and 2 bridged and also connect 2 additional speakers on car's shelf (on channel 3 and 4). On the amplifier there are two sets of rca inputs, one set for channel 1 and 2 and one set for channel 3 and 4. Am i supposed to connect two sets of rcas from my stereo to the amp or just one? In a few words what is the appropriate way to do the rca connections? I am a little confused.
I hope the following pictures will give you an idea.

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[KicktheSDbasshead]

Run both sets and I'm pretty sure when you run it the sub should go on channels 3 and 4 bridged of course

 

[Drifter mike]

Run both sets and I'm pretty sure when you run it the sub should go on channels 3 and 4 bridged of course

Ok, and one more thing if you know ... Will i be able to change subwoofer settings from my stereo? Like turn sub on and off.

 

[KicktheSDbasshead]

Ok, and one more thing if you know ... Will i be able to change subwoofer settings from my stereo? Like turn sub on and off.

Probably not but for channels 3 and 4 run them from the sub out of your deck if it has one

 

[Drifter mike]

Probably not but for channels 3 and 4 run them from the sub out of your deck if it has one

Nice, thank you!

 

[KicktheSDbasshead]

No problem BASS ON BROTHA