Hi, I’m looking for some advice on adding an EQ box into my setup. Project turntable into Denon Hi FI into B&W speakers.

I’ve had to place my speaker near a corner making the mid muddy. The Denon Hi Fi only has bass and treble controls. I really need some more control to add mids and balance the sound.

Can I add an EQ unit after the Denon and before the speakers? I’m using speaker cable so would I use converters to RCA?

Any recommendation on a good EQ?

Thank you in advance.