Setting up 5.1 Theater - Questions About Soundbar Setup

mantzios

New Member
Joined
Feb 23, 2026
Messages
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Hi all,

I am remodeling my basement and trying to setup a home theater environment, but I am brand new to this world. I have some understanding how things work but need some help. I apologize in advanced if I am asking the same question in a different way, but I need help understanding how to setup a proper 5.1 surround system, specifically regarding the center channel and how to make it work with the following equipment:
  • Samsung S90D TV
    • eARC: Dolby Digital Plus 7.1
    • ARC: Dolby Digital 5.1
    • Optical: Dolby Digital 5.1
  • Hisense AX3120Q-3.1.2 ch. Soundbar with Wireless Subwoofer - Want TV audio (dialog) to come through here
    • Aux
    • USB 5V
    • HDMI In
    • HDMI TV eARC/ARC
    • Optical
  • 2 Floor speakers (front left and right)
  • 2 Ceiling speakers (surround rear left and right)
  • Wiim Amp Ultra
  • Wiim Pro x 2

Where I am getting confused is the soundbar and subwoofer.

Essentially how do I get the Wiim Amp Ultra to control audio from the TV to play it through the soundbar? Is this possible?
The soundbar I purchased has a wireless subwoofer, does this complicate things?
Do I connect the TV to the soundbar via HDMI eARC and then the soundbar to the Wiim Pro via Optical line?
Do I need to go Optical in/out from TV to soundbar and then HDMI eARC from the soundbar to the Wiim?
Does HDMI eARC go from TV to Wiim Amp Ultra and then Wiim Amp Ultra goes to Wiim Pro that then goes to soundbar?
Do I need a 4th Wiim Amp pro?

I am out of my depth and just need some guidance. If what I want, which is essentially the TV dialogue being played through the soundbar in a 5.1 surround environment, can't be done, please let me know so I can return some of the devices I bought. I am not married to the the soundbar, it can be returned, but trying to keep the soundbar and subwoofer for the center channel to under $500 after taxes.

Honestly, any guidance goes a long way, including telling me to drop the soundbar.

Thank you all!
 
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