It’s because they are doing the opposite work rather than working together to produce more sound. While one is moving up, the other is moving the opposite direction, and so on. So the most important thing here to remember is to wire speakers consistently the same way as each other. 4. Wiring 2-way and 3-way speakers.
Roku® wireless speakers add full, rich sound to your TV streaming experience with no messy audio cables to connect or complicated setup. You only need to attach the power cable and pair each speaker to a Roku host device such as a Roku TV ™, Roku Streambar ®, Roku Streambar Pro, or Roku Smart Soundbar. Once connected, you will experience
Connect the RCA audio cables from your Projector to the Aux-in on your wireless speakers. Turn on the speakers; Set your Projectors Volume to MAX; Power on your device that has the audio streaming to the projector; Set the volume on your device to MAX; The volume balance will be set automatically as long as the same volume is selected on both

Receivers with digital audio inputs: Connect your TV’s optical audio output jack with a fiber optic cable (sometimes called “TOSLINK” style) to the receiver’s optical input. Connect your TV’s coaxial audio output to the receiver’s coaxial digital input. This is an RCA-style cable and in fact, a single RCA cable will work.

Here’s how you can do that: Press the Xbox button on your controller to open the guide. Go to Settings > Display & Sound > Audio output. Select “HDMI audio” or “Optical audio” depending on the type of cable you are using. If you are using a 3.5mm audio jack, select “Headset audio” instead.
The wireless speakers should be placed in one room and be visible from the television. See the guidance for your speaker for information about whether or not your speaker can be connected wirelessly. Products with HDMI™ output. Products with HDMI output such as a set-top box can be connected to any available HDMI IN socket in the television. MHAd. 751 721 896 901 496 212 569 584

how to connect speaker to set top box