Can I add speakers to my Vizio sound bar?
Recap, no you cannot add speakers, get a 5 channel set or the sound bar with 2 speakers included if you want real surround sound as you can tell all the sound is coming from right in front of the tv.
Yes, you can add wired speakers to your soundbar. However, it's going to be difficult because soundbars are made to stand alone. They're not manufactured with speaker outs so you have to use a receiver, a stereo mixer, and RCA cables to add wired speakers.
How Do I Connect Two Vizio Sound Bars? Connect one end of the cable to both soundbar outputs, connecting the other end into the input jack of the second soundbar to form a single integrated soundbar. Once the system is turned on, adjust its settings as appropriate.
How to Set up Front Surround Mode for VIZIO Sound Bars - YouTube
You can use as many surround speakers as your receiver will allow. Using this method, you can make a 5.1, 7.1, 9.1, etc. sound system as long as your receiver will allow it.
Turn off or mute your television's internal speakers to allow your soundbar's quality sound to shine through. Use HDMI (ARC) or other high-quality cables to relay audio signals to your Soundbar. Adjust your equalizer settings, if possible, to ensure your soundbar is optimally programmed for your specific audio source.
How to Add Speakers / Surround Sound to a Stereo ... - YouTube
A: VIZIO sound bars are designed as all-in-one and self-contained units, they are not able to accept additional subwoofers.
technically yes. though unsure if you intend to go quadraphonic (one soundbar behind, one in front for 4.0) or 5.1 or some other odd setup. you did not explain in detail. generally soundbars get paired up with two wireless rear speakers to fill in the rear channels.
Most Soundbars Connect with Native, Manufacturer-Paired Speakers. Many soundbars can connect with subwoofers that are within their branded line. Many manufacturers give you the option of upgrading your soundbar with additional speakers and/or subwoofer, as long as you use the recommended products.
How do I hook up external speakers to my Vizio TV?
If your TV doesn't use RCA connectors for audio output, it may have a headphone out port (3.5mm port). You can use this to connect your TV to the speakers. They're the same connector used on phones, tablets, laptops, etc. For this, you'll need to use a 3.5mm audio jack on the TV end and a RCA jack on the speaker end.
- Go to “Settings > System > Check for Updates” on the Vizio SmartCast mobile app.
- Select “Yes” to confirm your choice to check for updates.
- The sound bar will power off when an update is available. ...
- The update process can take up to 30 minutes.

How to Use your VIZIO Sound Bar Remote Control and EQ Settings
How to Connect External Speakers to a Television | DIY Devices with Bret ...
Many of today's high-performance soundbars support the more-immersive Dolby Atmos and DTS:X surround-sound formats, which add overhead and height effects and allow them to approach the enveloping, dynamic sound of an AV-receiver-based surround-sound system.
Yes, you can through the analog/headphone jack. You will set the analog jack to variable (to control volume of the sound bar with the TV remote). You will turn speaker to "TV on". In some TV's this MAY create a reverb from a bit of delay to the soundbar.
Rear Speaker kit compatibility
Adding a Samsung Wireless Rear Speaker Kit to your soundbar helps to surround you in sound. If your soundbar supports 5.1 surround sound or better, like Dolby Digital, DTS, or even the superior Dolby Atmos, the Rear Speaker Kit will help you achieve it.
Add Surround Speakers to Any Soundbar - A Complete Guide!
Yes. The Bose Surround Speakers connect wirelessly to the Bose Smart Soundbar 900, Bose Smart Soundbar 300, Bose Smart Soundbar 700, or the Bose Soundbar 500 — so no wires are required from the front of the room to the rear.
The amplifier of the speakers are usually built into the subwoofer. Seeing as there is a different sub for each model in a range (the 2.1, the 5.1, the 7.1, whatever) each with different outputs, you can't just plug extra speakers into the sub.