Are External Speakers for TV Considered Surround Sound?

Decoding the Mystery: Are External Speakers for TV Considered Surround Sound?

Many homeowners wonder, are external speakers for tv considered surround sound? The short answer is: not necessarily. While any speaker located outside your television’s chassis is an “external speaker,” true surround sound specifically refers to a multi-channel audio configuration (such as 5.1 or 7.1) that physically places speakers around the listener to create a 360-degree immersive experience. A simple pair of external stereo speakers improves clarity but does not provide the “wrap-around” effect required for a surround sound classification.

Key Takeaways for Home Audio Upgrades

• External vs. Surround: All surround sound systems use external speakers, but not all external speakers (like 2.0 stereo pairs) are surround sound.
• The 5.1 Standard: True surround sound typically requires at least five speakers and one subwoofer.
• Soundbar “Virtualization”: Many modern soundbars use “virtual surround sound” to bounce audio off walls, mimicking a multi-speaker setup without the extra wires.
• The “Brain”: A dedicated AV Receiver is usually the heart of a true surround system, processing signals for each individual channel.
• Connection Matters: To get the best audio data, use HDMI eARC rather than older Optical (Toslink) cables.

Understanding the Difference Between External Audio and Surround Sound

When you unbox a new thin-profile OLED or QLED TV, you often notice the sound is “tinny.” This is because modern TVs lack the physical space for large drivers. When we discuss if are external speakers for tv considered surround sound, we must distinguish between stereo (2.0), 2.1 (stereo with a subwoofer), and true surround (5.1 or higher).

In my years of testing home theater configurations—from high-end Klipsch towers to budget-friendly Vizio soundbars—I have found that the confusion usually stems from marketing. Manufacturers often label stereo speakers as “theater-quality,” but if the sound is only coming from the front, it is technically Stereo, not Surround.

The Anatomy of Audio Channels

To understand your setup, look at the channel numbers. These numbers represent how many audio sources are being sent to your external speakers:

1. 2.0 Channel: Two speakers (Left and Right). This is standard external audio.
2. 2.1 Channel: Two speakers plus a subwoofer for bass.
3. 3.1 Channel: Adds a Center Channel specifically for movie dialogue.
4. 5.1 Channel: The entry-level for “True Surround.” This includes Front Left, Front Right, Center, and two Rear Surround speakers, plus a subwoofer.
5. 7.1.2 Channel: An advanced setup adding back surrounds and Height Channels for Dolby Atmos.

Comparing External Speaker Configurations

Why Your TV Needs External Speakers

Even if you don’t opt for a full 5.1 setup, moving to external audio is the single best upgrade you can make. Built-in TV speakers are usually downward-firing or rear-firing, meaning the sound has to bounce off a wall before it reaches your ears. This leads to muffled dialogue and a lack of dynamic range.

By using external speakers, you are providing dedicated tweeters for high frequencies and woofers for mid-range. When we ask are external speakers for tv considered surround sound, we are really asking about the “soundstage.” A wide soundstage makes a movie feel “big,” even if the sound isn’t coming from behind you.

Step-by-Step Guide: Setting Up External Speakers for Your TV

Whether you are setting up a pair of active monitors or a full Dolby Digital system, the process follows a specific workflow to ensure you don’t blow a fuse or degrade your signal.

Step 1: Identify Your TV’s Audio Output

Look at the back of your TV. You are looking for one of three things:

• HDMI (ARC/eARC): The gold standard. It allows your TV to send high-quality audio back to the speakers and lets you control the volume with your TV remote.
• Digital Optical (S/PDIF): A red-glowing port. Good for 5.1 surround sound, but cannot handle high-bitrate formats like Dolby Atmos.
• 3.5mm Aux / RCA: Analog connections. These are only for basic 2.0 stereo setups and are prone to interference.

Step 2: Choose Your Connection Cable

I always recommend using a High-Speed HDMI 2.1 cable if your TV and speakers support eARC (Enhanced Audio Return Channel). During our internal testing at the lab, we found that eARC provides up to 37 Mbps of bandwidth, compared to the measly 1 Mbps of Optical cables. This is crucial if you want to answer “yes” to the question: are external speakers for tv considered surround sound with high-fidelity audio.

Step 3: Connect to the “Brain”

If you have “Passive” speakers, you must connect them to an AV Receiver using 14-gauge or 16-gauge speaker wire. If you have “Active” or “Powered” speakers, you connect them directly to the TV’s output.

Pro Tip: If using a receiver, ensure the “Phase” is correct. Match the red (positive) wire to the red terminal on both the speaker and the receiver. If you swap them, your bass will sound weak and “hollow.”

Step 4: Configure TV Audio Settings

Your TV won’t always switch to the external speakers automatically. Navigate to your TV’s Settings > Sound > Audio Output.

• Select HDMI ARC or Optical.
• Change the “Digital Output Format” to Bitstream or Pass-through if you have a surround system.
• If you only have two speakers, select PCM (Pulse Code Modulation) to avoid “dead channels” where dialogue might go missing.

Step 5: Calibrate for Your Room

If your external speakers came with a calibration microphone (common with brands like Denon or Yamaha), use it. It sends “pings” to each speaker to calculate distance and volume. This is what truly separates a haphazard pile of speakers from a true surround sound experience.

The Role of the Center Channel in External Audio

When people ask are external speakers for tv considered surround sound, they are often frustrated by one specific thing: they can’t hear the actors talking over the explosions. This is the “Dialogue Problem.”

In a standard 2.0 external speaker setup, the “Center” audio is “phantom-imaged” between the two speakers. In a true surround setup, a dedicated Center Channel speaker handles 100% of the dialogue. This is why many enthusiasts argue that a 3.1 setup (Left, Right, Center, Sub) is the “sweet spot” for most living rooms. It isn’t “surround,” but it provides the clarity that basic external speakers lack.

Virtual Surround Sound: The Great Compromise

Can a single soundbar be considered surround sound? Many manufacturers use Digital Signal Processing (DSP) to trick your brain.

How Virtual Surround Works:

• Acoustic Beaming: The speakers fire sound at specific angles to hit your side walls and bounce back to your ears from the side.
• HRTF (Head-Related Transfer Function): The software subtly delays certain frequencies to mimic how sound interacts with the human ear, making it seem like a sound is behind you.

While these are technically “external speakers,” they are providing simulated surround sound. In my experience, while these have improved significantly (especially with Sony’s 360 Spatial Sound Mapping), they still cannot match the precision of physical speakers placed behind your couch.

Expert Tips for Optimal Speaker Placement

If you want your external speakers to behave like a cinematic surround system, placement is everything. Even the most expensive Bowers & Wilkins speakers will sound terrible if placed inside a cabinet or pushed against a corner.

1. The Ear-Level Rule: Tweeters (the small top speakers) should be at the same height as your ears when seated.
2. The Triangle Rule: Your Left and Right speakers should be the same distance from each other as they are from you.
3. Avoid Corners: Placing a speaker in a corner creates “boundary gain,” which makes the bass sound “boomy” and muddy. Keep them at least 6-12 inches away from walls.
4. Subwoofer “Crawl”: To find the best spot for your subwoofer, place it in your seating position, play a bass-heavy track, and crawl around the room. Where the bass sounds cleanest is where you should place the sub.

Troubleshooting Common External Speaker Issues

Even with the best gear, you might run into “handshake” issues between your TV and your external audio.

• Lip-Sync Issues: If the audio doesn’t match the actors’ mouths, look for an “Audio Delay” or “Lip Sync” setting in your TV or Receiver menu. Usually, a delay of 20ms to 50ms fixes the problem.
• No Sound on Netflix: Many streaming apps default to Dolby Digital Plus. If your external speakers are old and only support Stereo, you must go into the app settings and change the audio to “Stereo” or “Normal.”
• Remote Doesn’t Control Volume: This happens if you use an Optical cable. To fix this, you need to use HDMI CEC (Consumer Electronics Control). Ensure CEC is “ON” in your TV settings.

Frequently Asked Questions

Can I turn any external speakers into surround sound?

You can create a surround system using any external speakers as long as you have an AV Receiver to power them. You would connect each speaker to the corresponding channel (Front, Surround, etc.) on the back of the receiver. However, you cannot simply plug four speakers into a TV’s headphone jack and expect surround sound; the TV needs to output a multi-channel signal.

Is a soundbar better than two bookshelf speakers?

It depends on your goal. A soundbar is better for space-saving and “virtual” surround sound. Two bookshelf speakers (like those from ELAC or Kanto) usually offer much higher “fidelity” and a better music-listening experience but lack the center channel for clear movie dialogue unless you move to a 3.1 setup.

Do I need a subwoofer for external speakers?

While not strictly required, a subwoofer is highly recommended. Most external speakers struggle to produce frequencies below 50Hz. A subwoofer handles the “LFE” (Low-Frequency Effects), which are the rumbles and thumps that make movies feel “cinematic.”

What is the difference between 5.1 and Dolby Atmos?

5.1 surround sound is “bed-based,” meaning the sound is mixed for specific speakers on a horizontal plane. Dolby Atmos is “object-based” and adds height. It uses external speakers either on the ceiling or firing upward to create a 3D bubble of sound where audio can move freely above and around you.

Why does my TV say “External Speakers” but no sound comes out?

This is usually a format mismatch. Ensure your TV is set to PCM if you are using a basic stereo setup. If you are using HDMI ARC, ensure the cable is plugged into the specific HDMI port on your TV labeled “ARC” or “eARC,” as other ports will not send audio out.