Where to Place a Subwoofer With a Soundbar
Working out where to place a subwoofer with a soundbar usually starts with a boom: the bass swamps the dialogue from one seat and all but disappears from the next.
Most subwoofers end up wherever there’s floor space near the TV, and the room decides the rest.
That’s why the same subwoofer can sound tight in one home and muddy in another.
A few feet of movement often fixes more than any setting, because bass bounces around a room differently from the rest of the sound.
Below you’ll find the best starting spots, a simple test that finds the right one in your room, and the places a wireless subwoofer should never go.
Where Should the Subwoofer Go With a Soundbar?
That room-by-room difference is why placement guides disagree, but they share one safe starting point. Put the subwoofer on the floor in the front half of the room, near the TV and soundbar, and at least a foot away from any wall (Polk Audio).
From there, three rules keep it working:
- Keep it within wireless range. Samsung’s HW-B550 manual gives a maximum range of about 10 meters (33 feet) between the soundbar and a wireless subwoofer.
- Keep it out of cabinets. Polk calls a spot inside a cabinet the worst-case scenario for a subwoofer.
- Keep the path clear. A metal or steel-reinforced concrete wall between the bar and the subwoofer can stop the wireless signal completely.
Most people can stop there and be happy. If the bass still sounds boomy or thin from your seat, the rest of this guide finds a better spot.
Why Does Subwoofer Placement Change the Sound So Much?
Those “boomy or thin” results come from the room, not the subwoofer. Bass waves are long enough to bounce off walls, floors and ceilings, and where they meet they either add up or cancel out.
Walls and corners act as boundaries that reinforce bass. Bose describes a front corner as a great option for exactly that reason: the walls amplify the low end (Bose).
Too much reinforcement is the catch. Polk warns that a subwoofer pushed directly into a corner or up against a wall tends to sound boomy, with bass that drowns out detail.
Polk also notes that low frequencies are less directional than high ones. That’s good news for a soundbar setup, because it means the subwoofer doesn’t have to sit right under the TV for the sound to feel like it comes from the screen.
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That corner advice is where the two big guides split, and both are right in different rooms. A corner gives the most bass for the least volume; it just doesn’t always give the most even bass.
| Spot | What it does | Try it when |
|---|---|---|
| Front corner | Walls boost the bass output | The bass sounds weak or thin |
| 12 to 18 inches from a wall | Keeps some boost, less boom | A corner sounds boomy |
| About a third of the way into the room | Polk’s rule of thirds for the most even bass | You can place it away from the wall |
| Right next to the TV stand | Easy, and close to the bar | You have no other floor space |
Polk’s rule of thirds puts the subwoofer about a third of the way from the wall into the room, or one fifth of the way if a third doesn’t fit. If it must sit near a wall, Polk suggests pulling it out 12 to 18 inches.
So start in the front corner nearest the TV if your bass sounds weak. If it booms, slide it out along the wall a foot at a time and listen again.
How Do You Find the Best Spot With the Subwoofer Crawl?
Those starting spots are educated guesses, and the subwoofer crawl replaces the guessing with your own ears. It sounds odd, but both Bose and Polk recommend it:
- Put the subwoofer on your main seat, roughly at ear height.
- Play a bass-heavy song or a loud action scene on repeat.
- Get down on the floor and crawl slowly around the front of the room, keeping your head low where the subwoofer might go.
- Listen for where the bass sounds smoothest, tightest and most even.
- Mark the best spots with tape.
- Move the subwoofer to the best practical mark, then listen from your seat.
It works because sound travels both ways. The spot where the bass sounds best to your head on the floor is the spot where the subwoofer will sound best to you on the couch.
Bose adds a sensible final step: rule out any marked spot that’s a tripping hazard or just looks wrong in the room. The best spot is the best one you’ll actually live with.
Can the Subwoofer Go Behind the Couch?
The crawl sometimes points to a spot near the seats, and that can work. Bose lists behind the sofa as one of the possible spots, while noting that every room is different.
A wireless subwoofer makes this easy, since only a power cord has to reach it. Keep it within the soundbar’s wireless range, and check that nothing metal sits between the two.
Two cautions come with a spot this close. The bass can feel stronger than it does anywhere else in the room, so turn the subwoofer level down a step or two.
And a subwoofer right behind your head can make the bass seem to come from behind you rather than from the screen.
Where Should a Wireless Subwoofer Never Go?
That behind-the-couch spot works, but some spots never do, mostly because of the signal or the space around the subwoofer. Avoid these:
- Inside a cabinet or closed TV stand. Polk calls it the worst-case scenario for a subwoofer.
- Behind metal or concrete. Samsung’s manual says a steel-concrete or metallic wall can stop the wireless link completely.
- Next to a busy wireless device. Samsung warns that devices on the same 5.8GHz band can cause sound interruptions, so keep the soundbar and subwoofer clear of routers and other wireless gear.
- Out of range. Past about 10 meters, or through several walls, the subwoofer will cut out.
If your subwoofer drops out after a move, re-pair it before blaming the new spot. Our guide to re-pairing a soundbar with its subwoofer covers the steps most brands share, and Samsung owners can use our guide to linking a Samsung subwoofer with ID SET.
Where to Place a Subwoofer With a Soundbar in an Apartment
Those wireless cautions matter less in an apartment than the people on the other side of the floor. Bass travels through floors and shared walls far more easily than dialogue does, so the spot that sounds best to you may be the one your neighbors hear most.
Start by keeping the subwoofer off shared walls, and out of any corner that touches one. The same corner boost that makes bass fuller in your room also pushes more of it into the building.
Then break the direct contact with the floor. A thick rug under the subwoofer helps, and so does a dense foam or rubber isolation pad made for speakers.
At night, turn the subwoofer level down rather than the soundbar’s master volume, since the low end is what carries. If the complaints continue, our guide to stopping sound from traveling between floors covers the building side of the problem.
What If Every Spot Still Sounds Boomy?
Sometimes the crawl finds no good spot at all, and the bass booms wherever the subwoofer goes. That usually means the room itself is the problem: hard, bare corners are storing up the low end and releasing it as a drone.
Bass traps are the fix for that, and they work where the boom builds up. Soft, thick absorbers in the room’s corners soak up the excess low end that no amount of moving the subwoofer can reach.
A living room rarely needs a studio’s worth of them. Our guide to placing bass traps shows which corners to treat first.
What Settings Should You Change After Moving the Subwoofer?
A new spot changes how much bass reaches you, so the level that suited the old spot is probably wrong now. Sit in your usual seat and adjust the subwoofer level on the soundbar remote until dialogue stays clear during loud scenes.
On Samsung’s HW-B550, for example, the WOOFER button sets the level to -12 or anywhere from -6 to +6. Other brands put the same control under a sub or bass level button, or in their app.
Some soundbars can also measure the room for you. Samsung’s SpaceFit Sound, for instance, scans the room with a click of the remote and tunes the surround sound and voice quality to suit it (Samsung).
Run a calibration like that again after every move, since the old measurement describes a room the subwoofer no longer sits in.
Where Does the Soundbar Itself Go?
The subwoofer has room to roam, but the soundbar doesn’t. TCL’s advice is simple: put the bar on the table right below the center of the TV (TCL).
Keep its front edge clear, so the TV stand’s lip or a decoration doesn’t block the drivers. Our guide to where to put a soundbar covers shelves, cabinets and wall mounting in detail.
Frequently Asked Questions
Does a subwoofer have to be next to the soundbar?
No. Bass is less directional than higher sounds, so the subwoofer can sit anywhere in the front half of the room, or even near the seats, as long as it stays within wireless range.
How far should a subwoofer be from the wall?
Polk suggests at least a foot, or 12 to 18 inches if the subwoofer has to sit near a wall. Move it closer only if the bass sounds thin.
Can I put a soundbar subwoofer in a cabinet?
Avoid it. Polk calls a cabinet the worst-case spot for a subwoofer; a spot on the open floor nearby will sound better.
Should the subwoofer be on the floor?
For most soundbar subwoofers, yes. The floor is where they’re designed to sit, and it’s where the subwoofer crawl finds the best spot.
Does the subwoofer need to face the seats?
Not usually. Bass spreads out in every direction, and as Polk notes it’s less directional than higher sounds, so the spot on the floor matters far more than which way the driver points.
Why does my subwoofer sound louder in some seats?
That’s the room at work. Bass waves add up in some spots and cancel in others, which is why moving the subwoofer, or doing the subwoofer crawl, changes what each seat hears.
