Comparison
Soundbar vs Subwoofer: Do You Need One, the Other or Both?
A soundbar and a subwoofer are not really rivals. A soundbar handles dialogue, music and effects across most of the frequency range. A subwoofer handles only the deepest bass. The real question is which one to buy first and whether your room needs both.
Pros of a soundbar
- Clear dialogue: a center channel and voice modes fix the most common TV sound complaint.
- One-box simplicity: a single HDMI eARC cable and your TV remote controls the volume.
- Wide sound: stereo and virtual surround spread effects across the front of the room.
Cons of a soundbar
- Limited deep bass: slim cabinets cannot move enough air for the rumble of explosions and low music notes.
- Virtual effects: surround and height effects without extra speakers are subtle.
Pros of a subwoofer
- Cinematic impact: deep bass you feel as well as hear in films and games.
- Takes load off the bar: the soundbar can play louder and cleaner when it does not have to reproduce low bass.
- Flexible placement: wireless subwoofers can sit almost anywhere with a power outlet.
Cons of a subwoofer
- Not a standalone upgrade: it needs a soundbar or receiver with a subwoofer output or a compatible wireless link.
- Neighbors and space: deep bass travels through walls and floors, and the cabinet needs floor space.
- Brand lock-in: most wireless subwoofers pair only with soundbars from the same manufacturer.
Which upgrade first?
If voices are hard to follow, start with a soundbar; it improves everything you watch. If you already own a decent soundbar and films feel thin, adding a compatible subwoofer gives the biggest jump in impact. Many soundbars are sold in packages with a subwoofer, which is usually cheaper than buying both separately.
Placement and setup
Subwoofers usually sound fuller near a wall or corner. Try a few positions and listen to the same scene. Use the soundbar's settings to balance subwoofer level so bass supports dialogue rather than overwhelming it. Night modes reduce bass when others are sleeping.
Small rooms and apartments
In small rooms, a compact soundbar with built-in woofers may be enough. In apartments, consider a smaller subwoofer and keep the level moderate to avoid disturbing neighbors.
Verdict: which to choose
Buy a soundbar first for clearer TV sound. Add a subwoofer from the same brand when you want deeper, more cinematic bass and your living situation allows it.
Want the full checklist, price tiers and FAQs? Read our soundbars buying guide.