Studio monitors are sized by their woofer, the big speaker cone: usually 3 to 8 inches. A bigger woofer reaches deeper bass and plays louder without strain, but more bass is only useful if your room can handle it. In a small, untreated room, big monitors excite the room's own resonances and the low end turns into boom, which leads to bad mixing decisions.
The rule of thumb: match the monitor to the room and the listening distance.
Which size for which room?
| Room / setup | Woofer size | Why |
|---|---|---|
| Desk, small bedroom, listening under 3 ft (1 m) | 3.5 to 5 inches | Enough bass for the space, no boom |
| Small studio room, 3 to 5 ft away | 5 to 7 inches | The most versatile range |
| Larger, treated room, 5 ft+ away | 8 inches, or 5 to 7 inches plus a subwoofer | Deep bass needs space to develop |
At Thomann, 5-inch monitors are the most common size by far (69 active nearfields in our count, against 41 with 8-inch woofers).
What the size changes: Yamaha's HS line
Yamaha's HS series is the clearest comparison, because the three models are identical except for size:
| Model | Woofer | Lowest frequency | Power |
|---|---|---|---|
| HS5 | 5" | 54 Hz | 70 W |
| HS7 | 6.5" | 43 Hz | 95 W |
| HS8 | 8" | 38 Hz | 120 W |
Each step down in frequency is real bass you'll hear, from the low string of a bass guitar (41 Hz) to the sub-bass in electronic music. Whether you *should* hear it depends on the room.
Yamaha HS 5, $178
The desk and bedroom choice, sold individually, so budget for two. #1 of 224 active nearfield monitors.
Yamaha HS 7, $246
The middle size, for a small dedicated studio room. #3 of 224 active nearfield monitors.
Yamaha HS 8 W, $316
The 8-inch HS, for larger rooms with some acoustic treatment. #2 of 224 active nearfield monitors.
On a tight budget
Presonus Eris Studio 4, $104
A 4.5-inch monitor reaching 55 Hz, almost as deep as the HS5 on paper, at a lower price. #11 of 224 active nearfield monitors.
When to add a subwoofer
If you mix bass-heavy music in a room that can handle it, a subwoofer added to 5 to 7-inch monitors covers the lowest octave. Set it up carefully: a badly placed sub is worse than none.
Yamaha HS 8S, $589
The matching HS subwoofer. #3 of 45 subwoofers.
Questions
Are 5-inch studio monitors enough?
For a desk or a small bedroom studio, yes. Pair them with headphones to check the deepest bass.
Is bigger better for studio monitors?
Only in a room that's big and treated enough. In a small room, 8-inch monitors often make mixes worse.
How far should studio monitors be from me?
Usually about as far from you as they are from each other, forming an equilateral triangle, with the tweeters at ear height.
How we measured. Woofer sizes and frequency ranges come from Thomann's product data; the size count covers active nearfield monitors in stock on October 18, 2026 whose description states the woofer size. Products show today's price and rank, updated every night.
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Denis Kataev runs AudioFu. Every night the site records the prices of more than 38,000 instruments and studio tools at Thomann, and he writes about what those numbers show: what got cheaper, what just arrived, and which discounts are real.
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