EXTRA CONTACT LOGIN menu
Buying guide

How to Choose Studio Monitors: Size, Room, Connections

Why hi-fi speakers don't work, what monitor size your room needs, how to position them, what cables to use, and which models are sold individually or as a pair.

Presonus Eris 3.5 Mk2
7 picks in this guide
Contents
  1. Studio Monitor or Hi-Fi Speakers?
  2. Choose Size for Your Room, Not Your Budget
  3. Placement Is Worth Half the Price
  4. What Cable Do You Need: From Interface to Monitors
  5. Single or Pair? Read Twice
  6. Our Recommendations
  7. Volume, Neighbours and the Rest of the Truth
  8. Next Steps
  9. Frequently Asked Questions

"Which studio monitors should I get?" is one of the most common questions we get from people building their first home studio. The honest answer doesn't start with a model, but with your room: how big it is, where your desk sits, and how loud you can play without upsetting anyone. A "better" monitor on paper can sound worse in the wrong room.

This guide covers what matters, in order: why regular speakers don't work, what size fits your room, how to position them, what cables you need to connect to your interface, and finally, our recommendations based on real sales in our shop.

Studio Monitor or Hi-Fi Speakers?

Living room speakers are built to please: more bass, sweeter highs, a sound that flatters any track. Studio monitors do the opposite. They're designed for as flat a frequency response as possible, so you hear your recording as it truly is, flaws and all. At first, they might sound more restrained and less impressive than hi-fi speakers. That's not a flaw – it just means they're not adding anything extra.

The point is simple: if you mix on speakers that beautify the sound, your mix will only sound good on those speakers. On a phone, in a car, or on someone else's headphones, it'll sound different than you expected. On an honest monitor, what sounds good will stay good almost everywhere. That's why they're called "reference monitors" in the specs.

Choose Size for Your Room, Not Your Budget

The quick rule: 3–4-inch woofers for a desk and a small room, 5-inch for a small-to-medium room, 7–8-inch for larger rooms. The number is the diameter of the bass driver, which determines how low the speaker can go.

The classic temptation is "I'll get the biggest ones, just in case." With monitors, this backfires: in a small, untreated room, an 8-inch monitor excites the room's resonances and you end up hearing more of the room than your mix. An 8-inch monitor in a room three metres by three isn't an upgrade – it's a new problem. If you're at a desk in a typical apartment room, a properly placed pair of 3–4-inch monitors will serve you better than a giant turned down low.

The 5-inch class is the classic compromise for a small-to-medium room: enough bass to judge a kick drum, but controlled enough not to fight the walls. The 7–8-inch step makes sense once your room is over 15–20 square metres, or if you work in genres where bass is the main focus and you have space to place them away from the wall.

Placement Is Worth Half the Price

We've seen plenty of setups where a good monitor sounded bad due to three positioning mistakes. First: tweeters should be at ear height when you're seated, not on the desk next to your keyboard aiming at your chest. Second: you and the two speakers should form an equilateral triangle – the distance between the speakers equals the distance from each speaker to your head, with the speakers angled slightly towards you. Third: if they're right up against the wall, monitors will have boomy bass, because low frequencies reflected off the wall add to the direct sound, and on models with a rear-firing bass-reflex port the effect is even more pronounced; just a few dozen centimetres away from the wall can noticeably improve bass clarity.

For height, there are simple solutions: studio monitor stands raise the speakers to ear level regardless of your desk, and monitor supports and isolation pads do two jobs at once: they angle the speaker towards your ear and decouple it from the desk, so your table doesn't vibrate with every bass note. One of the adjustable stands we sell constantly is recommended below.

What Cable Do You Need: From Interface to Monitors

This is where many people get stuck: the monitors arrive, the interface is on the desk, and nothing connects because active studio monitors usually don't include a signal cable in the box. That's not a rule we invented – monitor cables are among the best-selling products in the entire monitoring category.

The basic rule: most audio interfaces have monitor outputs on 1/4-inch (6.3 mm) TRS jacks, and "serious" monitors accept balanced signals via TRS or XLR. Balanced means immune to hum and noise along the way, so it's the first choice whenever both ends support it. Specifically, from the Adam Hall range we always stock: 4Star TRS-TRS 1.5 meter for interfaces with jack outputs and monitors with jack inputs, or 4Star XLR-TRS, in 1.5 and 3 meter versions, if you prefer to use the monitor's XLR input. For more on choosing your interface, see our separate guide.

"Consumer" setups are covered too: for a source with RCA outputs, there are RCA to TS (mono) jack cables, like the 3Star RCA-TS, and for a phone or laptop headphone output, use a mini-jack to RCA cable, straight into the RCA or mini-jack inputs that many compact monitors have exactly for this scenario. Before you order, take two minutes to check the back of both units: interface outputs, monitor inputs, and the right cable will be obvious.

Single or Pair? Read Twice

The most common reason for dissatisfaction with monitors, from our direct experience: the customer thought they'd ordered a pair and received a single speaker. There's no catch – the industry simply has two conventions: compact desktop monitors are usually sold as a pair, while classic studio monitors like the Yamaha HS series are sold individually, so you need two for stereo. The listed price can mean very different things for two products that look the same in a list.

In the recommendations below, we've stated clearly for each model how it's sold. Make this a habit when comparing prices between shops: a "cheaper 5-inch monitor" is sometimes just half a pair.

Our Recommendations

Six monitors and a stand: the starter pair, the budget alternative, the 5-inch reference, two 8-inch options, and a premium desktop set. All are chosen from what actually sells and brings satisfied customers back, not from internet top lists; prices and stock shown on the cards are up to date.

Our standard starter is the pair most of our customers begin with – the best-selling studio monitor in our shop, with over 200 pairs sold in the past year. 3.5-inch woofer, 1-inch silk tweeter, 25 watts per channel, with a volume control and a headphone output with its own amplifier on the front. Accepts a balanced 6.3 mm TRS input, plus RCA or mini-jack, so you can connect both an interface and a laptop or phone. Sold as a pair: one active and one passive speaker, with the link cable between them and two source cables included. It doesn't go below 80 Hz, but at this price point, nothing goes much lower; for a desk and a small room, it's just right.

Starter pair
PresonusEris 3.5 Mk2Studio Monitorsin stock

The budget alternative comes from M-Audio: also a pair system, with one active speaker powering the passive one, 4.5-inch Kevlar woofers and 1-inch silk-cone tweeters, at 2×25 W. It has RCA, 1/4-inch TRS jack and auxiliary mini-jack inputs, headphone output on the front, EQ controls for adjustments, and, unlike the starter pair, Bluetooth, for when you want to quickly play a track from your phone. Interconnect and source cables are in the box.

Budget, fully loaded
M-AUDIOBX4 BT PairAudio Monitorsin stock

The 5-inch category reference remains the Yamaha HS5: bi-amped with 45 watts for lows and 25 for highs, 5-inch woofer, 1-inch tweeter, and a response from 54 Hz to 30 kHz designed for mixing in small spaces. XLR and TRS inputs accept balanced or unbalanced signals, and Room Control and High Trim switches let you make small adjustments for your room. Note the convention mentioned above: HS5 is sold individually, so for stereo, add two to your cart.

5-inch reference
YamahaHS5 BlackStudio monitoron order

When the room allows, Yamaha's 8-inch step is the HS8: 75 watts for lows, 45 for highs, 8-inch woofer, and a response down to 38 Hz, with traits inherited from the classic NS-10. Same XLR and TRS inputs, same room controls, plus a low-cut switch. At over 10 kg each, it's a monitor that needs a solid desk or stand. Also sold individually. Available in white too, if looks matter in your studio.

8-inch classic
YamahaHS8 BlackActive studio monitorin stock

Also 8-inch, but more budget-friendly, the Presonus Eris Studio 8: 8-inch woven composite woofer, 1.25-inch silk-dome tweeter, 140 watts Class AB, and a response from 35 Hz. Two details make it suitable for rooms that aren't true studios: the bass-reflex port is front-firing, so it doesn't blow straight into the wall behind it, and the acoustic controls are unusually rich at this price, with continuous controls for highs and mids, compensation for room placement, and a high-pass filter at 80 or 100 Hz. XLR, balanced jack, and RCA inputs. Here too, the price is for a single speaker.

Affordable 8-inch
PresonusEris Studio 8Studio monitorin stock

And if space is tight but expectations are high, the premium desktop pair: IK Multimedia iLoud Micro, two palm-sized speakers with built-in DSP and 50 watts total, reaching down to 55 Hz – lower than you'd expect from 3-inch woofers. Sold as a pair, with power cable, link cable between speakers, and a mini-jack to RCA cable in the box, and light enough to take with you when you travel. One technical caveat: inputs are mini-jack and RCA only, no XLR or 1/4-inch jack, so check your interface outputs first, with an eye on the cable section above.

Small but premium
IK MultimediaiLoud Micro MonitorPortable Studio Monitorsin stock

And the item everyone forgets: the stand. The Adam Hall model adjusts from 91.5 to 150 centimetres with a clamping screw, and for heavier monitors you can lock the height at any of five positions with a locking pin; it supports up to 35 kg and has a 23×23 cm anti-slip plate, removable if your speaker has a standard 35 mm pole mount. With this, "tweeter at ear height" no longer depends on your desk.

The ear at the right height
Adam HallSKDB-039Studio Monitor Standin stock

Volume, Neighbours and the Rest of the Truth

One thing spec sheets won't tell you: you don't need high volume for mixing. Good monitors sound balanced even at low levels, and at reasonable volumes you actually hear more accurately, not just louder. If your main concern is the neighbours, isolation pads under the speakers reduce exactly the part that travels through the desk and floor, and for late nights, the honest solution is headphones: we've written a separate guide on studio headphones. And if you feel you're missing the lowest octave, don't rush to blame the monitors – before any subwoofer, read our subwoofer guide, because in a small room, a poorly placed sub does more harm than good.

Next Steps

The full range, from desktop pairs to 8-inch monitors, is in the active studio monitors category. And if you want a recommendation for your specific situation (room, interface, and the music you work on), write to us: we'll reply with concrete models and cables, not just a list of links.

Frequently Asked Questions

Why aren't hi-fi speakers suitable for studio use?

Because they're designed to enhance the sound, not reveal it as it is. A mix done on flattering speakers will only sound good on those, and will fall apart on a phone or in a car. Studio monitors have as flat a response as possible: less impressive to listen to, much more reliable to work on.

Do I need one monitor or a pair?

For mixing, you need a pair: without stereo, you can't judge the stereo image or the sense of space in a track. Pay attention to how they're sold, as it varies by model: desktop compacts are usually sold as a pair, while classic studio monitors like the Yamaha HS series are sold individually. Check the product page before ordering; in our guide recommendations, we've stated clearly how each is sold.

Do I need a subwoofer with studio monitors?

At first, almost certainly not. In a small room, a poorly set subwoofer creates more bass problems than it solves, and 5–8-inch monitors cover enough for most genres. When your room and style really require it, we have a separate guide on choosing a subwoofer.

Can I mix only on headphones?

You can do a lot of work on headphones, especially at night or on the go, but with a known limitation: bass and stereo imaging are harder to judge on headphones, so a final check on monitors is still the standard. The practical combo is a pair of monitors suited to your room plus studio headphones for the hours when you can't turn up the volume; we have a dedicated guide on studio headphones.

Do I need acoustic treatment before getting monitors?

You don't have to start with it, but don't ignore it. Correct placement is free and solves more than you'd expect: tweeters at ear height, equilateral triangle between you and the speakers, distance from the wall. Isolation pads decouple the speakers from the desk, and serious room treatment comes as the next step when you want to get the most out of what you already have.

What cable do I use between interface and monitors?

In most cases, a balanced cable: 1/4-inch (6.3 mm) TRS to TRS, or TRS to XLR, depending on the monitor's input, because balanced signals are immune to hum along the way. Signal cables usually aren't included with monitors, so add them to your first order. For sources with RCA or mini-jack, there are dedicated adapters, and some compact monitors even have RCA and mini-jack inputs.

Ready to choose? See all products, with filters by price and brand.
Explore Studio Monitors

Related guides

Not sure which one fits you? Talk to a specialist - musicians, not call-centre operators.
+40 356 228 228 Mon–Fri, 9:00–17:30
Fast delivery from stock
14-day returns
Warranty and service
Advice from musicians
WhatsApp Messenger Instagram