Cambridge Audio L/R: S vs M vs X — Which Fits Your Room?

Before we talk about watts, tell me where these are going.

On either side of a computer? Across the living room? Next to the television, with a turntable nearby? Those are different jobs. A speaker can be a very good product and still be the wrong choice for the way you want to use it.

That is how we look at Cambridge Audio’s L/R family. All three models put amplification inside the speakers. The S keeps the system compact and straightforward. The M adds built-in network streaming and more ways to connect your sources. The X takes that fuller system concept and gives it more output capability and deeper specified bass extension.

So the useful question is not simply, “Which one is best?” It is, “What am I asking the system to do?”

Two speakers still matter.

There is a reason we keep coming back to a proper stereo pair. Give the left and right channels some space, sit in a sensible listening position, and a recording can develop width, depth and a center image between the cabinets. That is part of the pleasure of sitting down with music.

Active speakers let you pursue that experience without choosing a separate amplifier. The manufacturer can design the amplification, drivers and processing together. You are buying a system, even if it looks like two boxes.

The trade-off is worth understanding: you cannot change the amplifier independently later. If choosing components and upgrading them one at a time is part of the fun for you, separates still have a very good reason to exist.

Choose the S when the system needs to fit your desk.

The L/R S is the small, uncomplicated member of the family. It has Bluetooth, USB-C audio, optical and RCA line inputs. It does not have built-in Wi-Fi streaming, HDMI eARC or a phono stage. [1]

For someone who mainly listens from a computer or phone, that may be exactly enough. I would rather help you set up a sensible pair of speakers properly than sell you a long list of features you will never use.

Give them a stable surface, keep the two speakers reasonably symmetrical, and get the tweeters aimed toward your listening position. A crowded desk can undo a surprising amount of good engineering. And if you are connecting a turntable, remember that its output needs a phono stage somewhere in the chain.

Explore the L/R S in more detail →

Choose the M when music, television and vinyl share a room.

The L/R M is where the family becomes a more complete source hub. StreamMagic handles network streaming; HDMI eARC accommodates a compatible TV; an MM phono input accepts a suitable moving-magnet turntable setup. [2]

That changes the buying conversation. You are now comparing the cost and footprint of an entire system, rather than comparing the price of these speakers with a passive pair that still needs an amplifier and sources.

The M is the one I would start discussing when space matters but you want more than a desktop arrangement. Do not buy the X automatically because it is the flagship. First tell us how far away you sit, how open the room is, and how loud you actually listen.

Explore the L/R M in more detail →

Choose the X when this is the main system.

The L/R X is the model to examine when you want the convenience of the M with greater scale in the design. Cambridge specifies 800 watts across the pair, two 5-inch woofers and two 6-inch passive radiators per cabinet, and a 35Hz–24kHz response at ±3dB. [3]

Here is the part that interests me: headroom is useful even if you do not listen loudly all the time. Music has peaks. A drum strike, a piano attack or a sudden orchestral swell asks more of a system than its average listening level suggests. The reason to investigate the larger model is what it can do with those demands in your room—not the chance to put a bigger number on a shopping list.

Those are reasons to audition it, not a promise that a compact speaker will do everything a large floorstander can do. Listening distance, room volume and bass expectations still count. This is a buying guide based on the published designs, rather than a claim that we have completed a comparative listening test.

Explore the L/R X in more detail →

The differences that affect your decision.

Manufacturer figures are useful reference points, not a measurement of performance in your room. Room-use suggestions are House of Stereo’s guidance. Sources below.

A few things we would sort out before you order.

Streaming is more than Bluetooth.

With the M and X, built-in network streaming means you do not need to add a separate network player just to get started. Check the services and control methods you use before buying. An aptX logo on the S does not make it the more complete streaming system.

Do not bury the speakers in furniture.

Start with sensible placement and then use the available adjustments. Give the cabinets breathing room, avoid blocking drivers, and listen from your usual seat. Processing is useful; it does not make the furniture disappear.

A subwoofer is a system decision.

All three provide a subwoofer output. That gives you an option, not an obligation. We would look at the room, your music and the bass you want before adding one. A well-integrated sub can be valuable; an unnecessarily loud one can dominate everything you liked about the speakers in the first place.

Check the cartridge, not just the turntable.

The M and X phono inputs are for moving-magnet use. Do not assume every cartridge is a direct match. Tell us what you own and we will work through the connection with you.

Where we would begin.

If this is a desk system, start with the S. If you want streaming, TV and vinyl in a compact arrangement, start with the M. If you are building your primary listening system and asking for more output and bass capability, put the X on the shortlist.

Then let’s talk about the room. That is how we get from a good product to a system you actually enjoy.