If you want your sound system to pack a punch, you’ll need a subwoofer. A good sub takes care of all the low end, giving your PA a much bigger, fuller sound. From bands and DJs to live events and festivals, a subwoofer can completely change the way your PA sounds. It takes the strain off your main speakers, too, leaving them to focus on the mids and highs while the sub handles the bass.
In this guide, we’ll run through nine of the best subwoofers for live performance, explain what makes each one stand out, and cover the things you should consider before adding one to your setup.
Let’s get into it.
In a hurry?
If you have no time to stick around, here are our top three picks from this list:
| Yamaha DXS18 MK3 | A powerful 18-inch subwoofer that delivers deep, controlled bass for everything from live bands to larger outdoor events. | Check the current price |
| Mackie Thump GO Sub | A battery powered subwoofer that's perfect for adding more low end to compact PA systems without relying on mains power. | Check the current price |
| SubZero D18 | An affordable 18-inch active subwoofer with plenty of output for bands, DJs, and larger events. | Check the current price |
Why we’ve chosen these subwoofers
Not every subwoofer is right for every setup. Some are designed to be as portable as possible, while others are built to deliver huge amounts of low-end for larger venues and outdoor events.
That’s why we’ve included a mix of different models in this guide. Some are ideal if you’re adding a subwoofer to your first PA system, while others are better suited to professional bands, DJs and live sound engineers who need more output.
We’ve also looked at things like power, portability, build quality and value for money. No matter what sort of events you’re playing, there’s a subwoofer here that’ll suit your setup.
The best subwoofers for live performance
1. Yamaha DXS18 MK3 18″ Active PA Subwoofer
Key features
- 18-inch active subwoofer
- 1,600W Class-D amplifier
- Cardioid mode support
Pros
- Deep, powerful bass
- Built for demanding live sound
- Easy to pair with Yamaha DZR and DXR speakers
Cons
- Large and heavy to transport
The Yamaha DXS18 MK3 is built for larger PA systems where plenty of low-end is a must. If you’re playing bigger venues, outdoor events, or regularly mixing live bands, it has the output to keep up without breaking a sweat.
One thing Yamaha has got right is keeping the bass tight and controlled. It’s got plenty of depth, but it never feels overpowering, helping kick drums and bass guitars sit nicely in the mix rather than taking over.
If you’re running multiple subwoofers, the built-in cardioid mode is another useful feature. It helps reduce the amount of bass spilling onto the stage, making it easier for you to hear yourself while keeping more of the low-end focused on the audience.
Like most 18-inch subwoofers, it’s not the easiest thing to move around on your own. But if you need a subwoofer that’s built for bigger events and regular gigging, the DXS18 MK3 is more than up to the job.
2. Mackie Thump GO Battery-Powered Subwoofer
Key features
- Battery-powered active subwoofer
- Up to 12 hours of battery life
- Bluetooth connectivity
Pros
- Completely portable
- No mains power required
- Pairs seamlessly with the Thump GO speaker
Cons
- Limited output compared to mains-powered subwoofers
The Mackie Thump GO Sub is a bit different to everything else on this list. It’s one of the only battery-powered PA subwoofers available, making it a great option if you’re putting on events where mains power isn’t available.
It’s designed to work alongside the Mackie Thump GO speaker, creating a completely battery-powered PA system that’s ideal for busking, outdoor fitness classes, garden parties, and smaller events. If you’ve ever wished you could add more bass without having to find a plug socket, this does exactly that.
Don’t expect it to compete with a full-size 18-inch subwoofer, though. Battery-powered systems naturally have their limits, and this is aimed at portability rather than outright output. For the sort of events it’s designed for, however, it adds a noticeable amount of low-end without making your setup much harder to transport.
If you’re already using the Thump GO or any battery-powered system, this feels like a natural upgrade. It gives your music much more depth while keeping the flexibility that makes battery-powered PA systems so useful in the first place.
3. SubZero D18 1800W Active PA Subwoofer with DSP
Key features
- 18-inch active subwoofer
- 1,800W peak Class-D amplifier
- Built-in DSP presets
Pros
- Excellent value for an 18-inch sub
- Powerful low-end performance
- Easy to integrate into an existing PA
Cons
- Large and heavy to transport
If you’re looking for a powerful 18-inch subwoofer without spending premium-brand money, the SubZero D18 offers a lot for the price.
An 18-inch driver is a noticeable step up from a 15-inch. It moves more air, extends the lower end, and gives kick drums, bass guitars, and backing tracks much more weight. It also takes the strain off your top speakers, leaving them to focus on the mids and highs while the sub does the heavy lifting.
The built-in DSP helps keep setup straightforward, with presets to get you up and running quickly. As an active subwoofer, there’s no need for a separate amplifier either, making it an easy addition to almost any live sound setup.
Like most 18-inch subwoofers, it isn’t something you’ll want to carry around on your own every day. But if you’re playing larger venues, outdoor events, or you simply want your PA to have a bit more authority, the D18 is a really capable option that doesn’t break the bank.
4. Alto Professional TX12S 12″ Active PA Subwoofer
Key features
- 12-inch active subwoofer
- 900W Class-D amplifier
- Built-in DSP protection
Pros
- Compact and lightweight
- Easy to transport
- Great for smaller PA systems
Cons
- Doesn’t offer the same low-end as a 15-inch or 18-inch sub
Bigger isn’t always better, and the Alto TX12S proves that. If you’re running a compact PA for pub gigs, acoustic performances, speeches or smaller events, a 12-inch subwoofer is often all you need.
Its smaller size makes it much easier to transport than some of the larger cabinets on this list, which is worth thinking about if you’re loading in on your own or don’t have loads of space in the van. Despite its compact footprint, it still adds plenty of low-end, giving your tops a helping hand without overpowering the mix.
Like any active subwoofer, setup is nice and simple. Just connect it to your mixer or PA, and the built-in crossover takes care of directing the low frequencies to the sub while your top speakers handle everything else.
If you’re trying to cover a large outdoor event or a busy nightclub, you’ll probably want something with a bit more behind it. But for smaller venues and portable PA systems, the TX12S is a practical choice that’s easy to live with.
5. LD Systems ICOA SUB 15A 15″ Active PA Subwoofer
Key features
- 15-inch active subwoofer
- 1,200W Class-D amplifier
- Cardioid preset
Pros
- Tight, punchy bass
- Easy to transport
- Cardioid mode for improved stage sound
Cons
- Not as powerful as an 18-inch subwoofer
If you’re looking for something that sits between a compact 12-inch sub and a larger 18-inch cabinet, the LD Systems ICOA SUB 15A is a good middle ground. It delivers plenty of low-end for live bands, DJs, and events, while still being manageable enough to transport from gig to gig.
One of its standout features is the built-in cardioid preset. If you’re using multiple subwoofers, this helps reduce the amount of bass spilling onto the stage, making it easier to hear the rest of the mix.
Like the other active subwoofers on this list, it’s straightforward to get up and running. The built-in amplifier and crossover mean there’s no need for extra equipment, making it an easy addition to an existing PA system.
If you’re regularly playing larger outdoor events, an 18-inch subwoofer will give you more low-end and greater output. But for weddings, function bands, pubs and medium-sized venues, the ICOA SUB 15A offers a really nice balance between performance and portability.
6. Electro-Voice ELX200-18SP 18″ Active PA Subwoofer
Key features
- 18-inch active subwoofer
- QuickSmartDSP with LCD interface
- Lightweight plywood cabinet
Pros
- Powerful low-end
- Easy-to-use DSP controls
- Lighter than many 18-inch subwoofers
Cons
- Requires mains power
If you need an 18-inch subwoofer but don’t want something that’s unnecessarily heavy, the Electro-Voice ELX200-18SP is a good option. It delivers the sort of low-end you’d expect from a larger cabinet while remaining relatively easy to transport between gigs.
The QuickSmartDSP is another nice feature. Instead of diving through complicated menus, you can make adjustments from the rear LCD screen, making it much quicker to get everything dialled in before a performance.
It’s the sort of subwoofer that suits a wide range of applications, too. Live bands, DJs, function rooms, and outdoor events can all benefit from the extra depth an 18-inch driver brings, especially if you’re playing music with plenty of low-end.
If you’re moving your own equipment from venue to venue, every kilogram makes a difference. The ELX200-18SP manages to balance output and portability well, making it a practical choice for anyone who wants plenty of bass without ending up with an oversized cabinet.
7. JBL EON718S 18″ Active PA Subwoofer
Key features
- 18-inch active subwoofer
- 1,500W Class-D amplifier
- JBL Pro Connect app control
Pros
- Plenty of low-end output
- App control and built-in DSP
- Great match for the JBL EON700 Series
Cons
- Best suited to users already invested in the JBL ecosystem
If you’re already using speakers from JBL’s EON700 Series, the EON718S is the obvious subwoofer to pair them with. It’s designed to work seamlessly with the rest of the range, giving you a simple way to add more low-end to your setup.
Like any good 18-inch subwoofer, it gives kick drums, bass guitars and backing tracks much more impact, while taking the strain off your top speakers. The result is a fuller, more balanced sound that’s much better suited to larger venues and outdoor events.
One feature that’s particularly useful is the JBL Pro Connect app. Along with the built-in DSP, it lets you adjust settings remotely from your phone, which is handy if you want to hear how the system sounds from the audience rather than standing behind the speakers.
Even if you aren’t already using JBL tops, the EON718S is still a capable subwoofer in its own right. But if you’re building or expanding an EON700 Series PA, it makes perfect sense to keep everything within the same ecosystem.
8. RCF SUB 905-AS MK3 15″ Active PA Subwoofer
Key features
- 15-inch active subwoofer
- 2,200W peak Class-D amplifier
- Bass Motion Control technology
Pros
- Impressive output for a 15-inch sub
- Compact and easy to transport
- Built for regular gigging
Cons
- More expensive than some other 15-inch options
If an 18-inch subwoofer feels like more than you need, the RCF SUB 905-AS MK3 is a great alternative. It proves you don’t always need a bigger cabinet to get powerful, punchy bass.
One of the biggest advantages of a 15-inch subwoofer is portability. It’s easier to lift, takes up less room in the van, and is generally quicker to move around, which is something you’ll appreciate after a long night loading out!
RCF’s Bass Motion Control technology also helps keep the low-end clean and controlled, even when you start pushing the volume. That means you get plenty of impact without the bass becoming loose or muddy.
For smaller and medium-sized venues, a subwoofer like this is often all you need. It delivers plenty of low-end while staying much more manageable than a larger 18-inch cabinet — great if you’re gigging most weekends.
9. SubZero C18S Passive PA Subwoofer with Behringer KM1700 Power Amplifier
Key features
- 18-inch passive subwoofer
- Pairs with the Behringer KM1700 power amplifier
- Rugged wooden cabinet
Pros
- Great value passive setup
- Easy to expand as your system grows
- Delivers powerful low-end
Cons
- Requires a separate power amplifier
Most of the subwoofers on this list are active, meaning they have a built-in amplifier. The SubZero C18S takes a more traditional approach. As a passive subwoofer, it needs an external power amp, which is why we’ve paired it with the Behringer KM1700.
While that does mean carrying an extra piece of equipment, passive systems still have plenty of advantages. They’re often easier to upgrade over time, simpler to repair if something goes wrong, and can actually be more cost-effective than an active sub if you’re building a larger PA system.
The 18-inch driver delivers the sort of low-end you’d expect from a cabinet of this size, making it a good choice for live bands, DJs, and larger events. Paired with the KM1700, you’ve got more than enough power to bring kick drums, bass guitars and backing tracks to life.
If you’re putting together your first PA, an active subwoofer is usually the simpler option. But if you prefer a traditional passive setup or you’re expanding an existing passive system, the C18S and KM1700 are a solid combination.
How to choose the right live sound subwoofer
By now, you’ve probably got a better idea of what’s out there, but how do you know which subwoofer is right for you?
The first thing to think about is size. A 12-inch subwoofer is a good match for smaller PA systems and speech-based events, while 15-inch and 18-inch models are much better suited to live music, DJs, and larger audiences. Bigger drivers generally produce deeper bass, but they also take up more room and weigh more.
You’ll also need to decide between an active and a passive subwoofer. Active models have a built-in amplifier, making them much quicker to set up, while passive subwoofers need an external power amp. They involve a little more equipment, but they can be easier to expand and maintain over time.
Another thing to consider is portability. If you’re moving your own equipment from gig to gig, the difference between a compact 15-inch cabinet and a large 18-inch subwoofer can be significant. If you’re regularly loading in on your own, it’s definitely worth thinking about.
Finally, think about the type of events you’re playing. A small pub gig doesn’t need the same amount of low-end as an outdoor festival, so buying the biggest subwoofer you can afford isn’t always the right answer. Choosing a model that suits your PA and the venues you play will usually give you the best results.
Setting up your subwoofer
Getting your subwoofer in the right place can make just as much difference as the subwoofer itself. Put it in the wrong spot, and you can end up with uneven bass, where one side of the audience gets loads of low-end while the other gets very little.
In most situations, it’s best to keep your subwoofer, or subwoofers, together near the centre of your setup. This helps the bass spread more evenly across the audience and reduces the chance of different sound waves cancelling each other out. Spreading subs too far apart can create peaks and dips in the low-end, meaning the bass sounds completely different depending on where you’re standing.
You’ll also want to set the crossover correctly. This controls which frequencies are sent to the subwoofer and which are left for your top speakers. When it’s dialled in properly, your system sounds much more balanced and your top speakers aren’t trying to reproduce bass they’re not designed for.
Phase is another setting that’s worth checking. If your subwoofer and top speakers are out of phase, they can start working against each other instead of together, reducing the amount of bass you hear. Most active subwoofers have a simple 0°/180° phase switch, so if you’re not sure which setting to use, try both and stick with the one that gives you the fullest, most even low-end.
Finally, don’t be tempted to turn the subwoofer all the way up. A good live mix is about balance. The best systems are the ones where you notice the extra depth without the bass overpowering everything else.
Understanding phase cancellation
Expanding on something we just covered in the last section, if your subwoofer and top speakers aren’t working together, they can start working against each other instead.
Think of it like two people pushing on opposite sides of a door. They’re both putting in effort, but because they’re pushing in different directions, not much happens. The same thing can happen with sound waves. Instead of adding together, they cancel each other out, leaving you with less bass than you should have.
That’s why most active subwoofers have a phase switch, usually labelled 0° and 180°. If your system sounds a bit thin or you’re not getting the low-end you expected, try flicking the switch and listening again. One setting will usually sound noticeably fuller than the other.
There’s no right or wrong setting either. It depends on your speakers, where the subwoofer is positioned and the room you’re playing in. The best option is simply the one that sounds right.
FAQs
Do I need a subwoofer for live performances?
A subwoofer isn’t essential for every live performance, but it can make a big difference to your overall sound. It handles the low frequencies, giving your PA more depth while allowing your top speakers to focus on the mids and highs.
What size subwoofer is best for live sound?
The best subwoofer size depends on your PA system and the type of events you play. A 12-inch or 15-inch sub is often enough for smaller venues, while 18-inch models are better suited to larger events and audiences.
Should I choose an active or passive subwoofer?
Active subwoofers are easier to set up because they have a built-in amplifier, while passive subwoofers require an external power amp. Active models are the most popular choice, but passive systems can be a good option if you’re building a larger or more traditional PA setup.
Final thoughts
Hopefully, you now have a better idea of which sub is right for your setup. From compact 12-inch models to powerful 18-inch cabinets, the best subwoofer for your live performance comes down to the type of event it is, the size of the rest of your system, and how much low-end you need.
If you’d like to learn more about PA systems and live sound, be sure to check out our other guides.
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