Choosing the right PA speaker system can feel overwhelming — there are dozens of options across a wide range of budgets, power ratings, and configurations. Whether you're setting up sound for a small café, a corporate event, or a large outdoor festival, this guide will walk you through everything you need to know to make the right call.
A PA (Public Address) system is a combination of audio equipment used to amplify sound for an audience. A typical PA system includes a mixer, amplifier, and speakers — though many modern powered (active) speakers combine the amplifier and speaker into one unit, simplifying setup considerably.
The size of your venue is the single biggest factor in choosing a PA system. A small indoor room of 50–100 people requires far less power than an outdoor festival stage. As a general rule:
Powered speakers have a built-in amplifier, making them easier to set up and transport. They're ideal for most gigging musicians, DJs, and event hire companies. Passive speakers require a separate power amplifier and are more common in permanent installations where the amp can be rack-mounted out of sight.
For most portable applications, we recommend powered speakers for their convenience and reliability.
Speaker size (measured in inches) and power output (measured in watts) both affect how loud and clear your system will be. Bigger isn't always better — a well-designed 12" speaker can outperform a poorly designed 15" in many situations. Focus on the speaker's SPL (Sound Pressure Level) rating in dB, which gives a more accurate picture of real-world loudness.
If you're running music with significant bass content — DJ sets, live bands, or club-style events — you'll want to add a subwoofer to your system. Subwoofers handle the low frequencies (typically below 100Hz) that full-range speakers can't reproduce at high volumes without distortion.
If you're transporting your system regularly, weight and form factor matter. Many modern powered speakers use Class D amplifiers and lightweight neodymium drivers, making them significantly lighter than older designs without sacrificing performance.
Your PA system is only as good as the cables connecting it. For speaker connections, you'll typically use either XLR cables (for signal from mixer to powered speaker) or Speakon cables (for passive speaker connections from an amplifier). Make sure you have the right cables in the right lengths before your event.
Browse our full range of PA speakers and live sound equipment to find the right system for your needs. Not sure where to start? Our team is happy to help — contact us for personalised advice.
