For rehearsal rooms or small gigs, a PA with a powermixer is ideal. What makes mixers with a built-in power amp special – and what should you look out for? Here’s the short, hands-on overview.
In many situations, a full PA setup with a separate mixer and dedicated power amp is simply too much – for band rehearsals or smaller events, for example. A powermixer is the smart solution: a portable mixer with multiple inputs and a built-in power amp. Just connect suitable passive speakers and you’re ready to go.
Depending on the model, you may also get onboard effects such as EQ for sound shaping, plus reverb, chorus and more – making live operation noticeably easier.
Key features & benefits of powermixers:
Popular brands:
Note: Powermixers are sometimes also called powered mixers or mixer amps – terminology isn’t always used consistently.
Powermixers typically come in two housing styles:
Ideal if you love the classic mixer feel. These units look similar to standard mixers, but are usually a bit taller/heavier because the power amp is built in. Fans are common, as power amps generate heat during operation.
The “box” design offers real practical advantages: stable placement, easy access to front rotary controls, plus a carry handle for fast transport. Thanks to the rectangular shape, it usually fits in the car easily – ideal if you’re often on the road.
A powermixer combines a mixer and a power amp – so it pays to consider both sides of the equation:
Tip: No PA gear yet? Take a look at powermixer bundles – often including passive speakers and sometimes cables/stands. It saves time and budget.
A powermixer combines a mixer and a power amp in one unit. It’s designed for fast setups and typically drives passive PA speakers directly.
Great for rehearsal rooms, small events and compact gig setups – especially if you want to work without a separate power amp.
Powermixers are quick and convenient (fewer parts, less cabling). Separate components are often more flexible for upgrades and system changes.
The built-in amp section is intended for passive speakers. However, you can often feed active speakers via line outputs (e.g. Main/Monitor Out), provided your model offers suitable outputs.
It depends on your venue size, music style and loudspeakers. The key is enough headroom to avoid clipping. A little reserve is usually better than running at the limit.
Powermixers are rated for specific minimum impedances (e.g. 4 Ω per channel). Too low an impedance can overload the amp. Always check the manufacturer specs for safe ohm ratings.
Count all sources (vocals, instruments, playback) and add some headroom. For many bands, 8–12 channels is a solid starting point; for larger setups, consider 12–16+.
If you plan to use condenser microphones, 48 V is important. For dynamic mics only, it’s usually not required.
Yes – onboard effects are very convenient live, e.g. reverb for vocals. Quality and options vary by model, so check the specs if effects are a key requirement.
Some powermixers support USB for playback and/or recording. Check whether USB is stereo-only or supports actual recording – and how many channels it provides.