Quick answer
Fixed PA systems are either analogue 100V line, where one amplifier drives many speakers over speaker cable, or IP/SIP, where each speaker connects to the network. Portable PA systems suit events, and voice evacuation (EN54) systems link to the fire alarm for emergency messages.
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Shop all speaker products →Key takeaways
- 100V line: simple, cost-effective for one building.
- IP/SIP: network speakers, zones anywhere, phones can page.
- Portable PA: events and outdoor meetings.
- Voice evacuation: certified for fire alarm messages.
- Zones let you page one area at a time.
01Compared
| Type | How it works | Best for |
|---|---|---|
| 100V line PA | Amplifier to many speakers over speaker cable | Schools, churches, factories, shops |
| IP / SIP PA | Network speakers and paging gateways | Campuses, offices, multi-building sites |
| Portable PA | Self-powered speakers and mixer | Events, outdoor meetings |
| Voice evacuation | EN54 equipment linked to fire alarm | Hotels, malls, high-occupancy buildings |
02Next steps
Prices: PA system prices and ceiling speakers. Installation: PA installation.
03Frequently asked questions
What is a 100V line PA system?
A system where one amplifier drives many speakers over long cable runs using transformers in each speaker.
Is IP PA better?
IP PA is more flexible for large or multi-building sites; 100V line is simpler and cheaper for a single building.
