Adastra is a UK commercial audio brand, distributed by AVSL in Manchester. The range covers everything a shop, pub, office, school, gym or place of worship needs for background music and announcements: 100V line mixer-amplifiers, ceiling, wall and outdoor speakers, paging microphones, hearing loop systems, rack cabinets and ready-made packages.

Shop Adastra by type

• Amplifiers: 100V line mixer-amps with Bluetooth, USB and DAB+, slave amps, stereo, in-wall and WiFi streaming amplifiers.
• Loudspeakers: ceiling, wall, pendant, column, horn and EN54-24 fire-rated speakers.
• Microphones: paging mics with chime, call stations, conference and wireless mics.
• Mixers and audio sources: rack mixers, zone mixers, audio matrices and music players.
• Hearing loop systems for receptions, counters and halls.
• Racks and accessories, megaphones and portable PA, volume controls and complete packages.

Common questions

What is a 100V line system?

It lets one amplifier run many speakers over long cable runs. Each speaker has a power setting (tapping); add them up and choose an amplifier with about 20% spare. It is the standard for shops, offices, schools and warehouses.

Is there an easy way to buy a complete system?

Yes. Our Adastra packages pair an amplifier with matched speakers, chosen by room size.

Do you deliver?

Yes. We ship nationally across the UK, normally in 1 to 2 working days for items in stock. Call 01902 902251 or email sales@zenithsecurityco.co.uk for help choosing.

Not sure what you need? Read our Audio Systems guide or call 01902 902251.