Founded in 1949, Adastra has earned a reputation for delivering high quality public address systems. Adastra strives to provide complete and versatile solutions for commercial installations, with specialist products provided for zoning, noise pollution control, portable public address and induction loop systems. A comprehensive range of associated products are also available, including speaker brackets, rack cabinets and microphones. These products have been created with the user in mind, offering a flexible and modular approach to installation sound systems.For over 60 years it has serviced the needs of the public address sector as a fully established brand name, celebrated for quality and excellence, and will continue to develop and diversify its range in order to remain at the forefront of the industry.

Adastra manufacture a huge range of commercial amplifiers. Small compact half rack mount models to full width 19" mounting. With a range of power outputs to suit all venues. 30 watt mixer amplifiers to 480 watt slave versions. Most of these amplifiers are suitable for either 100 Volt line operation or low impedance applications. Some models can be battery powered, have fire alarm contacts, VOX activation and have phantom power for condenser microphones.

Adastra produce several rack mounted audio mixers, suitable for line level signals and microphone signals. Adastra understands that different audio set-ups require flexible connectivity options. That's why their rack mounted mixers are equipped with multiple XLR, RCA and 6.35mm inputs, making them compatible with a wide range of audio sources, including microphones, instruments and external audio players. Furthermore some models feature bluetooth connectivity and USB playback, allowing users to integrate wireless and digital audio sources effortlessly.

When it comes to high quality audio solutions, Adastra speakers stand out as an excellent choice for both commercial and residential applications. Known for their durability, sleek design and impressive sound performance their speakers offer a seamless blend of aesthetics and functionality. Whether you are setting up a sound system for home theatre, retail store, office or a public venue. Adastra speakers deliver exceptional audio clarity and reliability.

Adastra microphones are incredibly versatile, making them suitable for a wide range of applications. Ideal for conferences, lectures and speeches these microphones will ensure clear voice projection. Adastra microphones are suitable for podcasts, interviews and professional recordings. From weddings to corporate events Adastra have a  good range of dynamic. condenser and boundary microphones.

Adastra 19" cabinets for rack-mount equipment, removable side panels and lockable front door. They are constructed from cold-rolled steel with folded edges for strength and stability. Front and rear rack strip is supplied and mounted to rails inside the cabinet, enabling the mounting depth to be adjusted to accommodate equipment with overhanging fittings or to support the rear of heavy units. The top panels are vented for cooling and has a cut-out for mounting a cooling fan if required. The front doors are removable and have a pane of 5mm tempered glass which can be mounted to open to either the left or right. The rear panel of the cabinets has fixing apertures for wall mounting or alternatively, the cabinet can be free-standing. Superbly designed, secure containment for professional rack installations.

Adastra A2 Amplifier

Stereo 200 Watt Mixer Amplifier with Built-in USB audio player, FM tuner and Bluetooth connectivity.

8 Ohms operation.

2 x Dedicated Microphone Channels.

1 x Line Level with 4-Way Selector

3.5mm Socket Aux Input.

Overall Bass and Treble Controls.

RCA Slave Output.

Adastra A22 Stereo Amplifier

Compact digital stereo PA amplifier with integral media player, FM tuner and microphone input.

Built-in USB media player, FM tuner and Bluetooth.
1 x Microphone Channel.
3 x Music Channels (Line Level).
3.5mm Socket Aux Input.
Overall Bass and Treble Controls.
Supplied with IR Remote Control.

Adastra A4 Amplifier

4 x 200 Watt Stereo Mixer Amplifier with Built-in USB audio player, FM tuner and Bluetooth connectivity.

8 Ohms operation.
2 x Dedicated Microphone Channels.
1 x Line Level with 4-Way Selector
3.5mm Socket Aux Input.
Overall Bass and Treble Controls.
RCA Slave Output.

Adastra A6 Amplifier

Triple Stereo Mixer Amplifier 2 x 200 Watt Mixer Amplifier with a Built-n audio media player, FM tuner and Bluetooth connectivity.

8 Ohms operation.
2 x Dedicated Microphone Channels.
1 x Line Level with 4-Way Selector
3.5mm Socket Aux Input.
Overall Bass and Treble Controls.
RCA Slave Output.

Adastra A8 Amplifier

Quad Stereo Mixer Amplifier 2 x 200 Watt Mixer Amplifier with a Built-n audio media player, FM tuner and Bluetooth connectivity.

8 Ohms operation.
Built-in USB audio player, FM tuner and Bluetooth.
2 x Dedicated Microphone Channels.
1 x Line Level with 4-Way Selector
3.5mm Socket Aux Input.
Overall Bass and Treble Controls.
RCA Slave Output.

Adastra AT6 Volume Control

AT6 Volume Controls and Source Selector Switch.

Six independent 30 Watt volume controls each with A/B source selector switch.

For use with 100 volt line speakers.

Adastra B30V Background Speakers

A pair of B30V 30 Watt 4" Background Speakers.

Suitable for both 8 Ohm and 100 volt line applications.
Transformer tapped @ 30W, 20W, 10W, 5W
Available in Black or White.
Ideal for use as a high power background music speaker.

Adastra BC3 Background Speakers

A pair of BC3 30 Watt 3" Background Speakers.

Only suitable for 8 Ohm applications.
Available in Black or White
Work well with Stereo amplifiers.
Ideal for use as a background music speaker.

Adastra BC3V Background Speakers

BC3V 30 Watt 3" Background Speakers.

Suitable for both 8 Ohm and 100 volt line applications.
Transformer tapped @ 6W, 3W, 1.5W
Available in Black or White.
Ideal for use as low power background speaker.

Adastra BC4 Background Speakers

A pair of BC4 35 Watt 4" Background Speakers.

Only suitable for 8 Ohm applications.
Available in Black or White
Work well with Stereo amplifiers.

Adastra BC4V Background Speakers

BC4V 35 Watt 4" Background Speakers.

Suitable for both 8 Ohm and 100 volt line applications.
Transformer tapped @ 20W, 10W, 5W, 2.5W
Available in Black or White.
Ideal for use as background speaker.

Adastra BC5 Background Speakers

A pair of BC5 45 Watt 5.25" Background Speakers.

Only suitable for 8 Ohm applications.
Available in Black or White
Work well with Stereo amplifiers.
Ideal for use as a background music speaker.

Adastra BC5A Powered Monitors

A pair of BC5A Powered Monitor Speakers.

Built-in Amplifier 2 x 30 Watts.
Input via L+R RCA and 3.5mm sockets.
Available in Black or White.
Suitable for Smart boards and Interactive screens.

Adastra BC5V Background Speakers

30 Watt 5.25" Background Speakers with adjustable mounting brackets.

Suitable for both 8 Ohm and 100 volt line applications.
Transformer tapped @ 30W, 20W, 10W, 5W
Available in Black or White.
Ideal for use as a background music speaker.

Adastra BC6 Background Speakers

A pair of BC6 60 Watt 6.5"Background Speakers.

Only suitable for 8 Ohm applications.
Available in Black or White
Work well with Stereo amplifiers.
Ideal for use as a background music speaker.

Adastra BC6V Background Speakers

BC6V 40 Watt 6.5" Speakers.

Suitable for both 8 Ohm and 100 volt line applications.
Transformer tapped @
Available in Black or White.
Ideal for use in situations with a high ambient noise.

Adastra BC8-B Background Speakers

A pair of BC8-B 90 Watt 8" Background Speakers.

Only suitable for 8 Ohm applications.
Available in Black or White
Work well with Stereo amplifiers.
Ideal for use in situations with a high ambient noise.

Adastra BCS52S Ceiling Speaker

Two Ceiling Speakers with built-in Stereo Amplifier with Bluetooth connectivity, offering unrivalled simplicity in terms of pairing with and playback from compatible devices.

Adastra BCS65S Ceiling Speaker

Ceiling Speakers kit, supplied with 20 Watt Stereo Amplifier and built-in  Bluetooth receiver.

Adastra BH3V Background Speakers

BH3V 30 Watt 3" Background Speakers.

Suitable for both 16 Ohm and 100 volt line applications.
Transformer tapped @ 8W, 6W, 4W, 2W
Available in Black or White.
IP44 Rating

Adastra BH4 Background Speakers

A pair of BH4 30 Watt 4" Background Speakers.

Only suitable for 8 Ohm applications.
Available in Black or White
Ideal for use as a background music speaker.
IP44 Rating

Adastra BH4V Background Speakers

BH4V 20 Watt 4" Background Speakers.

Suitable for both 16 Ohm and 100 volt line applications.
Transformer tapped @ 20W, 10W, 5W, 2.5W
Available in Black or White.
IP44 Rating

Adastra BH5 Background Speakers

A pair of BH5 50 Watt 5.25" Background Speakers.

Only suitable for 8 Ohm applications.
Available in Black or White
Ideal for use as a background music speaker.
IP44 Rating

Adastra BH5V Background Speakers

BH5V 40 Watt 5" Background Speakers.

Suitable for both 16 Ohm and 100 volt line applications.
Transformer tapped @ 30W, 20W, 10W, 5W
Available in Black or White.
IP44 Rating

Adastra BH6 Background Speakers

A pair of 70 Watt 6.5" Background Music Speakers.

Only suitable for 8 Ohm applications.
Available in Black or White
Ideal for use in situations with a high ambient noise.
IP44 Rating