Upgrade your classroom audio experience with a reliable and high-quality sound system

The Adastra A22 amplifier and B30V-B speakers. Designed for small classrooms in schools and colleges, this set-up ensures clear voice projection and balanced sound, perfect for lectures, presentations, and announcements. Our expert installation advice guarantees optimal speaker placement and system configuration to deliver consistent audio performance across the room. Whether you’re improving an existing set-up or installing from scratch, our solution offers durability, simplicity, and professional-grade results.

Adastra A2 Stereo PA 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 B30V Background Speakers

A pair of 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.
Mounting Options: Horizontal or vertical with included brackets

Citronic RU105-N Beltpack Wireless Microphone System – Professional UHF Audio Solution

Beltpack Wireless Microphone System.

Single channel system with removable antennas (BNC connection).

1 x Output balanced XLR or 6.35mm Jack Socket.

LCD for indicating RF and AF signal level and frequency.

81 selectable UHF frequencies (863-865 MHz).

Pilot tone squelch, noise mute.

Operating Range 25 - 30m (Line of Sight)