Description
The Adastra A2 2 x 200W stereo PA amplifier is a compact and versatile Class-D mixer amplifier designed for commercial audio installations, background music systems, and small PA setups. Delivering 2 x 200W at 4Ω, it combines amplification, source playback, and microphone mixing into a single rack-mountable unit, making it an efficient all-in-one solution for hospitality, retail, and public environments.
All-in-One Amplifier with Integrated Media Playback
The A2 features a built-in media player supporting USB and SD card MP3 playback, Bluetooth streaming, and an integrated FM radio tuner, allowing multiple audio sources without additional equipment.
This enables:
- Wireless music streaming via Bluetooth
- Playback from USB or SD storage
- Access to FM radio for continuous audio content
This integrated approach reduces system complexity and simplifies installation.
Powerful Output for Small to Medium Installations
The amplifier delivers:
- 2 x 200W @ 4Ω
- 2 x 100W @ 8Ω
This makes it ideal for:
- Bars, cafés, and restaurants
- Retail stores and boutiques
- Offices and reception areas
- Classrooms and training spaces
Its output is well suited to background music and light foreground audio applications.
Integrated Mixer with Microphone Inputs
The A2 includes a built-in mixer section with:
- 2 microphone inputs (6.3mm jack)
- Multiple stereo line inputs (RCA and jack)
- Front-panel 3.5mm auxiliary input
This allows:
- Live announcements alongside music playback
- Connection of multiple audio sources
- Simple control of system inputs from one unit
A talkover function automatically reduces music levels when a microphone is used, ensuring clear speech for announcements.
Simple Source Selection and Control
A rotary selector enables quick switching between audio sources, including rear inputs, front AUX input, and the internal media player.
Front-panel controls include:
- Individual channel volume
- Bass and treble tone control
- Source selection
This ensures straightforward operation for end users in commercial environments.
Flexible System Expansion
A stereo RCA line output allows the system to be expanded by connecting additional amplifiers or active subwoofers.
This provides:
- Scalability for larger systems
- Integration with subwoofer reinforcement
- Additional zone expansion if required
Reliable Class-D Performance
The A2 utilises Class-D amplification, delivering efficient performance with reduced heat generation and power consumption.
Built-in protection circuitry includes:
- Thermal protection
- Over-current protection
- Short-circuit protection
This ensures dependable operation in continuous-use environments.
Installation-Friendly Rack Design
Housed in a standard 19-inch rack-mount chassis, the A2 is designed for easy integration into AV racks and equipment cabinets.
Rear-panel speaker outputs use binding posts, supporting connection of multiple speakers per channel for flexible system layouts.
Ideal Applications
The Adastra A2 is widely used across commercial audio environments:
- Hospitality venues and cafés
- Retail and background music systems
- Offices and reception areas
- Education and training spaces
- Small PA and announcement systems
Its all-in-one design makes it particularly suited to straightforward installations requiring minimal additional equipment.