Adastra A2: 2×200 W Stereo PA Amplifier w/ FM, Bluetooth & USB/SD
High-power Adastra A2 stereo PA amplifier with multiple input sources and Bluetooth connectivity, 953.402UK by Adastra
Versatile 2×200 W Class D stereo PA amplifier with built-in media player (USB/SD), FM radio, Bluetooth, dual mic/line mixer and tone controls.

Product Description
Adastra A2 - A2 Stereo PA Amplifier 2 X 200w. 953.402UK
The Adastra A2 is a powerful 2×200 W RMS stereo PA amplifier that combines mixer, media player, radio, and Bluetooth in a single 2U rackmount design. Its rugged case features front‑panel controls for two mic inputs, two stereo line sources, and a multitasking media section supporting USB, SD, FM, and Bluetooth. Ideal for bars, schools, small venues, and conference rooms, the A2 delivers flexibility with outputs via binding posts and RCA, plus tone controls (bass & treble) for tailored audio tuning.
Built around an efficient Class D amplifier, it pumps 200 W per channel into 4 Ω and 100 W per channel into 8 Ω. Protection features guard against overheating, short circuits, and overshoots. Measuring 482×240×88 mm and weighing 5.2 kg, it’s easy to mount in standard 19‑inch racks. Whether you need smooth audio announcements, music playback, or mixer-ready inputs, the Adastra A2 offers a compact and feature-rich solution. Rack accessories and speaker cables sold separately.
Fully featured stereo amplifier with mixer section for 2 microphones and a stereo audio source. An inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card and also has a Bluetooth receiver and FM radio tuner. A rotary switch selects between 2 rear stereo inputs, a front 3.5mm stereo input or the built-in media player. Speaker connections on the rear panel are via 4mm binding posts, which can drive up to 2 x 8 Ohm speakers per channel to deliver 2 x 200W. Designed to offer installers a flexible solution for P.A. and music playback in bars, restaurants and function rooms.
The Adastra A2 Stereo PA Amplifier has 200W of PA power and is a fully featured stereo amplifier with mixer section for 2 microphones and a stereo audio source. An inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card and also has a Bluetooth receiver and FM radio tuner. A rotary switch selects between 2 rear stereo inputs, a front 3.5mm stereo input or the built-in media player. Speaker connections on the rear panel are via 4mm binding posts, which can drive up to 2 x 8 Ohm speakers per channel to deliver 2 x 200W. Designed to offer installers a flexible solution for P.A. and music playback in bars, restaurants and function rooms.
- Media player with USB/SD playback
- FM radio tuner with external aerial connection
- Bluetooth receiver
Features
- Media player with USB/SD playback
- FM radio tuner with external aerial connection
- Bluetooth receiver
Technical Specifications
- Power supply : 230Vac, 50Hz (IEC)
- Output power rms @ 8 Ohms : 2 x 100W
- Output power rms @ 4 Ohms : 2 x 200W
- Amplifier : construction : Class D
- Microphone inputs : 2 x 6.3mm jack (mono)
- Auxiliary input : 3.5mm stereo jack
- Line inputs : Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA)
- Audio source : USB/SD mp3 playback, FM tuner, BT receiver
- Protection : Thermal, over-current, over-voltage, short-circuit
- Output controls : Source select, Bass, Treble, Ch1, Ch2
- Input controls : Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
- Fuse : F5A, 250V
- Speaker outputs : 4mm binding posts (2 channels)
- Line output : 2 x RCA
- Dimensions : 482 x 260 x 88mm
- Weight : 5.21kg
- Antenna connection : F type (FM tuner)
- Frequency response : 20Hz - 20kHz +/-0.5dB
- Input sensitivity : aux : 0.480Vrms
- Input sensitivity : line : 0.775Vrms
- THD +N :
Additional Information
- SKU
- 953.402UK-1
- Brand
- Adastra
- Barcode
- 5015972203149
- Manufacturer Code
- A2
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