Adastra A4 Dual Stereo Amplifier 4 x 200W
Product Features
- Good for music in bars, restaurants, gyms and homes using 4 or 8 ohm speakers.
- 800W, 4 or 8 ohm speakers, 8 zones/channels.
- Bluetooth for music from a phone or tablet.
- Size 482 x 260 x 88mm.
- In the box: A4 dual stereo amplifier, IR remote control, IEC power lead.
- Full specification, manual and FAQs below. UK delivery.
Adastra A4 Dual Stereo Amplifier 4 x 200W
The Adastra A4 Dual Stereo Amplifier 4 x 200W is a stereo amplifier from Adastra's commercial audio range, with 800W of output, for 4 or 8 ohm systems, Bluetooth and 8 zones or channels.
Good for: music in bars, restaurants, gyms and homes using 4 or 8 ohm speakers.
Stock code 953.404UK, model A4.
Key features
- Independent stereo playback to 2 separate zones
- Media player with USB/SD playback
- Bluetooth receiver
What you also need
Pairs of 4 or 8 ohm speakers (see loudspeakers), speaker cable and a music source such as a phone or audio player.
Technical specification
| Model | A4 |
|---|---|
| Stock code | 953.404UK |
| Type | Stereo Amplifier |
| Weight | 5.98kg |
| Output power @ 8 ohms | 4 x 100W RMS |
| Output power @ 4 ohms | 4 x 200W RMS |
| Fuse | T5A, 250V |
| Power supply | 230Vac, 50Hz (IEC) |
| Amplifier construction | Class D |
| Frequency response | 20Hz - 20kHz ±0.5dB |
| Input : mic | 2 x 6.3mm jack (mono) |
| Input : line | Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA) |
| Input sensitivity : line | 0.775Vrms |
| Input : aux | 3.5mm stereo jack |
| Input sensitivity : aux | 0.480Vrms |
| Input impedance | 20k Ohms (balanced), 10k Ohms (unbalanced) |
| Audio source | USB/SD mp3 playback, BT receiver |
| Bluetooth version | 2.3 |
| Input controls | Aux, Media, Line1, Line2, Mic1, Mic2, Talkover |
| Line output | 4 x RCA |
| Speaker outputs | 4mm binding posts (4 channels) |
| Antenna connection | F type (FM tuner) |
| Output controls | 2 x source select, 2 xBass, 2 xTreble, Ch1, Ch2, Ch3, Ch4 |
| Dynamic range | 92dB |
| THD +N | <0.1% |
| Protection | Thermal, over-current, over-voltage, short-circuit |
| Dimensions | 482 x 260 x 88mm |
| Version | 2 x 2 x 200W |
| In the box | A4 dual stereo amplifier; IR remote control; IEC power lead |
| Downloads | Instruction manual (PDF) | UK declaration of conformity (PDF) | EU declaration of conformity (PDF) |
Related Adastra products
Adastra A2 Stereo PA Amplifier 2 x 200W, Adastra A6 Tri Stereo Amplifier 6x200W, Adastra A8 Quad Stereo Amplifier 8x200W, Adastra A14 Dual Stereo Amp 1U 4 X160W.
Common questions
What speakers can I use with it?
It drives 4 or 8 ohm speakers. Check the impedance of your speakers matches the outputs listed in the specification.
How do I play music from my phone?
Switch it to Bluetooth mode, search for it on your phone and pair.
Can it go in a rack?
Yes. Check the dimensions below against your rack.
Do you deliver and can I get advice?
Yes. We deliver nationally across the UK, normally in 1 to 2 working days for items in stock. Call 01902 902251 or email sales@zenithsecurityco.co.uk and we will help you choose.
Supplied by Zenith Security Co, Wolverhampton. Website zenithsecurityco.co.uk, call 01902 902251 or email sales@zenithsecurityco.co.uk. We ship nationally: orders placed before 2:30pm are normally dispatched for delivery within 1-2 working days to England, Scotland and Wales when in stock. Delivery is charged at checkout.
Browse the full Adastra range, more amplifiers, or all audio systems.
| Product Code | 953.404UK |
|---|---|
| Brand | adastra |
| Product Type | Stereo Amplifier |
| Power | Over 500W |
| Speaker Type | Low Impedance (4/8 ohm) |
| Zones / Channels | 8 or more |
| Bluetooth | Yes |
| Wall / Ceiling / Mounting | Rack |
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