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Adastra A6 6-Channel / 3-Zone Stereo Mixing Amplifier-B Stock
  • Adastra A6 6-Channel / 3-Zone Stereo Mixing Amplifier-B Stock
  • Adastra A6 6-Channel / 3-Zone Stereo Mixing Amplifier-B Stock
  • Adastra A6 6-Channel / 3-Zone Stereo Mixing Amplifier-B Stock

Adastra A6 6-Channel / 3-Zone Stereo Mixing Amplifier-B Stock

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  • Multi-zone stereo amplifier with Bluetooth receiver
  • 6 x 200W output ideal for medium-large installs
  • Built-in media player with USB/SD playback
  • Integrated FM radio tuner (aerial not supplied)
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RRP: £299.00 (inc. VAT)
Save: 33%
Your Price: From £199.99 (inc. VAT) (FREE UK Delivery)
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Returned as unwanted by the previous custumer in good working condition.


The NEW Adastra A6 6-Channel Stereo Amplifier is a great choice for restaurants, bars & commercial environments wanting a high-quality multi-zone music system. The amplifier offers 3 zones shared across 6 channels (3 x 2 x 200W) each with independent volume adjustment, allowing for complete control across the whole system.

An inbuilt Bluetooth receiver enables pairing of a smartphone or tablet for wireless audio streaming, as well as an integrated MP3 player with a USB and SD card reader. The Adastra A6 also has an FM radio tuner.

Multi-Zone Control

Where the Adastra A6 shines is its zonal capabilities. Channel 1/2, 3/4 & 5/6 are split into groups with further control. Each pair of channels has EQ control (bass & treble), and source selection meaning a different source of music can be played in each zone. For example, you can have the football playing from the connected Sky Box in the main bar area, and then a Spotify playlist playing from a phone in the restaurant area and toilets. 

Each of the 6 channels are rated at a minimum of 4 Ohms which allows for a large variety of loudspeakers to be connected.

Speaker Configuration Examples:

  • 4 x 16 Ohm Loudspeakers per channel = 4 Ohms
  • 2 x 8 Ohm Loudspeakers per channel = 4 Ohms
  • 2 x 16 Ohm Loudspeakers per channel = 8 Ohms


A Variety of Inputs

The Adastra A6 Stereo Amplifier features a range of line-level inputs (RCA and 6.35mm Jack) for directly connecting external media devices such as a Sky Box, CD player, Karaoke player, etc. In addition to this, the A6 also features 2 x front-facing microphone inputs with 6.35mm Jack connection. This is ideal for pub quizzes, karaoke, and general announcements. Gain control and 'Talk Over' are also present for each of the microphone inputs. 

There are also 6 x RCA line outs, which can be used to expand the system as this will allow you to send the input source to another amplifier, or compatible active sub.


Power supply: 230Vac, 50Hz (IEC)

Fuse: F5A, 250V

Amplifier : construction: Class D

Microphone inputs: 2 x 6.3mm jack (mono)

Line inputs: Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA)

Input sensitivity : line: 0.775Vrms

Auxiliary input: 3.5mm stereo jack

Input sensitivity : aux: 0.480Vrms

Input impedance: 20k Ohms (balanced), 10k Ohms (unbalanced)

Audio source: USB/SD mp3 playback, FM tuner, B/T receiver

B/T wireless version: 2.3

Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover

Antenna connection: F type (FM tuner)

Protection: Thermal, over-current, over-voltage, short-circuit

Dimensions: 482 x 300 x 88mm

Line output: 6 x RCA

Output power rms @ 4 Ohms: 6 x 200W 

Output power rms @ 8 Ohms: 6 x 100W

Speaker outputs: 3 x 4-terminal Euroblock 

Output controls: 3 x source select, Ch1 - Ch6 level

Weight: 8.26kg

Adastra A6 6-Channel / 3-Zone Stereo Mixing Amplifier-B Stock

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Digital Downloads (buying software)

All software marked as "serial download" or "digital download" will be delivered via email within normal office hours.

Simply add the software to the basket and at the delivery stage in the checkout please select "Digital Download - Software by email" as your delivery method

Delivery Charges (Main Products)

The cutoff for same-day dispatch is 3:30pm but can vary at busier times such as Christmas.

All orders over £39.00 will be delivered free via our standard delivery 2-3 days (UK Mainland)

If you need your item faster we also offer a Priority Tracked service at £3.99 (1-2 days) or Next Day Tracked £6.99

(please ensure you add a mobile number to your order for tracking)

Saturday delivery is available when ordered before 2pm (Mon-Fri)

All orders below £39.00 will start as low as £2.99 depending upon weight and qty(s) (UK Mainland) 

All Delivery options will be available at the delivery stage in the checkout

EU Delivery Times

Non UK Mainland Addresses please allow 1-3 Days
Delivery To Belgium / France / Germany please allow 3-4 Days
Music PC Systems - Please allow 5-7 Working Days build time (UK) 7-14 (Rest of the World)

French - Pour la Livraison s'il vous plaît permet en France 2-4 Jours
German - Für Lieferung Nach Deutschland erlaubt bitte 2-4 Tage

Delivery Notes
On delivery you must inspect the goods carefully for damage as Inta Audio is unable to accept responsibility for damage in transit, shortage of delivery or loss of products unless the customer advises Inta Audio of such within three working days from the date of delivery.


Returns Policy

We ask that you follow these guidelines to help us process your return as quickly and efficiently as possible:

1. Please keep your order reference to hand. This confirms your original order and gives us the necessary details to authorise the product’s return.

2. Contact our Customer Services Team on 02476 369898 (or e-mail We will then send you an RMA number and returns form which needs to be completed and sent back with the returned item(s).

3. (If the order has been unpacked) re-package it to ensure that it is being returned in its original condition. Please make sure all items relating to the product are returned, including manuals and cables.

4. When returning an item please obtain a ‘proof of postage’ receipt from the Courier.

Returned items must be mailed within 10 days of when the RMA Number has been issued. Items received with a post date 30 days after your requested return will NOT be eligible for refund.

Please note: Our returns policy is quite straightforward but there are a number of conditions that we ask our customers to comply with before applying:

1. It is your responsibility to request a return. If you don’t tell us you want to make a return, we don’t know. Once you do tell us, we will do everything we can to action it.

2. If you have not requested a return within 28 days of receiving an order, we will have assumed that you are intending to keep it and we will not authorise a return.

3. We always refund the payment according to how the original purchase was made and aim to do so within 72hrs of the return being received by us.

4. Returned goods are liable for a restocking fee of 15% towards handling and repackaging if the order is not returned in its original, unopened packaging. This charge will be subject to our inspection of the returned goods.

5. Delivery charges will not be refunded unless the delivered goods are faulty.

6. Replacement products are dispatched immediately after the returned goods have been received and accepted by Inta Audio.

7. Items that develop a fault within 30 days of delivery are eligible for a replacement or a refund. Delivery costs are also reimbursed for faulty items. Please contact our Customer Services Team on 02476 369898 if you believe your item has developed a fault.

Finally, please remember that notifying us of your intention to apply for a return, saving the delivery paperwork and keeping the order in its original packaging will help both you and Inta Audio to process the return quickly.

If you have any questions about our Returns policy please telephone us on 02476 369898 or email us at