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4-Zone Background Music System with 8 Suspended Pendant Speakers (Black)
  • 4-Zone Background Music System with 8 Suspended Pendant Speakers (Black)
  • 4-Zone Background Music System with 8 Suspended Pendant Speakers (Black)
  • 4-Zone Background Music System with 8 Suspended Pendant Speakers (Black)

4-Zone Background Music System with 8 Suspended Pendant Speakers (Black)

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  • Perfect for warehouse, factories, DIY Stores etc. 
  • Supplied with 8x Black Pendant speakers
  • 240W 4-Zone Mixer amplifier
  • Bluetooth, FM Tuner & MP3 player
  • Fire alarm mute
  • Microphone inputs
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RRP: £599.00 (inc. VAT)
Save: 8%
Your Price: £549.00 (inc. VAT)
Item out of Stock  |  Usually dispatched within 24 hours
  • Delivery Information
  • Standard Delivery - (FREE UK Delivery)
  • Express Delivery Available
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This Adastra background music system is perfect for installing into the majority of commercial environments such as those with raised/suspended ceilings like warehouses, supermarkets/shops and DIY Stores etc. The included Pendant Ball Speakers have a 140° downwards dispersion angle to ensure they cover a large area and come with a 4m hard-wired cut of cable and safety chain for hanging from the ceiling.  

The Adastra RM240S amplifier features Bluetooth, FM tuner and an MP3 Player with a USB input as well as 2 x RCA inputs for connecting external devices. The RM240S is split into 4 zones meaning you can section some of the speakers. From the amplifier, you can switch a zone on/off great for when a certain area is not in use or needs the music cutting. 

The Adastra RM240S can be rack mounted into a 19" rack cabinet or case and takes up 2U rack space (rack ears supplied).

The kit consists of:

  • 1 x RM240S 240W Mixer Amplifier (953.215) 
  • 8 x 20W Adastra Pendant Speaker - Black 12.5cm (952.427)
  • 1 x 100m Double Insulated 100V Line White Speaker Cable (807.090)


Detailed Overview

Adastra RM240S 240W 4-Zone Mixer Amplifier 

The new updated RM240S amplifier by Adastra is a 5 channel / 4 Zone mixer amp designed for commercial installations where reliability is needed. boasting a range of new features the RM240S is capable of running via 100v line or low impedance (4-16 Ohms) giving the installer lots of options in terms of speaker choices.

Unlike most commercial amplifiers the RM240S has the ability to run 240 volts (mains plugged in) or 24 Volts which is especially useful for outdoor events where no power is available.

At just 2U high the RM240S can be sat on a shelf or fixed into a rack-mount cabinet for fast installation and when it comes to connectivity you will find multiple line level inputs for connecting a wide range of devices such as iPods, media players or even audio from a sky box. 

At the front of the unit you will find Bluetooth connectivity, USB/SD audio player and an FM tuner.

Moving to the rear of the amp the Inputs include a balanced XLR for a microphone with switchable phantom power and Vox override, 2 mic/line jack inputs and 2 RCA line inputs, one of which can be fed from the internal USB/SD player with built-in FM tuner and Bluetooth receiver.

The RM240S has 4 Zones which are switchable (on/off) this is useful if you want to turn off a certain zone without the rest of the system going off. Its important to know the four zones are controlled via the main single master volume and via one music source only. If you require individual volume control or playback of different sources in each zone then please call us so we can discuss your options. 

Key Features

  • 5 Channel / 4 Zone Mixer Amp with Bluetooth
  • Integral USB/ SD audio player plus FM tuner
  • Editable Bluetooth connectivity
  • 24 Volt External DC power option + Fire Alarm Mute
  • Ideal for commercial sound installations
  • 2U 19" rack mountable [rack ears supplied]


20W Adastra Pendant Speaker - Black 12.5cm

The Adastra 5" Pendant Speakers are perfect for adding background audio to any environment such as pubs/restaurants, shops and places of worship. Each speaker features a cable hook so you can hang them from a ceiling, ideal for areas with high roofs where regular ceiling speakers would not be effective.

Strategic Positioning

With a 140° dispersion angle the pendant speakers can be strategically positioned to create a balanced level of sound throughout the chosen environment. A rotary switch on each speaker enables you to manually select the the tappings from 2.5/5/10/20W or 8 Ohms, which is ideal when you need one area to be louder than another. 


Premium Double Insulated 100V Line Speaker Cable - 100m

Our 100v line cable by Adastra is a highly flexible speaker cable designed to be used with our 100v line amplifiers to connect up to 12 ceiling of wall mounted speakers.

Ideal for small to medium installations where speakers are rated between 0-30w

For internal use only

See specifications tab for technical specs


Mains power: 110/240Vac, 50/60Hz (IEC)

DC power: 24Vdc (screw terminals)

Inputs: Mic XLR, 2 x mic/line jack, 2 x RCA line

Input sensitivity : mic 1 (balanced): -53dBV

Input impedance : mic: 1 5k Ohms

Input sensitivity : line (unbalanced): -15dBV (-18.5dBV line 5)

Input impedance : inputs: 2-5 1k Ohms

Line output: RCA

Controls: Mic1, mic/line2+3, line4+5, bass, treble, master volume

Equalizer : bass: 100Hz ±10dB

Equalizer : treble: 10kHz ±10dB

Rear panel switches: Phantom, Vox, Mic/Line (2 + 3)

Phantom power: +20V (mic 1 input)

Audio source: USB/SD player, FM tuner and Bluetooth receiver

Emergency control: 24V contacts - mute all except Mic.1 when triggered

Bluetooth version: 2.0

THD: <1.0%

Power : output: 240Wrms

Speaker : outputs: 4 x 100V zone / 8 Ohms / COM terminals 

Weight: 9.62kg 

Dimensions: 433 x 320 x 89mm 

20W Adastra Pendant Speaker - White 12.5cm (952.427)

Version: PS50-B

Colour: Black

Speaker size: 125mm (5")

Dispersion angle: 140°

Rated power at 8 Ohms: 20W

Frequency response: 50Hz - 20kHz

Impedance: 100V500, 1k, 2k, 4k Ohms

Tappings: 20W, 10W, 5W,2.5W + 8 Ohms

Sensitivity: 89dB

Dimensions: 180 x 245mmØ

Weight: 2.366kg

CSA: 2 x 0.75mm²

Strands: 2 x (12 x 0.2mmØ Cu + 12 x 0.2mmØ CCA)

Dimensions: 7mmØ

Current: 6A max.

Sheath: Black PVC

Length: 100m

4-Zone Background Music System with 8 Suspended Pendant Speakers (Black)

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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)

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