Small Office Music System with Bluetooth, USB and SD Player

This compact music system is perfect for small offices that are wanting to add some background music. Connect your smartphone or tablet to the amplifier via Bluetooth or an Aux cable and you can stream all your favourite music or radio stations. You can also input a USB or SD card and play downloaded songs on loop. Two microphone inputs are situated on the front of the amp great for hooking up a mic and making announcements.

The Adastra 5.25" Background Wall Speakers deliver crystal-clear sound and offer a stylish look to your enrionment. The high-quality speakers come with their own mounting brackets and are easy to fix to the wall. They have a great frequency response and an rms power of 45W @ 8 ohms.

Also included in this package is 25m of speaker cable.

Key Specifications

QTX KAD-2BT Amplifier Specifications

Power supply: 230Vac, 50Hz (IEC)

Output impedance: 4 - 8 Ohms

Input sensitivity : line 380mV

Input sensitivity : mic (unbalanced) 15mV

Output power : 8 Ohms 2 x 25W rms / 2 x 40W max. (EIAJ Standard @ 1kHz 10% THD)

Output power : 4 Ohms 2 x 35W rms / 2 x 55W max. (EIAJ Standard @ 1kHz 10% THD)

Finish: Black

Dimensions: 200 x 200 x 65mm

Weight: 1.6kg

Adastra 5.25" White Background Wall Speakers 8ohm (100.904)

Colour: White

Woofer: 130mmØ (5.25") 

Tweeter: 25mmØ (1") balanced dome tweeter

Frequency response: 100Hz - 20kHz 

Power rms: 45W

Power max.: 90W

Sensitivity: 88dB

Impedance: 8 ohm

Dimensions (each): 180 x 240 x 180mm 

Weight: 2.0kg 

Weight per set: 4.0kg

Packed: Gift Box

AudioKraft 25m 2x 2.5mm Loud Speaker Cable (AK-CBL-SC06)

Strand/Colour/Length: 2x79 Clear 25m (AK807050)

CSA: 2.5mm²

Strands: 2 x (79 x 0.2mmØ)

Dimensions: 4.0 x 8.0mm

Current: 25A max.

QTX Digital Stereo Amplifier with Bluetooth (103.122)

Power supply: 230Vac, 50Hz (IEC)

Output impedance: 4 - 8 Ohms

Input sensitivity : line 380mV

Input sensitivity : mic (unbalanced) 15mV

Output power : 8 Ohms 2 x 25W rms / 2 x 40W max. (EIAJ Standard @ 1kHz 10% THD)

Output power : 4 Ohms 2 x 35W rms / 2 x 55W max. (EIAJ Standard @ 1kHz 10% THD)

Finish: Black

Dimensions: 200 x 200 x 65mm

Weight: 1.6kg

Adastra 5.25" White Background Wall Speakers 8ohm (100.904)

Colour: White

Woofer: 130mmØ (5.25") 

Tweeter: 25mmØ (1") balanced dome tweeter

Frequency response: 100Hz - 20kHz 

Power rms: 45W

Power max.: 90W

Sensitivity: 88dB

Impedance: 8 ohm

Dimensions (each): 180 x 240 x 180mm 

Weight: 2.0kg 

Weight per set: 4.0kg

Packed: Gift Box

AudioKraft 25m 2x 2.5mm Loud Speaker Cable (AK-CBL-SC06)

Strand/Colour/Length: 2x79 Clear 25m (AK807050)

CSA: 2.5mm²

Strands: 2 x (79 x 0.2mmØ)

Dimensions: 4.0 x 8.0mm

Current: 25A max.

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 cs@inta-audio.com). 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 cs@inta-audio.com.