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IMG Stageline TXS-646/38 4-Channel UHF Wireless Mic Receiver
IMG Stageline

IMG Stageline TXS-646/38 4-Channel UHF Wireless Mic Receiver

Code: TXS-646
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  • Perfect for schools, theatres and conferences etc. 
  • 32 selectable UHF frequencies
  • 19" Rack-mountable
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RRP: £299.99 (inc. VAT)
Save: 21%
Your Price: £238.00 (inc. VAT)
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  • Standard Delivery - (FREE UK Delivery)
  • Express Delivery Available
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IMG Stageline TXS-646/38 Single Channel UHF Receiver

The TXS-646/38 is perfect for presentations or conferences which require the use of multiple simultaneous microphones.

The high quality build will provide not only rugged protection against knocks and bumps, but will also offer a reliable connection and crystal-clear sound.

On the unit, you will find 32 selectable UHF frequencies on Channel 38 (606.500-613.500 MHz), so if there are other wireless units present, you will have plenty of room to avoid conflicts.

The unit also offers an XLR and 1/4" jack output for connecting to external speakers.


Key Features

  • 32 selectable UHF frequencies on Channel 38 (606.500-613.500 MHz)
  • ACT function for transmitting selected frequency to pocket transmitter TXS-606LT, TXS-606HSE or hand-held microphone TXS-606HT via infrared signal
  • Auto-scan
  • True diversity system with removable antennas (BNC connection)
  • Volume and squelch controls for each channel
  • Each channel with LCD for indicating group/channel, antenna A/B, RF receiving level, AF audio level and additional LED display for indicating audio signal
  • XLR output for each channel, bal.
  • 6.3 mm output for mixed signal
  • Robust metal housing
  • Supplied with power supply
  • 482 mm (19?) rack installation, 1 RS


What is a UK Wireless Microphone Licence?

There are two types of UK Wireless Microphone Licence UHF and VHF.

  • UHF – UK wide shared access to Channel 38 (606.500-613.500 MHz) internally or externally and licensed on a non-protected basis for either one or two years.
  • VHF – UK wide shared access to 15 spot frequencies in the range 175.250 to 209.800 MHz internally or externally and licensed on a non-protected basis for one year only.

With the TXS-6/38 UHF range users can typically achieve 12 radio microphones in this range operating in the same place at the same time. However this can differ case by case. Access is not restricted to specific frequencies and users can re tune within the stated range to any usable frequency.

These licences are popular due to the one off purchase with no requirement to notify the seller of where or when these channels are being used. However as the channels are shared users must be prepared to retune to alternative frequencies if interference from other local users is experienced.


What are the costs of the UK Wireless Microphone Licence?

  • UHF (Channel 38)
  • £85.00 for one year and £155.00 for two years.


Who should hold the licence?

  • Usually it is the user of the equipment who must hold the licence. There are only two exceptions.


Licence exempt equipment

  • Licence exempt equipment includes some wireless microphones and some video equipment. Details can be found in the Equipment section of our website, and full details of all licence exempt equipment is available from Ofcom.


UK Wireless Microphone Licence

Any licensee that holds a UK Wireless Microphone Licence may hire or loan equipment to their customers. Providing the licensee supplies their customer with a written permit, the customer may use the equipment under the licence issued to the hirer. We provide a model form of permit to all licensees.

Type: receiver unit

Carrier frequency range: 672.000-696.975 MHz

Audio frequency range: 30-18,000 Hz

Channels: 4

THD: < 0.5%

Dynamic range: 100 dB

RF S/N ratio: 105 dB

Admiss. ambient temp.: 0-40 °C

Audio signal receiver: 350 mV/600 ? (jack), 25 mV/600 ? (XLR, bal.)

Power supply receiver: via encl. plug-in power supply

Width receiver: 482 mm

Height receiver: 45 mm

Depth receiver: 310 mm

Weight receiver: 2.9 kg

Connections receiver: 4 x XLR, bal., 1 x 6.3 mm jack, unbal.

IMG Stageline TXS-646/38 4-Channel UHF Wireless Mic Receiver

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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