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QED SS50 5-Way Transmatch Speaker Switching Unit


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When you spend £99 or more

Condition: New

Brand-new, unused, unopened and undamaged item in original retail packaging (where applicable).


Please see QEDs website for further details.

Rated 5/5 based on 2 customer reviews
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Thu 2nd December 2021

Only 2 left in stock.

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Was: £279.95

The Daddy! We always recommend using the QED SS50 if budget allows as its transmatch features mean simple switching with no worrying about impedance and amp loads. In fact we use the very same switch in our demo rooms. Enables connection and switching of up to five pairs of speakers from a stereo amplifier.

The QED SS50 switching unit comes in a tidy two-tone anodised aluminium outer case with on / off switches at the front and silver-plated contacts at the rear. The curved anodised aluminium fascias and precision moulded buttons of QED's updated switching accessories give this new range a very contemporary look with excellent 'shelf' appeal.

The QED SS50 is a popular choice with our home installation customers using in-ceiling and in-wall speakers. Enables connection and switching of five pairs of speakers (in parallel) from a stereo amplifier.

Benefits Of Series vs Parallel
The switches which have more than two sets of speakers use a combination of series and parallel switching to achieve the minimum impedance of 4 ohms no matter what combination of speakers are switched on. For the two way switches there is a choice between exclusively series or parallel versions. If you have 8 ohm speakers (and a 4 ohm min amp) you should always use the parallel switch. If you have 4 ohm speakers and a 4 ohm min amp you should always use the series switch.

How Do These Switches Deal With Powerful Amplifiers?
These accessories use mains switches which are rated at 6A which means the max power they can handle is 288W given an 8 ohm load

QED SS50 Speaker Switching Unit Features

  • Tick Unique impedance matching design.
  • Tick ‘A’ pair switching direct for best sound quality. ‘B1’ to ‘B4’ Transmatch converts a net 2 ohms load back to 8 ohms for safe amplifier operation. Impedance loading with all pairs selected – 4 ohms (using five pairs of 8 ohm speakers.
  • Tick Power rating: 60 Watts RMS. Electronic overload protected.
  • Tick Silver-plated switch contacts.
  • Tick Large Cable Entry Protected Terminals (3.95mm dia)

While we do our best to keep this information up to date, please be aware that all specifications are subject to change by the manufacturer at any time.

Options from £109.00 to £169.00

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All of our reviews are provided by real customers with verified purchases.

Reviews for this product.

29 January 2016

No comment provided by customer.
05 May 2009

- Basingstoke, Hampshire

No comment provided by customer.

Reviews for other available options.

18 March 2009

Confirmed purchaser

No comment provided by customer.
23 September 2009

Peter - Near Alresford, Hampshire

No comment provided by customer.
04 February 2015


No comment provided by customer.
05 May 2015

Brian - Worksop

No comment provided by customer.
07 May 2015

Gee - South London

No comment provided by customer.
10 November 2015

Roy - Cheltenham

No comment provided by customer.
15 March 2013

Confirmed purchaser

No comment provided by customer.
22 April 2015

Confirmed purchaser

No comment provided by customer.
13 May 2015


No comment provided by customer.


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