QED Performance Subwoofer Cable
Usage Guide
Amplifier
Subwoofer
Connection Guide
RCA Single
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Item code: QED Performance Subwoofer Cable
Inc. VAT (20%) · Ex. VAT: £49.17 Ex. VAT · Inc. VAT (20%):
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If you've seen a better offer for this product, we will endeavour to match it. The competing offer must be on brand-new boxed items, and in stock from another UK Online Authorised Retailer (excluding marketplaces). Price match quotations are valid for 7 days.
SPEAKER CABLES:
A quantity of 2 means you will receive a pair of speaker cables e.g. for your front left and front right speakers. By entering a quantity of 1, you will get a cable for a single speaker e.g. centre speaker and this option also enables you to vary the length (and termination) of your cable for each speaker.
OTHER CABLES:
A quantity of 1 means you will receive a single cable in the case of aerial, satellite, subwoofer, digital coaxial & optical cables and a pair of cables in the case of 2 rca to 2 rca analogue audio cables.
NON-CABLE PRODUCTS:
A quantity of 1 means you will receive 1 of the specified products.
Order before 4pm (Mon–Fri) for same-day dispatch
QED Performance Subwoofer
The QED Performance Subwoofer connects the subwoofer output of a hi-fi amplifier or AV receiver to an active subwoofer. That job has its own demands. A subwoofer is rarely placed next to the amplifier and often sits across the room, so the cable may run for several metres past mains leads, network cables and other equipment. The range starts at 3.0m and goes up to 6.0m and 10.0m for exactly that reason.
It shares its core design with QED's Performance Audio interconnect. Solid Complementary Conductor Technology uses two electrically isolated solid-core conductors of 99.999% oxygen-free copper in different diameters, a construction QED have shown reduces small timing errors in the signal. In this application QED's listening tests found a more accurate rendition and an exceptionally tight low-frequency response, keeping the rhythm and impact of the music rather than letting the bass drag or bloat. A foamed polyethylene dielectric keeps capacitance low, which helps on longer runs into the high input impedance of a subwoofer amplifier.
The screening is what makes the long lengths work. A dual electrostatic screen keeps external electrical noise out of the signal path, and QED's Ferrite Insulation Technology adds an overall zinc-manganese ferrite jacket that absorbs digital and RF interference. A long unbalanced cable picks up more noise than a short one, and a subwoofer amplifier raises its own background noise level along with the signal, so a well-shielded cable is worth having here. An ultra-flexible TPE outer jacket guards against microphonic handling noise and makes the cable easy to route around a room, and gold-plated QED phono plugs give a low-noise, high-conductivity connection that won't tarnish.
What QED say about the Performance Subwoofer
MONO PHONO TO PHONO SUBWOOFER INTERCONNECT
QED Performance Subwoofer cables with Solid Complementary Conductor Technology™ feature two electrically isolated, solid, 99.999% oxygen-free copper central conductors of differing diameter which have been proven to reduce minute data timing errors. Listening tests have shown that this unique construction allows the analogue cable to deliver a more accurate musical rendition, retaining the rhythm and excitement of the original piece to produce an exceptionally tight low frequency delivery when used to connect a hi-fi amplifier to an active sub-woofer. In addition, to help prevent microphonic handling noise, the analogue signal is protected by an ultra-flexible TPE outer jacket. A dual electrostatic screen is also provided to prevent external electrical noise signals entering the signal path and this is combined with QED Ferrite Insulation Technology™, which supports the analogue signal in a matrix of complete radio silence.
Features:
- Solid Complementary Conductor Technology™ - provides an enhanced audio pathway to avoid time-smearing of unbalanced analogue signals
- Ferrite Insulation Technology™ - features an overall Zn/Mn ferrite jacket to protect delicate analogue signals from digital and RF interference
- Foamed polyethylene dielectric - reduces capacitance and ensures a low-loss environment for high input impedance analogue signals
- Ultra-flexible TPE outer jacket - for immunity to microphonic handling noise
- High quality gold-plated QED phono plugs - provide a low-noise, high conductivity connection for life
Specifications
General
- Brand: QED
- Model: Performance Subwoofer
- Range: QED Performance
- Type: Mono phono to phono subwoofer interconnect
- Available Lengths: 3.0m (QE7711), 6.0m (QE7714), 10.0m (QE7717)
Construction
- Conductors: Solid Complementary Conductor Technology™, two electrically isolated solid 99.999% oxygen-free copper central conductors of differing diameter
- Dielectric: Foamed polyethylene
- Screening: Dual electrostatic screen
- Ferrite Insulation Technology™: Overall Zn/Mn ferrite jacket against digital and RF interference
- Outer Jacket: Ultra-flexible TPE
Connectors
- Plugs: High quality gold-plated QED phono (RCA) plugs
- Configuration: Mono, single RCA to RCA
Compliance and Origin
- Markings: UKCA, CE
- Country of Manufacture: China
Specifications
General
- Brand: QED
- Model: Performance Subwoofer
- Range: QED Performance
- Type: Mono phono to phono subwoofer interconnect
- Available Lengths: 3.0m (QE7711), 6.0m (QE7714), 10.0m (QE7717)
Construction
- Conductors: Solid Complementary Conductor Technology™, two electrically isolated solid 99.999% oxygen-free copper central conductors of differing diameter
- Dielectric: Foamed polyethylene
- Screening: Dual electrostatic screen
- Ferrite Insulation Technology™: Overall Zn/Mn ferrite jacket against digital and RF interference
- Outer Jacket: Ultra-flexible TPE
Connectors
- Plugs: High quality gold-plated QED phono (RCA) plugs
- Configuration: Mono, single RCA to RCA
Compliance and Origin
- Markings: UKCA, CE
- Country of Manufacture: China
We use Royal Mail 1st Class services for our Standard Delivery.
Orders received before 4.30 pm Monday to Friday are usually dispatched the same day by FIRST CLASS post (unless premium postal or timed courier services are selected), subject to stock availability. This does not apply to custom-length cables and speaker cables as these require a longer timescale to terminate. This also excludes all cables selected for the burn-in service. Please note, we do not process orders on national holidays in the UK. Over 98% of our orders are delivered the next working day including Saturdays.
Standard delivery is usually within 2 working days, although 98% of all orders are delivered the next working day including Saturdays. In extreme cases, such as delivery to the Highlands and Islands, this may take 3 days.
All items are fully insured and come with an invoice from Future Shop. We use the Royal Mail for delivery of small packages and DPD Local or DHL for items that weigh over 2KG. Items over 2KG are fully insured and will usually be delivered within 48 hours of placing your order subject to stock availability. For international orders, we use FedEx or DHL services where customers have selected this option.








Please note, special orders for non-standard cable lengths may be subject to longer deliver time-scales. This may vary from manufacturer to manufacturer.
We offer 'Free delivery on orders over £99' subject to the following terms & conditions:
- Applies only to orders with £99 or more of items (including VAT at the UK rate), at Future Shop
- Free Delivery on orders over £99 utilises Royal Mail First Class postal service for items weighing under 2KG. For items weighing over 2KG, we use DPD or DHL next working day services which deliver from 9.00am to 6pm within mainland UK (excludes Royal Mail Special Delivery Services and timed next day delivery services by DPD or DHL).
- Applies only to deliveries to addresses within mainland UK and Northern Ireland addresses. Applies only to orders that are to be delivered to a single Mainland UK delivery address.
- You will not be eligible for free delivery on your order if any items are cancelled or returned for a refund, bringing the total order amount below £99. Where items are returned, the refund due will be the cost of the item less any postage costs.
- We reserve the right to change or discontinue 'Free delivery on orders over £99 promotion at any time.
- FREE DELIVERY FOR ORDERS OVER £99 OFFER DOES NOT APPLY TO TRADE CUSTOMERS.
UK Postal & Delivery Charges - FIRST CLASS
Free UK delivery on all orders over £99*
| Weight | Price (FIRST CLASS UK POSTAGE) |
| 0g - 1000g | £3.95 |
| 1000g - 1400g | £4.95 |
| 1400g - 1800g | £5.95 |
| 1800g - 2000g | £6.95 |
| 2000g - 3000g | £8.95 |
* Free Delivery on orders over £99 utilises Royal Mail First Class postal service for items weighing under 2KG. For items weighing over 2KG, we use DPD or DHL next working day services which deliver from 9.00am to 6pm within mainland UK.
Free Delivery for orders over £99 excludes Royal Mail Special Delivery Services and timed next day delivery services by DPD or DHL.
Special Delivery UK - Guaranteed Next Working Day
We have 99.9% of the UK covered With Royal Mail Next Day Special Delivery. We guarantee delivery to most UK addresses by 1pm the next working day. This includes Northern Ireland, Jersey and Guernsey. Some places take longer to deliver to but we still guarantee delivery within three working days by 5.30 PM.
Please note, Royal Mail Special Delivery for next working day may not be possible where non-standard cable lengths are ordered. If this is the case, the item will be shipped via The Royal Mail Special Delivery service as soon as the cable is custom made.
For orders weighing over 2KG, we reserve the right to ship items using Next Day Pre-Noon Courier Services where Royal Mail Special Delivery option has been selected.
Channel Islands & Northern Ireland
We accept orders from all Channel Islands including Alderney, Jersey, Guernsey and Sark. Unless you select a premium service, Items weighing under 2KG are delivered using our standard UK delivery option above. For items weighing over 2KG, a surcharge may be applied for all deliveries to the Channel Islands as well as Northern Ireland.
European Countries
Deliveries to EU member states are not subject to 20% VAT after December 31st 2020 and therefore the 20% VAT on items is automatically deducted when you log-in, register or proceed to place an order.
The customer will be liable for the VAT at the local VAT rate, duty on the import and the brokerage service fee if applicable. This may need to be paid in advance to your local Customs & Excise office or the delivery company before your order can be delivered.
We offer the following shipping services:
- Royal Mail First Class International Airmail Services - Items are usually delivered within 3 to 5 working days
- Royal Mail Standard International Mail Services - Items are usually delivered within 7-10 working days
- DHL Express International - Items are usually delivered within 24 to 48 hours. DHL orders must be received by 3:30pm for next day service to most destinations in Europe
- Federal Express International Priority - Items are usually delivered within 24 to 48 hours. FedEx orders must be received by 3.00pm for next day service to most destinations in Europe
- Federal Express International Economy - Item are usually delivered within 48 to 72 hours
We reserve the right to change your shipping method without notification if you select a method that we cannot use for your shipment (for instance, we cannot ship via postal services for items over 2 Kg to International destinations). If we need to change your shipping method, we will choose the least expensive shipping method for your order.
Worldwide - Excluding UK & Europe
Deliveries outside of the UK are not subject to 20% VAT and so the 20% tax on items is automatically deducted when you log-in, register or proceed to place an order.
If applicable, the customer will be liable for the taxes at the local tax rate, duty on the import and the brokerage service fee. This may need to be paid in advance to your local Customs & Excise office or the delivery company before your order can be delivered.
We offer the following shipping services:
- Royal Mail First Class International Airmail Services - Items are usually delivered within 7 to 10 working days
- Royal Mail Standard International Mail Services - Items are usually delivered within 15 working days
- DHL Express International - Items are usually delivered within 24 to 48 hours. DHL orders must be received by 3:30pm for next day service to most destinations in Europe
- Federal Express International Priority - Items are usually delivered within 48 hours. FedEx orders must be received by 3.00pm in order to ship items the same day, subject to stock availability
- Where the actual weight of the package significantly exceeds the shipping cost charged on orders, we may write to you for an additional shipping charge. For larger orders, items may be shipped in multiple packets at our discretion
We reserve the right to change your shipping method without notification if you select a method that we cannot use for your shipment (for instance, we cannot ship via postal services for items over 2 Kg to International destinations). If we need to change your shipping method, we will choose the least expensive shipping method for your order.