QED Performance Subwoofer Cable
Usage Guide
Amplifier
Subwoofer
Connection Guide
RCA Single
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Item code: QED Performance Sub
Inc. VAT (20%) · Ex. VAT: £49.17 Ex. VAT · Inc. VAT (20%):
Lowest price in the last 30 days:
Request to Price Match
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 Cable
Feel every beat with the Performance Subwoofer cable.
The mutli-award winning Performance category, renowned for extraordinary performance at exceptional value presents Performance Subwoofer. This cable features dual electro-static shielding for enhanced signal integrity and quasi-balanced twisted pair geometry to provide a pure, noise free experience. QED is so proud of this product that they offer a lifetime guarantee.
99.999% Oxygen Free Copper Conductors
Oxygen free conductors will stand the test of time to provide you with the QED experience for life.
Quasi-Balanced Twister Pair Geometry
Brings superior noise immunity to unbalanced audio connections by using a twisted pair for the signal and return paths thus introducing a level of common mode noise rejection not present in conventional cables.
Precision Engineered Plug with Integrated Grip
24k gold plated RCA connectors firm and low resistance connection. Gold is used because it will not tarnish thus providing a long lasting low contact resistance connection
Dual Electro-Static Shielding
Protects delicate signals against interference from external high voltages over long cable runs. The shield should ideally be connected at the source end, hence the directionality arrows printed on the cable jacket.
Specification :
- Conductor Section (mm2) 2 x 0.40
- Conductor Material 99.999% Oxygen Free Copper
- Screening Material Aluminium Mylar + Double 99.999% OFC Braids
- Conductor Dielectric Foamed Low Density Polyethylene
- Loop Resistence (Ohm/m) 0.087
- Parallel Capacitance (pF/m) 127
- Loop Inductance (µH/m) 0.65
- Dissapation Factor (@10Khz) 0.0016
- Overall Size (mm) 6.1 Dia
- Finish Pearl Black
- Lifetime Warranty
About QED Cables 
QED is an award winning British company with over 40 years of experience in the audio-visual connectivity industry.
In 1973 Bob Abraham and Ian Vine founded QED Audio Products and changed the way people think about hi-fi cables. By the time QED 79 strand speaker cable was launched in 1978, it wasn’t looked upon as ‘just another speaker cable’ but was instead regarded as a serious hi-fi component, making a fundamental change in the way people thought about cables.
QED's reputation for innovation and technical excellence is known throughout the world. The latest computer-aided design techniques allow their research and development team to keep pace with technological advances and deliver products that achieve the highest levels of performance and reliability. This is why QED products are recommended by so many of the world’s leading hi-fi and home theatre equipment manufacturers.
QED offer a range of connectivity products spanning from both consumer and installation cables, wireless products and switching devices to satisfy every audio visual need.
QED is Europe's number one award winning connectivity brand and has won more prestigious cable awards from ‘What Hi-Fi? Sound & Vision’ magazine than any other brand (Awards 1981–2013).
About QED Cables
British cable maker covering speaker, analogue, HDMI and digital cables, plus speaker and network cable for installers.
QED is a British company that makes connection products for audio and video systems. The catalogue covers speaker, analogue, XLR, phono, subwoofer, USB, optical, coaxial, Ethernet and HDMI cables, and mains cables. For installers it offers the QX16 series speaker cable and a CAT network cable.
Read more about QED Show less
Installer products for longer runs
QED's main installer products are the QX16 series speaker cable and its CAT network cable. Both suit cable that has to be run through a house or a room rather than a short link between two components, which is the job the rest of the range covers.
A full set of digital and video connections
For digital and video connections, QED makes HDMI cables, USB cables in A-B and A-Micro B formats, and optical, coaxial and Ethernet cables. That covers most of the digital connections in a modern system, from a streamer to a TV.
Analogue connections from one maker
For the analogue side of a system, QED makes speaker cables, analogue interconnects, XLR and phono cables, subwoofer cables and mains cables. That gives you the connections between your source, amplifier and speakers, and the power feeding them, from a single British maker.
Why we stock QED
QED was one of the first brands we ever ordered, back in 2005 when we started. We have sold them every year since. Twenty-one years with one brand tells you something about how few of them come back, and QED still sit at the price point where most good systems begin.
Specification :
- Conductor Section (mm2) 2 x 0.40
- Conductor Material 99.999% Oxygen Free Copper
- Screening Material Aluminium Mylar + Double 99.999% OFC Braids
- Conductor Dielectric Foamed Low Density Polyethylene
- Loop Resistence (Ohm/m) 0.087
- Parallel Capacitance (pF/m) 127
- Loop Inductance (µH/m) 0.65
- Dissapation Factor (@10Khz) 0.0016
- Overall Size (mm) 6.1 Dia
- Finish Pearl Black
- Lifetime Warranty
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.
Frequently Asked Questions
QED Performance Subwoofer Cable
Feel every beat with the Performance Subwoofer cable.
The mutli-award winning Performance category, renowned for extraordinary performance at exceptional value presents Performance Subwoofer. This cable features dual electro-static shielding for enhanced signal integrity and quasi-balanced twisted pair geometry to provide a pure, noise free experience. QED is so proud of this product that they offer a lifetime guarantee.
99.999% Oxygen Free Copper Conductors
Oxygen free conductors will stand the test of time to provide you with the QED experience for life.
Quasi-Balanced Twister Pair Geometry
Brings superior noise immunity to unbalanced audio connections by using a twisted pair for the signal and return paths thus introducing a level of common mode noise rejection not present in conventional cables.
Precision Engineered Plug with Integrated Grip
24k gold plated RCA connectors firm and low resistance connection. Gold is used because it will not tarnish thus providing a long lasting low contact resistance connection
Dual Electro-Static Shielding
Protects delicate signals against interference from external high voltages over long cable runs. The shield should ideally be connected at the source end, hence the directionality arrows printed on the cable jacket.
Specification :
- Conductor Section (mm2) 2 x 0.40
- Conductor Material 99.999% Oxygen Free Copper
- Screening Material Aluminium Mylar + Double 99.999% OFC Braids
- Conductor Dielectric Foamed Low Density Polyethylene
- Loop Resistence (Ohm/m) 0.087
- Parallel Capacitance (pF/m) 127
- Loop Inductance (µH/m) 0.65
- Dissapation Factor (@10Khz) 0.0016
- Overall Size (mm) 6.1 Dia
- Finish Pearl Black
- Lifetime Warranty
About QED Cables
QED is an award winning British company with over 40 years of experience in the audio-visual connectivity industry.
In 1973 Bob Abraham and Ian Vine founded QED Audio Products and changed the way people think about hi-fi cables. By the time QED 79 strand speaker cable was launched in 1978, it wasn’t looked upon as ‘just another speaker cable’ but was instead regarded as a serious hi-fi component, making a fundamental change in the way people thought about cables.
QED's reputation for innovation and technical excellence is known throughout the world. The latest computer-aided design techniques allow their research and development team to keep pace with technological advances and deliver products that achieve the highest levels of performance and reliability. This is why QED products are recommended by so many of the world’s leading hi-fi and home theatre equipment manufacturers.
QED offer a range of connectivity products spanning from both consumer and installation cables, wireless products and switching devices to satisfy every audio visual need.
QED is Europe's number one award winning connectivity brand and has won more prestigious cable awards from ‘What Hi-Fi? Sound & Vision’ magazine than any other brand (Awards 1981–2013).
About QED Cables
British cable maker covering speaker, analogue, HDMI and digital cables, plus speaker and network cable for installers.
QED is a British company that makes connection products for audio and video systems. The catalogue covers speaker, analogue, XLR, phono, subwoofer, USB, optical, coaxial, Ethernet and HDMI cables, and mains cables. For installers it offers the QX16 series speaker cable and a CAT network cable.
Read more about QED Show less
Installer products for longer runs
QED's main installer products are the QX16 series speaker cable and its CAT network cable. Both suit cable that has to be run through a house or a room rather than a short link between two components, which is the job the rest of the range covers.
A full set of digital and video connections
For digital and video connections, QED makes HDMI cables, USB cables in A-B and A-Micro B formats, and optical, coaxial and Ethernet cables. That covers most of the digital connections in a modern system, from a streamer to a TV.
Analogue connections from one maker
For the analogue side of a system, QED makes speaker cables, analogue interconnects, XLR and phono cables, subwoofer cables and mains cables. That gives you the connections between your source, amplifier and speakers, and the power feeding them, from a single British maker.
Why we stock QED
QED was one of the first brands we ever ordered, back in 2005 when we started. We have sold them every year since. Twenty-one years with one brand tells you something about how few of them come back, and QED still sit at the price point where most good systems begin.
Specification :
- Conductor Section (mm2) 2 x 0.40
- Conductor Material 99.999% Oxygen Free Copper
- Screening Material Aluminium Mylar + Double 99.999% OFC Braids
- Conductor Dielectric Foamed Low Density Polyethylene
- Loop Resistence (Ohm/m) 0.087
- Parallel Capacitance (pF/m) 127
- Loop Inductance (µH/m) 0.65
- Dissapation Factor (@10Khz) 0.0016
- Overall Size (mm) 6.1 Dia
- Finish Pearl Black
- Lifetime Warranty
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.
Write Your Own Review
QED Performance Subwoofer Cable
We are interested in your opinion of this product. let us and other customers know how you feel by filling in the comment field below. Your review will appear in this section within 3 working days.
Please do:
- - Write 50-300 words for the product
- - Comment on the products value and effectiveness
- - Tell us if you like the product, but most importantly explain why you like or dislike it
- - Mention related products and how this one rates by comparison
Customers consistently praise this subwoofer cable's build quality, construction, and value for money, with many reporting improved bass response, clarity, and sonic detail. The cable features directional arrows for optimum sound and demonstrates solid engineering suggesting longevity. Fit is noted as tight, requiring care during removal. Delivery and ordering are generally fast and efficient. One recurring negative theme identified was inadequate packaging that failed to protect the product box during shipping.
A bank delivery was quick, and ordering was easy.
The interconnects and Ethernet cables ensure that every nuance captured is relayed accordingly.
I personally believe for the money, it’s punching above its weight.
Frequently Asked Questions
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Write Your Own Review
QED Performance Subwoofer Cable
We are interested in your opinion of this product. let us and other customers know how you feel by filling in the comment field below. Your review will appear in this section within 3 working days.
Please do:
- - Write 50-300 words for the product
- - Comment on the products value and effectiveness
- - Tell us if you like the product, but most importantly explain why you like or dislike it
- - Mention related products and how this one rates by comparison
