Best Subwoofer Cable 2021

by Editor

One of the most common things people tend to overlook when setting up their home theater is not the quality of equipment you have or where the speakers are placed. It is the quality of signal strength sent to these speakers that matters the most. 

A weak signal strength automatically leads to poor quality of sound and the only way you can avoid this is by purchasing a good set of high-quality cables. When it comes to your subwoofer you have to be extra careful so you don’t get unwanted distortion from low-quality cables. 

So I’ve put together a couple of my favorite cables that are of top-notch quality to bring out the best in your home theater system.

So let’s start with the Best Subwoofer Cables.

  • Blue Jeans Cable LC-1 Double-Shielded Low Capacitance Subwoofer Cable
  • Audioquest SUB-1 Silver Serpent Anniversary Edition RCA Audio Interconnect Cables
  • Audioquest Black Lab RCA Male to RCA Male Subwoofer Cable
  • Audioquest Boxer RCA Male to RCA Male Subwoofer Cable
  • Better Cables Silver Serpent Carbon Edition
  • JIB Boaacoustic Blueberry Series 6N OCC RCA to RCA
  • Audioquest Irish Red RCA Male to RCA Male Subwoofer Cable

Recommended Read: Woofer Vs Subwoofer

Top 7 Best Subwoofer Cables

#1 Blue Jeans Cable LC-1 Double-Shielded Low Capacitance Subwoofer Cable

First on my list is the Blue Jeans Cable LC-1, Blue Jeans is new in the market but is standing out for its excellent quality products. The high-quality rubber insulation is .30 in diameter that makes this cable quite thick. 

The copper wire used in the cables is made of low-capacitance copper for maximum signal flow. 

The cables have two individual braided shields that are securely connected to gold-plated high-quality RCA connectors. 

This subwoofer cable is available in different lengths and is also available to customize as per your desire. The cable is UL listed and CM rated making it perfect to use for in-wall installments. 

With the advantage of the subwoofer wire being thick, it is not what you want to use for under carpet wiring as it can create a hindrance.

#2 Audioquest SUB-1 Silver Serpent Anniversary Edition RCA Audio Interconnect Cables

Here is a cable company that needs no introduction called Audioquest, they have been making audio cable and equipment over the years and are really good at it. The Audioquest SUB-1 is my favorite from the brand because of its silver-plated copper conductors than your regular copper. 

It has a stranded core than the solid core that is favored by most audiophiles but the silver-plated copper wires still offer an excellent signal transfer. With a 100 ft long wire, the signal loss is as little as .3db which is quite impressive. 

A copper shield is isolated around the wire to reduce noise pick up and provide extra support making the wire sturdy for long-term use. 

Without a doubt, this is an excellent choice to improve the low end of your home theater set up. 

#3 Audioquest Black Lab RCA Male to RCA Male Subwoofer Cable

Here is another great subwoofer audio cable from Audioquest called the Black lab. It is male to male RCA subwoofer audio cable that falls in the premium cable range from Audioquest. It comes with unique noise protection features that are a big plus when you are dealing with low-frequency signals for your subwoofer. 

The subwoofer cable is designed with the latest NDS (Noise-Dissipation System) that offers 100% shield coverage thanks to its metal-layer NDS that comes as a signature shield from premium Audioquest products.

The conductors used are made of long-grain copper that helps remove strand-interaction distortion which helps provide clean, smooth, and robust low end. 

The cable is insulated with high-quality foamed-polyethylene insulation that helps reduce the effects of imperfect circuitry from other devices that could disturb the signal. Audioquest is known for its high-quality air-filled Foamed Polyethylene that dissipates any unwanted energy flow. 

The plugs in this subwoofer cable are gold-plated and are cold-welded, this is done to avoid unwanted sound distortion. This is one of the most important things to get right in a subwoofer cable and Audioquest has done just that. 

#4 Audioquest Boxer RCA Male to RCA Male Subwoofer Cable

An alternative for the Audioquest Black lab is the Audioquest Boxer that is also in the premium category with some changes that make this cable an excellent choice as a subwoofer connector. 

The conductors used in this wire are made of high-purity silver conductors that ensure no signal is lost when received from the deck or sound system. 

A three-layer NDS system that is carbon-based dissipates unwanted frequencies from altering your signal and sound and is an excellent feature to have for a subwoofer wire. 

The cables are well insulated with lossless foam polyethylene that ensures no unwanted energy is picked up never by faulty circuitry. It also adds to the protection of the wires from external hit or damage. 

Ground wires are provided to further reduce unwanted energy to pass in the wires that are double-balanced. The grounding is provided on both sides of the wires. It also has 5% of true red copper that amplifies signal strength and quality. 

It comes with a 5-year warranty that shows this subwoofer cable is built to last and is worth every penny. 

#5 Better Cables Silver Serpent Carbon Edition

Here is a versatile cable that can be used as a subwoofer cable as well as a multi-channel audio application. They are an excellent choice for under carpet audio cable installation hence, they made it to our list for high quality with medium insulation. 

The conductors are coated with a high-purity silver coating that offers excellent lossless connection and signal transfer. The coating is done so well that it is equivalent to some of the premium quality cables from the audio quest for double the price. 

What you can expect from this cable is a smooth tactile midrange with robust low end and softening roll-off at 5khz. The bass on your subs will sound tight and centered.

#6 JIB Boaacoustic Blueberry Series 6N OCC RCA to RCA

If German quality is what you desire, that’s what you’ll get with this JIB digital optical audio cable. These cables are mainly used in Toslink ports that are used for high-definition devices, making them super versatile and can be used in various devices. 

The connectors used in this subwoofer cable are gold-plated that are made to be corrosion-resistant, which is a common problem faced with many cables. The cable is braided with high-quality cotton making it flexible and sturdy to use. 

The unique thing about these cables is that they have buffer tubes that are used to send optical signals along with analog signals. This is something most subwoofer cables lack and is used in a very clever way to enhance your listening experience and also makes it versatile to be connected to various devices other than your home theater. 

#7 Audioquest Irish Red RCA Male to RCA Male Subwoofer Cable

If durability and thickness are what you’re looking for, this heavy-duty, double-shielded cable is my top choice for you. These are perfect for subwoofer connections and can be used to connect speakers to a receiver or amp. 

What you get from using these particular cables is a tight, full bass that sounds punchy with tight mids. The cables also remove any possibilities of RF noise and EMI giving you clean robust sound without dropping any frequencies.

The conductors used are made of silver rather than the usual aluminum which helps remove a jitter or strand distortion when used to connect a sub to the receiver. It has a long grounding wire on both sides of the cable. Removing any chance of external energy being carried by the wire that would cause hiss and distortion in your sound. 

Though it falls on the expensive side of town, these cables don’t disappoint in terms of quality and that is what you want when you invest in a home theater. This is made for all the audiophiles out there. 

The red cable shielding is super reliable with a metal-based coating than the usual carbon-based. It comes with a 5-year warranty guaranteeing top-quality performance to bring the best from your home entertainment system.


Can I use these subwoofer cables for my normal speakers?

Yes, It is possible to use the cables for your regular speakers provided if they have an RCA input connection. Most home theater systems come with copper lead to switch connections then it wouldn’t be possible for you to use these cables. If that’s your cause you can search for high-quality speaker wires than cable which should do the same.

Does having a longer length of cable drop signal strength or lag?

Yes, it does but this is only if you are using normal cables that you receive from your stock home theater installment. The whole point of the above cables is to have your desired length of the cable without losing signal strength. So if you are planning for a large wide space set up. You need these high-quality cables. 

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