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AudioQuest Black Lab

Subwoofer cable (5 meters/16.4 feet)

83 Reviews | 3 questions - 10 answers

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Item # 703BLAB5M

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Our take on the AudioQuest Black Lab

AudioQuest's Black Lab cable delivers all the deep bass goodness your powered subwoofer is capable of. This cable features two identical conductors, and each conductor is a single, unbroken strand of AudioQuest's high-purity Long-Grain Copper. Solid conductors eliminate electrical and magnetic interference that can make multi-strand conductor cables sound brittle.

Help your subwoofer sound its best

AudioQuest Black Lab

AudioQuest's Black Lab cable delivers all the deep bass goodness your powered subwoofer is capable of. This cable features two identical conductors, and each conductor is a single, unbroken strand of AudioQuest's high-purity Long-Grain Copper. Solid conductors eliminate electrical and magnetic interference that can make multi-strand conductor cables sound brittle.

High-quality connectors eliminate the weakest link

Black Lab features RCA connectors made of gold-plated copper. The connectors are fastened by cold welding — a solder-less process that uses high pressure and silver paste to minimize signal loss. By contrast, solder tends to impede the signal, and heating the copper conductor can negatively affect its performance.

Product Highlights:

  • two solid Long-Grain Copper conductors eliminate "strand-interaction" distortion
  • air-filled foamed-polyethylene insulation minimizes energy storage and its associated distortion
  • 100% coverage metal shield with AQ's Noise Dissipation System to resist RFI interference
  • cold-welded gold-plated RCA connectors for reliability and resistance to corrosion
  • built-in ground wire with spade lugs to prevent hum
  • smooth PVC jacket
  • warranty: 5 years
  • Our 60-day money-back guarantee

What's in the Box:

  • 16.4' Mono-RCA subwoofer cable (w/ a male RCA connector and 8" ground wire on each end)

AudioQuest Black Lab Reviews

Average Customer Review(s):

(83 Reviews)
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Hands-on research

Product Research


Solid Long-Grain Copper (LGC) Conductors: Solid conductors eliminate strand-interaction distortion. Black Lab's solid Long-Grain Copper allows a smoother and clearer sound than cables using regular OFHC (Oxygen-Free High-Conductivity) copper. OFHC is a general metal industry specification regarding "loss" without any concern for distortion. LGC has fewer oxides within the conducting material, less impurities, less grain boundaries, and definitively better performance.

Foamed-Polyethylene Insulation: Black Lab uses air-filled Foamed-Polyethylene Insulation on both conductors because air absorbs next to no energy and Polyethylene is low-loss and has a benign distortion profile. Thanks to all the air in Foamed-PE, it causes much less of the out-of-focus effect common to other materials.

Metal-Layer Noise-Dissipation System (NDS): AudioQuest's Noise-Dissipation System prevents a significant amount of RFI from reaching the equipment's ground plane.

Symmetrical Coax Geometry: Identical positive (+) and negative (-) conductors prevent the shield being used as an inferior audio conductor.

Cold-Welded Gold-Plated Plugs: This plug design allows for a connection without the use of solder, which is a common source of distortion. Because the ground shells are stamped instead of machined, the metal can be chosen for low distortion instead of machinability.

Grounding: If you hear noticeable hum in your system after connecting your subwoofer, please attach the subwoofer cable's ground leads to your audio gear. Some audio equipment have a ground (GND) connection on the back-panel, if not, attach the ground spade lugs to any screw on the equipment chassis of both the source and the subwoofer. Usually, this wire will not need to be connected.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Needed room placement options. Needed the length to do that. [ Daniel  Jun 24, 2018 ]
fit my need [ Thomas  May 31, 2018 ]
Length and quality of cable. I have used Audioquest interconnects in the past and have been happy with them. [ Tech head  Mar 07, 2018 ]
I have a 7.2 Surroundsound in my theater room. This is needed to reach the back side of my theater room for my second power subwoofer . [ Derek  Mar 01, 2018 ]
reccomendation from crutchfield audio guy [ chris  Feb 01, 2018 ]
because it had good reviews so I decided to give it a try. [ thomas  Jan 23, 2018 ]
It is the length I needed. [ Cynthia  Aug 05, 2017 ]
Excellent quality product. Reasonable priced and easy ordering and shipping. [ Sal  Apr 23, 2017 ]
I always get more because you never know when you may need the extra length [ Robert Lee  Sep 17, 2018 ]
hiding equipment [ Gary  Aug 20, 2018 ]
To add a subwoofer [ Jeffrey  Jun 30, 2018 ]
Making secure contacts. Improve wires I now us. [ Randall  Jun 16, 2018 ]
I needed a subwoofer cable over 10m in length. They are surprisingly hard to find. [ Simon  Dec 07, 2017 ]
It was the only choice [ H  May 11, 2017 ]
Because you guys had it on hand, not to many stores carry a sub cable that long. [ Michael David  Mar 13, 2017 ]
I wanted a high-quality, in-wall (CL3) rated LFE cable. [ ERIC  Jun 01, 2016 ]
Completely satisfied with this item. [ Emmanuel  Mar 13, 2016 ]
rating and price [ CHRISTOPHER  Feb 25, 2016 ]
Needed long in-wall cable. [ Michael  Apr 29, 2018 ]
Needed long run and quick availability. Thanks for coming through!! [ John  Dec 13, 2016 ]
Because Calvin recommended this cable. [ Daniel  Oct 29, 2018 ]
To connect TT to pre-amp [ Anthony  Oct 05, 2018 ]
This was a suggested accessory. It was a good price with good ratings. It saved me the hastle of trying to find the appropriate wiring locally. [ rebecca  Aug 08, 2018 ]
length [ William  Jul 10, 2018 ]
Cruthfield adviser recommended the product. I liked that it was recommended, had good customer reviews, and was reasonably priced. [ Brian  Jul 01, 2018 ]
to connect to the subwoofer [ santiago  May 19, 2018 ]
AudioQuest cables have always been reliable. [ W  May 11, 2018 ]
Very good quality for my subwoofer [ Juan  Mar 11, 2018 ]
Sounds like a quality product at a good price and will pair well with the powered subwoofer purchase. [ Steven  Feb 09, 2018 ]
Very good product. Love their HDMI Cables. [ jerry  Jan 20, 2018 ]
Top seller [ Reymond  Jan 20, 2018 ]
Ability to ground. [ Andrew  Jan 12, 2018 ]
RECOMMENDED BY ADVISOR [ Krystyna  Dec 08, 2017 ]
I chose this to wire to run my Klipsch subwoofer because of the quality. It is also a wire recommended by Crutchfield advisers. [ Marcus  Nov 02, 2017 ]
I needed a subwoofer cable according to Allison. This one fits my needs. [ Eberhard  Oct 23, 2017 ]
Ziggy recommends. [ Judah  Oct 13, 2017 ]
Recommended by Crutchfield staff for the equipment I was ordering [ Richard C.  Oct 04, 2017 ]
Advisor recommendation [ Garry  Oct 03, 2017 ]
Recommended by Crutchfield sales associate [ William  Sep 30, 2017 ]
I'm installing this cable in a wall, so I wanted a higher quality cable. I also didn't want to spend the time working with raw RG6 cable and RCA connectors. [ Ken  Aug 08, 2017 ]
Recommended by Crutchfield representative. [ joseph  May 21, 2017 ]
Best seller [ Timothy  Mar 18, 2017 ]
It was the length I needed [ Russell  Feb 09, 2017 ]
price, quality [ Randall  Jan 26, 2017 ]
Recommended by Sonny @ Crutchfield [ Rex  Dec 29, 2016 ]
Quality. Recommended by a friend. [ Thytho  Dec 15, 2016 ]
It was recommended by Jane, your support person. [ Jeffrey  Dec 13, 2016 ]
Klipsch R-112SW connection. [ Derrell  Dec 07, 2016 ]
Recommended by adviser [ Kevin  Nov 29, 2016 ]
Hooking up a subwoofer to my home theater [ Jim  Nov 27, 2016 ]
I've never had a sub before. Hogan knows my goals and this is the cables to do it with. Excellent service product knowledge and price it is fun once again to buy equipment. I hate speaker bars and people telling me that's surround sound. Towers, receivers,wpc. speaker design it ALL affects what we hear , we each hear different or else they would make only one speaker system. [ MIKE  Nov 23, 2016 ]
Good price, right length for where I am placing the subs [ Kyle  Sep 26, 2016 ]
Needed a quality subwoofer cable at a decent value. [ Brian  Jul 31, 2016 ]
Recommended by Clarence Clarence's Bio: [ Theodore  Jul 08, 2016 ]
seeking quality bass sound [ L. Raul  Jun 14, 2016 ]
Good quality cable with a built in ground. I have had feedback issues in the past with other subwoofer cables and rca cables that could have been prevented with this simple ground wire. [ Brian  May 31, 2016 ]
Audio quest are the best cables out there period. [ Andrew  May 17, 2016 ]
Needed a quality sub cable and Audioquest gives you great value. [ CARMINE T  May 05, 2016 ]
I wanted to get the best cable for the money. [ Rodney  Mar 23, 2016 ]
It was the only option for a short (6') cable [ Stephen  Feb 04, 2016 ]
The sound from my sub improved when I switched to this cable. [ mitchell  Dec 16, 2015 ]
You guys recommend it therefore I know I need it and its the best interest for me [ EDGAR  Nov 03, 2018 ]
i needed it [ John  Oct 12, 2018 ]
recommended for subwoofer [ Andre  Sep 22, 2018 ]
Good value, nice length selection. [ Roland  Sep 07, 2018 ]
I need the best cable which i believe audioquest is. [ Gregory  Sep 04, 2018 ]
I live chatted with a Crutchfield advisor and he recommended it. [ Les  Sep 04, 2018 ]
Crutchfiled happy customer. [ ROBERT P  Aug 23, 2018 ]
Rusty recommended it [ Joseph Hunter  Jul 22, 2018 ]
Connect subwoofer to receiver [ Jeffrey  Jul 18, 2018 ]
I needed to upgrade my subwoofer cable. All the cables I use are AudioQuest. AudioQuest products are awesome! [ Cassandra  Jun 15, 2018 ]
Recomended thru your chat [ Doug  Jun 13, 2018 ]
Quality and perfect length [ Hugh G.  Jun 03, 2018 ]
Price Brand Size Value [ Todd  Apr 20, 2018 ]
AudioQuest cables are high quality, dependable, and always bring out the best in my audio/ video equipment [ Gwendolyn  Apr 10, 2018 ]
I have two subwoofers in my system. One is connected with the Black Lab cable and the other with another brand. There is a difference. The black Lab cables go deeper than the other. [ Tech head  Apr 03, 2018 ]
I needed subwoofer wiring [ Michael  Mar 19, 2018 ]
for the shielding and the ground [ Kenneth  Mar 14, 2018 ]
Old chord damaged AudioQuest reputation [ Dan  Mar 02, 2018 ]
I like that the cable has grounding cable on it. They seem to be of good quality and got good ratings. [ JERRY N  Dec 28, 2017 ]
To get the best possible audio performance from the subwoofer. No other reason is necessary. [ David  Dec 19, 2017 ]
recommended [ D  Dec 12, 2017 ]
Connecting Def Tech 9080's sub to amp - Audioquest quality desired [ K  Dec 05, 2017 ]
recommendation from your tech Mr. Colt. He was very helpful in assisting me in choosing a home audio system that can rock the house for my son for Christmas. Thanks Colt! [ Ramon  Dec 03, 2017 ]
My subwoofer cable was over 15 years old, and forty bucks, while a bit steep, seems reasonable to ensure I'm getting maximum performance from my new subwoofer. [ Brady  Nov 25, 2017 ]
I love the AudioQuest Type 4 speaker cables I purchased, they really made a noticeable difference, so I thought I would try this cable based on that. [ JAMES K  Nov 11, 2017 ]
Good quality for a great price! [ ROBERT  Nov 09, 2017 ]
Don't have a dedicated sub cable and after reading the information on your site I ordered it. [ Thomas  Oct 13, 2017 ]
Good quality at a reasonable price. [ David  Oct 11, 2017 ]
the best sub wire around [ LARRY  Sep 16, 2017 ]
I chose the AudioQuest Black Lab cable because it was the right length I needed, and it didn't cost an arm and a leg. [ Terri  Sep 04, 2017 ]
Had a Monster Cable SW cable but plug shield broke off (threads stripped) [ David  Aug 22, 2017 ]
Audio Quest makes very good quality cables,and anytime i want sub cables or HDMI cables i always purchase them first. [ Anthony  Jun 15, 2017 ]
Best seller through crutchfield [ STEVEN K  May 16, 2017 ]
AudioQuest brand and specs. [ E  May 09, 2017 ]
The price was a large factor, but I needed a shielded audio cable to run down the inside of a wall for a basement reno project that I am working on. [ James  May 07, 2017 ]
Recommended by Crutchfield advisor Wade. [ SCOTT A.  May 02, 2017 ]
In wall installation, read reviews and LOVED the warranty. [ rene  Mar 08, 2017 ]
Seemed like a good value to get me started hooking up my sub. [ MMA02ME  Mar 02, 2017 ]
Brand name and reviews on Crutchfield; plus very good selling price. [ Randolph  Feb 10, 2017 ]
Reviews [ Lloyd  Feb 07, 2017 ]
New electronic equipment accessories needed [ Tracy L.  Dec 19, 2016 ]
Quality [ John  Dec 13, 2016 ]
Recommended by Rusty. [ D  Dec 02, 2016 ]
Audioquest has been around forever and their products have proven to be of excellent quality. [ Kenneth  Nov 30, 2016 ]
Recommended by technical staff. [ Tyler  Nov 28, 2016 ]
Recommended by Tyler [ ANDREW  Nov 26, 2016 ]
Recommended by Cructhfield as I added my speakers to my cart - great customer reviews, and I needed one for my system. [ Sean  Nov 20, 2016 ]
Length was perfect from AV closest and includes the extra ground wire on the cable. [ Daniel  Nov 14, 2016 ]
Highly recommended.... absolutely love AudioQuest cables in general [ nancy  Jun 29, 2016 ]
Good product [ David  Feb 27, 2016 ]
Recommendation from tech support [ Philip  Jan 23, 2016 ]
I use only AudioQuest HDMI cables, and I'm pleased with performance. Ergo ............................. [ Dean  Jan 18, 2016 ]
I only use Audioquest cables for all my audio needs. They have the best cables for the money producing the best sound... [ Aaron  Dec 31, 2015 ]
recommended by the advisor [ Garry  Sep 06, 2018 ]
quality brand - had good experience with before [ William  Aug 22, 2018 ]
Was recommended an i needed it. [ Richard  Jun 05, 2018 ]
Got one before to try and I'm impressive with this Sub Woofer Cable. Buy another one again today for my Klipsch R - 12 SW and highly recommended by Angel [ ARNEL  Apr 28, 2018 ]
I chose it simply because of the positive ratings and reasonable price. [ Mark  Mar 29, 2018 ]
In-wall installation [ Renato  Mar 04, 2018 ]
High quality cable, an ends. It's the length I needed to reach my 2nd I just ordered. [ Ronald Dale  Mar 03, 2018 ]
i needed a longer subwoofer wire to reach where the sub will sit [ chris  Jan 15, 2018 ]
Not sure why [ Francisco  Dec 29, 2017 ]
Have existing AudioQuest HDMI and subwoofer cables and am very pleased with their performance. Needed a longer cable for sub due to repositioning of the subwoofer. [ Robert  Dec 13, 2017 ]
you said it was good [ James  Aug 03, 2017 ]
It was recommended by Ryan [ Murray  Jul 01, 2017 ]
I already have other ELAC floorstanding speakers and like them. [ Alexander  May 21, 2017 ]
Troy advised me that I needed it for the hook up. [ Deanna  May 20, 2017 ]
Needed a new quality cable to replace an old monster cable. [ Jeffrey  May 03, 2017 ]
Have this cable in 2 meters; need longer run. [ Randolph  Feb 21, 2017 ]
It's feeding a Klipsch RT10d. Another cable didn't work. This cable is a little expensive, but it works okay. [ DWIGHT D  Feb 18, 2017 ]
Price and the 16.4 length. [ Rudy  Feb 03, 2017 ]
I need a 15 ft length subwoofer cord and this one is 16 ft. and had good reviews. [ Paul  Jan 30, 2017 ]
Quality of the AudioQuest product line. [ ADRIAN  Jan 17, 2017 ]
Highly rated by customers. Need longer cord for second sub. [ JEFFREY S  Nov 27, 2016 ]
it was 16' [ ERIC W  Nov 13, 2016 ]
Audioquest cables seem to be # 1 for SQ today. I am using it in all my devices in my HT system. Very impressed.. [ SOUND EQ GUY  Sep 23, 2016 ]
I needed it for my base speaker [ teresa  Sep 01, 2016 ]
Recommended by Brandy who assisted me with the selection of my purchase. Brandy's Bio: [ Chris  Jul 23, 2016 ]
It seemed to be a good quality item for a reasonable price. [ DANIEL  Jun 10, 2016 ]
Ann recommended this cable to connect my Klipsch SW-110 subwoofer to my Onkyo TX-SR607 receiver. I trust the folks at Crutchfield and know that they stand behind everything they sell. Ann's Bio: [ Tom  May 24, 2016 ]
Great product [ Benjamin  Feb 03, 2016 ]
Great quality [ Justin  Oct 19, 2018 ]
I like audioQuest [ Peter  Sep 25, 2018 ]
Needed a cable to run in Wall for the sub. Price was good and reviews were excellent [ James R.  May 14, 2018 ]
Only one available [ Robert  Apr 08, 2018 ]
Price, length, and good reviews. [ F  Dec 16, 2017 ]
quality. [ J  Jun 25, 2017 ]
AudioQuest makes a very high quality product! [ melissa  Apr 17, 2017 ]
It was recommended by one of Crutchfield's outstanding associates whom I trust to know his stuff. [ Ricky  Apr 13, 2017 ]
I have a powered sub wolfer and i needed a longer cable. [ Joe  Feb 10, 2017 ]
i'm hoping that audioquest has good quality control on their products, as opposed to cheaper brands. [ ben  Jan 03, 2017 ]
Trying to solve a ground problem in my existing system. [ JC 978  Dec 29, 2016 ]
It was recommended to me by the chat staff. They have helped me sufficiently with past purchases. [ DAVID  Dec 09, 2016 ]
Quality and features [ John  Dec 01, 2016 ]
Advisor recommendation. [ James  Nov 29, 2016 ]
Needed accessory for powered subwoofer purchase. With Crutchfield return policies, if it's not right I can always return/exchange. [ JOHN V  Dec 19, 2015 ]

3 questions already asked

Yes you can run this in your wall .I have mine running under the sub floor and carpet no problems.The sound quality from the Infiniti sub is excellent [ MICHAEL  Jul 02, 2015 ]
The cable is perfectly acceptable, but the problem will be snaking the thick cable through the walls. So unless you are addressing new construction or a substantive remodeling job, you might want to consider cable raceways or channels. [ GARRETT  Jul 01, 2015 ]
Hi Aaron, Yes it is. Unfortunately I had mine go bad but they come with a five year warranty. So I sent it back to audio quest and they sent me another. I have two but of course the one that went bad was the one in the wall. I hope this helps. Don. [ DONALD  Jun 30, 2015 ]
Yes it is. I pre-wired my house with two of these for my theater. Just remember not to run the wire parallel with the electrical in your home. [ Christopher  Jun 30, 2015 ]
I used it in the wall and it seems to work just fine. [ Steve  Jun 30, 2015 ]
I Put it inside my wall and haven't had any problems with it. [ Steven  Jun 30, 2015 ]
Sorry for the delayed respond. I'm guessing you. I would think the connections are the same. I only use it for my sub but it works like any other audio cable. [ Chase A.  Jan 06, 2016 ]
No for a powered sub not for center [ TIMOTHY M  Jan 04, 2016 ]
Yes. I use it for my center speaker. [ Lee M.  Jan 04, 2016 ]

Looking for more? Check out the next model in this lineup.

Audioquest Irish red  5 meter subwoofer cable

Get a subwoofer cable that sounds and looks better.

The AudioQuest Irish Red offers these features:

silver-plated solid copper conductors for superior sound quality (silver layer is 0.5% of total conductor)

black-and-red braided covering


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