It’s just a cable—until you’re listening to your favorite tunes. The Best Buy essentials 15’ RCA Cable for Subwoofers connects self-powered subwoofers using an RCA connection. It’s designed to reduce signal loss and maintain low-frequency bass, so you’ll always be listening to high-quality audio. With a 15 ft. length, set up your devices how you want them, knowing you have flexible placement options and the reach you need. Our copper shield improves audio quality, while durable nickel-plated brass connectors and a flexible PVC cord prevent corrosion and grant durability. And it’s all backed by Best Buy, so you can trust it to transmit the high-quality sound you want.
Q: Who builds and backs Best Buy essentials products?
A: Best Buy essentials products are built and backed by Best Buy.
Q: What is the benefit of the copper shield in this cable?
A: The copper shield helps to reduce electrical noise and interference, leading to a better listening experience.
Q: What kind of products are included in the Best Buy essentials line?
A: Best Buy essentials are products designed to make your life easier, including honest, safe, and reliable computer accessories.
Q: What type of connection does this subwoofer cable use?
A: This subwoofer cable uses an RCA to RCA connection.
Q: Are the connectors on this cable durable?
A: Yes, the connectors are nickel-plated brass to resist corrosion, and the cable is made of flexible PVC for long-lasting use.
Q: Does this cable have any features to prevent signal loss?
A: Yes, this cable is designed to reduce signal loss and maintain low-frequency bass.
A: It is the standard size tip, I believe it is 3.175 MM, sounds like you need a bigger plug, but keep in mind it is an inexpensive solution so the overall tip is standard for general use. It sounds like you need a wider cable, I hope you were able to solve the issue.
A: Hi Diameter! The Best Buy Essentials subwoofer cable typically has a diameter of around 5-6mm for the purple parts. However, it's always best to check the product specifications in person and visit our store to ensure its compatibility. JC | Best Buy Essentials Support https://www.bestbuy.com/site/best-buy-essentials-15-subwoofer-cable-black/6458775.p?skuId=6458775
Customers commend the 15’ RCA Cable for Subwoofers for its good quality and ease of use. The cable length is more than sufficient for most users, and it offers broad compatibility. However, a few customers have reported concerns regarding signal loss and shielding. Overall, the cable seems to satisfy the majority of users.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

It’s just a cable—until you’re listening to your favorite tunes. The Best Buy essentials 15’ RCA Cable for Subwoofers connects self-powered subwoofers using an RCA connection. It’s designed to reduce signal loss and maintain low-frequency bass, so you’ll always be listening to high-quality audio. With a 15 ft. length, set up your devices how you want them, knowing you have flexible placement options and the reach you need. Our copper shield improves audio quality, while durable nickel-plated brass connectors and a flexible PVC cord prevent corrosion and grant durability. And it’s all backed by Best Buy, so you can trust it to transmit the high-quality sound you want.
![FosPower - [24K Gold-Plated] Premium RCA to RCA Audio Cable - 15FT, Male to Male Subwoofer Cable Clean Sounding Signal - Purple](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/9ee8a38e-8b8b-4ea9-8000-a2eb56830c80.jpg;maxHeight=422;maxWidth=264?format=webp)
Subwoofer Cable with Zero Humming. FosPower's low-loss, accurate, clean sounding premium subwoofer cable connects a subwoofer speaker to a stereo receiver, an audio component or surround sound system. Great for connecting audio components with a single RCA port/jack. 24k Gold-Plated Connectors. This subwoofer cable provides gold-plated connectors allowing for maximum connectivity and durability. Ensure a stable connection with all types of coaxial ports to prevent loss of signal, including recessed ports that can be difficult to access or connect to. Dual Layer Braided and Foil Shielding. The subwoofer cables' dual layer shields are braided with copper and protected by aluminum foil, which provides cable flexibility and greatly reduces unwanted EMI/RFI interference. PF Insulator and tin-plated copper core. The cores of the subwoofer cables are covered with a polyethylene foam (PF) dielectric insulator, which greatly minimizes signal loss. The tin-plated copper core of FosPower's cables reduces oxidation and increases the wire life. Specifications. Connectors. Type: RCA. Interface: Analog Audio. Cable. Jacket: PVC. Conductor: Tin-plated Copper Core. Dielectric: Polyethylene Foam (PF). Shielding Layer 1: Bare Copper Shielding. Shielding Layer 2: Aluminum Mylar Shielding. Model: 6FT: FOSCBL-2449PD; 15FT: FOSCBL-2340; 25FT: FOSCBL-2341.

Upgrade your home theater experience with the Rocketfish 15 ft. In-Wall Male to Male RCA Cable with Shielding for Subwoofers and More and enjoy a high-level audio experience, reduced signal interference and a better overall performance. A step up from your basic RCA cable, it features digital coaxial technology, high-quality copper, 100% shielding, and corrosion resistant gold-plated connectors. The durable 22 AWG cable is also UL CL2 in-wall rated so you can feel good about your new setup.

Upgrade your home theater to transmit high-quality, clear digital sound. With the Best Buy essentials 6' Coaxial A/V Cable, connect your TV and other devices with digital coaxial audio jacks for optimal sound. Also functioning as a composite video cable, the RCA connectors make this cable multi-purpose. Backed by Best Buy, our copper braided shield improves video and audio quality, while durable nickel-plated brass connectors and flexible PVC prevent corrosion. And with a 6 ft. length, you can connect your devices how you want them, knowing you have flexible placement options and the reach you need. Transmit clear digital sound with a cable designed to deliver and improve your entertainment.
| Pros for Best Buy essentials™ - 15’ RCA Cable for Subwoofers - Black | |||
|---|---|---|---|
| Cable Length, Ease of use, Compatibility, Quality | There were no pros for this product— | Cable Length, Compatibility, Build Quality, Shielding, Connectivity | Ease of use, Compatibility, Sound Quality, Length, Price |
| Cons for Best Buy essentials™ - 15’ RCA Cable for Subwoofers - Black | |||
| Shielding, Signal Loss | There were no cons for this product— | There were no cons for this product— | Wire |