Cable Matters 2-Pack Shielded Subwoofer Cable
Bottom line: The Cable Matters 2-Pack Shielded Subwoofer Cable: Two 15ft cables per pack for dual-sub or spare use; main trade-off: each cable carries one signal, not stereo L/R pair.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Two 15ft cables per pack for dual-sub or spare use
- ✓ Braided jacket resists fraying and abrasion
- ✓ Internal shielding cuts EMI and RFI pickup
- ✓ Doubles as S/PDIF digital coaxial or LFE sub cable
Cons
- ✗ Each cable carries one signal, not stereo L/R pair
- ✗ 15ft only; no shorter run for tight racks
- ✗ No published gauge, impedance, or connector plating specs
- ✗ Needs a receiver with an LFE or coax digital out
SpecPicks Verdict
SpecPicks scored Cable Matters 2-Pack Shielded Subwoofer Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the audio & midi category. Cable Matters's audio & midi lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Versatile RCA Audio Cable: This shielded RCA cord connects compatible RCA-equipped devices for LFE subwoofer or S/PDIF digital audio applications. Use the digital coaxial cable with supported home theater systems, televisions, amplifiers, A/V receivers, soundbars, DACs, and subwoofers
- LFE Subwoofer Connection: Use the RCA subwoofer cable to connect an A/V receiver or amplifier with an LFE or subwoofer output to a powered subwoofer with a compatible line-level RCA input. The subwoofer cord carries a single low-frequency audio signal between compatible devices
- Digital Coaxial Audio: The coaxial digital audio cable carries S/PDIF audio between compatible digital coaxial output and input ports. Supported audio formats transmitted through the S/PDIF cable depend on the connected source, receiving equipment, and selected settings
- Shielded Braided Design: Internal shielding helps reduce electromagnetic and radio-frequency interference, while the braided RCA cable jacket helps protect against fraying and everyday abrasion. Durable connectors support reliable connections for digital audio and subwoofer applications
- Convenient 2-Pack: Use the two coax audio cables for separate digital audio installations, compatible dual-subwoofer setups, or to keep a matching spare available. Each RCA cable carries one audio signal and does not combine separate left and right analog channels
Full Specifications
| Brand | Cable Matters |
|---|---|
| Color | Black |
| Model | 500066-15X2 |
| Cable Type | Coaxial, Composite |
| Item Shape | Round |
| Unit Count | 30 Feet |
| Part Number | 500066-15X2 |
| Connector Type | RCA |
| Number of Pins | 2 |
| Outer Material | Braided Nylon or Braided Kevlar |
| Number of Items | 2 |
| Special Feature | Braided |
| Connector Gender | Male-to-Male |
| Specification Met | UL |
| Compatible Devices | Speaker |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Other Special Features of the Product | Braided |
| Full listing title | Cable Matters 2-Pack Shielded Subwoofer Cable, RCA Cable, 15ft / 4.6m | Braided, Digital Coaxial RCA Cord for LFE Subwoofers, S/PDIF Digital Audio, Home Theater, and A/V Equipment |
Ready to buy?
Cable Matters 2-Pack Shielded Subwoofer Cable, RCA Cable, 15ft / 4.6m | Braided, Digital Coaxial RCA Cord for LFE Subwoofers, S/PDIF Digital Audio, Home Theater, and A/V Equipment is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Audio & MIDI
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
More reviews from the SpecPicks archive
Browse all reviews →- Is the RTX 3060 12GB Still Worth It for 1080p Gaming in 2026?
- What Hardware Runs a Gemini-Class Model Locally in 2026?
- Qwen 3.6 27B vs Llama 3.1 70B on Local Hardware: tok/s, VRAM, and Quality (2026)
- Best 27-inch 1440p Monitor for Ryzen 7 5800X Esports Builds (2026)
- Best Capture Setup for Console Streaming in 2026: Elgato Cam Link 4K + PS4 Pro
- Best Plug-and-Play Retro Console and Handheld to Buy in 2026: 5 Ranked Picks
- CompactFlash as a Hard Drive: The Win98 Retro Storage Guide
- ASUS ROG Zephyrus G1 OLED RTX 5070 Drops $575 This Week — Is It the Right Buy?
- Raspberry Pi 4 8GB in 2026: Still the Best Home-Lab SBC for Under $80
- GameNative Unlocks Up to 100 FPS PC Gaming on Android
- Best Starter Kit for Learning Robotics on Raspberry Pi (2026)
- Best Sim Racing Wheel Setup for Beginners in 2026
- Anthropic Extends Free Fable 5 as GPT-5.6 Sol Heats Pricing War
- Best CPU Cooler for Ryzen 7 5800X Overclocking in 2026
- Modern Sound Cards on Retro Rigs: The Sound BlasterX G6 for Win9x and DOS Audio
- Samsung's 256GB microSD Drops to $47.99 — and What It Means for Cheap Storage
- KOORUI 27" 4K vs Samsung Odyssey 27" 4K: Best 4K Monitor for Console & PC Gaming
- Mac Studio AI Model 2025: Performance vs AMD Alternatives
- Logitech G29 vs HORI Force Feedback Wheel for Sim-Racing Beginners
- Alienware Area-51 RTX 5090 Gets $2,580 Off — Worth It?
- Intel Panther Lake on Linux: First Core Ultra X7 Numbers Land
- Best Sim Racing Wheel Under $300 in 2026: Force Feedback That's Worth It
- Best Budget SATA SSD for Gaming in 2026
- Asus ROG Harpe II Extreme: A 24K-Gold, 65K-Sensor Gaming Mouse
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090