AudioQuest Irish Red RCA Low-Frequency Subwoofer Cable

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AudioQuest Irish Red RCA Low-Frequency Subwoofer Cable

The AudioQuest Irish Red RCA Subwoofer Interconnect Cable is engineered for low-frequency signal delivery, designed to maintain clarity and power when connecting your amplifier or AV receiver to a subwoofer. It uses solid conductors, advanced insulation, and robust shielding to ensure bass signals arrive cleanly, without added noise or distortion.

Solid 0.5% Silver-Plated Long-Grain Copper Conductors

Irish Red features solid long-grain copper (LGC) conductors plated with 0.5% silver. This solid configuration helps to eliminate distortion arising from strand interactions or micro-movements inside stranded cables. The silver plating enhances surface conduction and helps preserve high-frequency components in the signal.

Foamed-Polyethylene Insulation to Minimize Dielectric Effects

To reduce signal smearing and dielectric absorption, the cable uses foamed-polyethylene insulation. This insulation incorporates air pockets to lower stored energy and help maintain signal fidelity—especially important with bass signals, which can be susceptible to distortion from dielectric behavior.

Cold-Welded Gold RCA Terminations & Grounding Option

The RCA connectors are cold-welded and gold-plated, offering low contact resistance without the drawbacks of solder joints. Additionally, the cable includes a built-in ground (spade lug) wire at both ends for hum mitigation—useful in installations where ground loops might introduce noise.

Key Features
  • Solid long-grain copper conductors with 0.5% silver plating
  • Foamed-polyethylene insulation to minimize dielectric absorption
  • Metal-layer Noise-Dissipation System (NDS) shielding
  • Symmetrical coax geometry (identical + and – conductors)
  • Cold-welded, gold-plated RCA terminations
  • Built-in ground wire (spade lugs) for hum control
  • Available in multiple lengths, including long runs and in-wall rated versions
  • Designed specifically for subwoofer (low-frequency) signal runs