AudioQuest
AudioQuest Big Sur Stereo Interconnect Cable
Best audio upgrade for discerning listeners seeking superior sound clarity.
The AudioQuest Big Sur is a stereo interconnect cable designed for transparent sound. It features solid Perfect-Surface Copper+ (PSC+) conductors and foamed polyethylene insulation to minimize distortion. The cable employs a double-balanced asymmetrical geometry and a metal-layer Noise-Dissipation System (NDS) to shield against RF interference and ensure cleaner signal transfer. Its cold-welded, gold-plated "Purple Copper" RCA plugs offer a solder-less connection for reduced distortion. The cable is directional, with arrows indicating the preferred signal path, and features a black and brown braided jacket.
$219.95
Owner Satisfaction
4.3
/ 5
Category Rank
4998
/ 5849
#4998 in Audio & Video Cables
Price vs Category Average
-59%
Below average
Length
1
/ meter
Who it's for
- Audiophiles seeking a significant upgrade in their system's sound reproduction.
- Consumers prioritizing durable, high-quality components for their audio setup.
- Listeners in electrically noisy environments desiring pristine sound.
Who should skip it
- Budget-conscious consumers or those new to high-fidelity audio.
- Skeptics who question the tangible benefits of expensive audio interconnects.
- Users with constrained spaces or specific cable management requirements.
Key Specs
Length
1 meter
Conductors
Solid Perfect-Surface Copper+ (PSC+)
Insulation
Foamed-Polyethylene
Shielding
Metal-Layer Noise-Dissipation System (NDS)
Geometry
Double-Balanced Asymmetrical
Connectors
Cold-welded, Gold-plated Purple Copper RCA
Directional
Yes
Jacket
Braided
Features
- Solid Perfect-Surface Copper+ (PSC+) conductors for low distortion
- Metal-layer Noise Dissipation System (NDS) for RF shielding
- Double-balanced asymmetrical geometry for cleaner performance
- Cold-welded, gold-plated "Purple Copper" RCA plugs
- Directional signal path indicated by arrows
- Foamed-Polyethylene insulation for low energy absorption
- Braided jacket for durability
What customers say
Customers consistently highlight the significant enhancement in sound quality delivered by these interconnect cables. Many users report a noticeable improvement in audio clarity, detail, and the overall richness of their music, creating a more engaging listening experience. The robust build quality and premium materials are frequently praised, instilling confidence in the product's durability and long term performance. While representing a considered investment, the perceived sonic benefits often justify the cost for discerning audiophiles seeking to elevate their audio systems.
Know before you buy
Perfect-Surface Copper+ (PSC+) features an ultra-smooth surface that minimizes the graininess and distortion often found in standard copper cables. This results in a cleaner, more transparent sound profile.
The arrow indicates the preferred direction of the signal flow. Because the cable's shielding and geometry are optimized for a specific path, you should connect the end with the arrow toward your receiving component, such as an amplifier or powered speaker.
The NDS uses layers of metal to shield the internal conductors from radio-frequency interference. This prevents external noise from contaminating your audio signal, ensuring a quieter background and better clarity.
Cold-welding is a process that joins the cable to the plug without using solder. By avoiding solder, which can be a point of signal degradation, the connection remains more pure and less prone to distortion.
While the Big Sur features a durable braided jacket, it remains reasonably flexible for standard home audio setups. However, you should avoid bending it at sharp angles to maintain the integrity of the internal conductors.
This design separates the ground path from the signal path, which helps reduce noise and interference. It allows the cable to provide a cleaner, more stable performance compared to standard unbalanced designs.
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