Supra Rondo 4x4.0 – Versatile High-End Speaker Cable

Supra Rondo 4x4.0 is a high-quality, tin-plated speaker cable manufactured in Ljungskile, Sweden. Featuring four conductors spun in a unique "Star Quad" configuration, it delivers a dynamic and transparent sound with extremely low inductance. It is ideal for bi-wiring, bi-amping, or as a powerful single-wire solution for demanding Hi-Fi systems.

Star Quad Design

Conductors are twisted with a short pitch to cancel out interference and lower inductance to a minimal level.

Tin-Plated OFC

Protects against corrosion, reduces skin effect, and minimizes current jumping between strands for cleaner sound.

Bi-Wire & Bi-Amp

Four separate 4.0 mm² conductors provide maximum flexibility for advanced speaker connections.

Made in Sweden

Engineered and manufactured in our own factory in Ljungskile with the highest quality control.

Star Quad – The Secret Behind the Silence

Supra Rondo is built on a construction where the four conductors are spun with a very short pitch. This is a more advanced and costly manufacturing method than standard twisting, but the result is superior. Through "Star Quad" wiring (where opposing conductors are joined for single-wire use), magnetic fields are canceled out extremely effectively. This results in a cable with low inductance and high immunity to external interference, leading to a quieter background and faster musical transients.

Why Tin Plating?

Supra uses tin-plated OFC copper in its premium cables. Tin has higher resistance than copper, forcing the signal to stay inside the pure copper core instead of jumping between strands on the surface (which otherwise creates timing errors and distortion). Additionally, the tin acts as an effective shield against oxidation, ensuring your cable performs as well in ten years as it does today.

  • Highly Flexible: Despite its heavy gauge, the cable is very supple and resistant to bending fatigue thanks to the spun construction.
  • Versatile: Perfect for both home Hi-Fi and professional stage use due to its robustness.
  • Sound Character: A musical and dynamic reproduction with a clear 3D feel and reduced listening fatigue.

Applications

With 4 x 4.0 mm², Rondo 4x4 is a powerhouse. It handles long cable runs without power loss. Use it to bi-wire your floorstanding speakers, drive them with dual power amps (bi-amp), or pair the conductors for a massive 2 x 8.0 mm² "super cable" that lets your amplifier breathe freely.

Specifications

ModelSupra Rondo 4x4.0
TypeSpeaker Cable (Round, twisted)
Area4 x 4.0 mm² / AWG 11
Number of Conductors4
Strands per Conductor511
Strand Diameter0.10 mm
MaterialTin-Plated Oxygen-Free 5N Copper (OFC)
Insulation/JacketHeat and age-resistant PVC (GA78)
External DiameterØ 11.0 mm (Nom. 10.6 mm)
Weight230 g/m
Resistance4.3 Ohm/km
Inductance0.40 µH/m (0.35 µH/m in Star Quad)
ColorIce Blue
Halogen-Free / Flame RetardantNo

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We are fully aware that a speaker reflects the character of the environment that it is in. As such, we offer a refund within 30 days if you are not satisfied with your purchase (see terms below).

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