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The Viablue SC-4 are 15 cm jumpers designed to replace the factory metal bridges found on the bi-wire terminals of speakers. Each bridge combines two 4 mm² conductors, respectively intended for the treble and bass sections, in order to provide a lossless connection between the high-pass and low-pass terminals.

Each SC-4 cable is based on 448 fine strands assembled into 2 × 7 twisted bundles, then combined into two independent 4 mm² conductors. The conductor dedicated to high frequencies uses silver-plated OFC copper strands, promoting a precise treble reproduction and a better perception of acoustic depth, while the second, made of tinned OFC copper, preserves the energy and dynamics of the bass. During the manufacturing of the jumpers, the outer jacket is removed in order to split the four conductors into two bridges, each retaining two separate strands for the high-pass and low-pass connections.
The SC-4 are equipped with Viablue T8 connectors combining banana plugs and spades, with a full metal body in satin black aluminum. Their genuine 24-carat gold plating improves resistance to oxidation, while the design of the contacts provides a connection pressure suited to speaker terminals.

Technical characteristics
| Specifications | |
|---|---|
| Product type | Jumper |
| Length | 15cm |
| Connectors | T8 spades T8 banana plugs |
| Section | 2x4mm² |
| Conductor material | Silver-plated OFC copper Tinned OFC copper |
| Connectors plating | 24k gold |
| Outer diameter | Ø8mm |
| General | |
|---|---|
| Color | Black Red |
| Package | Sold in packs of 4 |
| Length (m) | 0.15 |
| Shielding | No |
| Section (mm²) | 4.00 |
| Connector | Banana / Spade |
| Conductors material (Cable) | Copper |
| Conductors Plating (Cable) | Silver |
| Conductors Plating (Cable) | Tin |