Dynavox Premium speaker cable 4 x 2.5mm ² for highest resolution. Inner conductor OFC (99.99% copper), nylon outer braid black / red for protection against mechanical loads. Low loss PE insulation with additional PE support element. Thanks to the 4 conductors suitable for stereo (with 2 wires each for + and -) or also bi-amping or bi-wiring. By the meter on a roll to assemble yourself, incl. Shrink tubing set for clean assembly