Dynavox premium speaker cable 4 x 2.5mm for the highest resolution. Inner conductor OFC (99.99% copper), twin construction with 2 wires per pole +/-. Conductor construction 50 x 0.25 mm each, cable diameter approx. 12 mm, wire cross-section 2.5 mm, black/red nylon outer braid to protect against mechanical stress. Low-loss PE insulation with additional PE support element. High-quality banana plugs for a firm hold and the best transmission. Lenght: 3 meters