Roland RIC-B1AA Black Jack to 1/4" Phone - 1/4" Phone 0.30m. Roland's Black Series instrument cables deliver professional performance at an exceptional value. The multi-strand oxygen-free copper core captures the authentic sound of your instrument, while the high-density braided shielding eliminates unwanted noise. These durable cables feature high-quality connectors and a low-capacitance design, delivering a pure, natural, and accurate sound in all situations.