Monster Jazz Instrument Cable 12 ft. - Extra-flexible Duraflex outer jacket for superior reliability and cut resistance. IsoTec vibration isolation technology further reduces handling noise. 95% coverage copper-braided shield rejects RFI and EMI for a lower noise floor and increased resolution. Multi-Twist construction tightly winds negative and positive conductors together for superior noise rejection. MicroFiber inner dielectric isolates magnetic fields for accurate tonality across the entire audio bandwidth.