Monster Bass - 21' Instrument Cable -  Straight to Straight &frac14;&rdquo; plugs Two thick bass conductors improve voltage and current transmission for maximum punch and an extended low end. MicroFiber inner dielectric provides better isolation of magnetic fields for improved harmonic detail. 95% coverage copper-braided shield rejects RFI and EMI for a lower noise floor and increased resolution. IsoTec vibration isolation technology further reduces handling noise. Extra-flexible Duraflex outer jacket for superior reliability and cut resistance. 24k hard gold-plated 1/4inch connectors with collet strain relief are durable and corrosion-resistant.