QED Performance J2J 3.5 mm audio cable with OFC conductors, high-quality shielding and gold-plated plugs. Available in 1.5 m and 3 m. Read more.
The QED Performance J2J is designed for high-quality analogue audio connections between devices equipped with 3.5 mm stereo sockets. Individually screened 99.999% oxygen-free copper conductors carry the left and right channels, helping to minimise interference and crosstalk while preserving stereo separation.
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| Cable type | Stereo analogue audio cable |
| Connector A | 3.5 mm stereo jack |
| Connector B | 3.5 mm stereo jack |
| Conductor material | 99.999% oxygen-free copper (OFC) |
| Conductor construction | 2 × 1 × 19/0.09 mm – 27 AWG |
| Screening | Tinned OFC braid |
| Dielectric | Low Density Polyethylene (LDPE) |
| Loop resistance | 0.122 Ω/m |
| Parallel capacitance | 120 pF/m |
| Loop inductance | 0.31 μH/m |
| Characteristic impedance | 50 Ω |
| Outer diameter | 6 mm |
| Jacket | Cool Grey TPE |
| Available lengths | 1.5 m and 3 m |
The QED Performance J2J is ideal for any analogue stereo audio connection where both devices feature a 3.5 mm socket. Typical applications include connecting smartphones, tablets, portable music players, computers or DACs to amplifiers, powered speakers and AUX inputs. The stepped plug profile also helps provide compatibility with many portable devices fitted with protective cases.
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