The upgrade cable is made of 8 strands of 6NOCC braiding, which has strong corrosion resistance and anti-interference ability. The highly elastic transparent PVC protective layer makes it tougher. The transmission rate is stable, the middle and low frequencies are more prominent, and the overall sound quality is full. Upgrade your hearing experience on hi-resolution, audiophile or HiFi headset. Compatible with Sennheiser HD600 HD650 HD660S2 HD6XX HD660S HD580 HD565 HD545 HD535 HD265 HD58X headphones cable. The red one connects to the left side of the headset, and the black one connects to the right side of the headset. The +- symbols marked on the pins are all facing outwards for faster connection. If you have any problems within one year, please contact us Package includes: 1 x headphones upgrade cable, 1 x PU Storage Bag.

Specifications
Conductors:24AWG (x8)
Conductor Materials: Cryogenic annealing single-crystal copper
Cable Structure:
- 0.08mm x 7 strands x 8 strands (OCC)
Inner Insulation: Dual-layer Litz, inner layer insulated
Outer Insulation: High-transparency SoftFlex PVC
Plug: Gold-plated 4.4mm/2-pin connector
Length: 250cm
Weight: 52g

Compatibility:
- Compatible with Sennheiser HD 600, HD600, 508824 cable
- Compatible with Sennheiser HD 650, HD650, 508825 cable
- Compatible with Sennheiser HD 660S2, HD660S2, 700240 cable
- Compatible with Sennheiser HD 660S, HD660S, 508826 cable
- Compatible with Sennheiser HD 6XX, HD6XX cable
- Compatible with Sennheiser HD 580, HD580 cable
- Compatible with Sennheiser HD 565, HD565 cable
- Compatible with Sennheiser HD 545, HD545 cable
- Compatible with Sennheiser HD 535, HD535 cable
- Compatible with Sennheiser HD 265, HD265 cable
- Compatible with Sennheiser HD 58X, HD58X cable

Note:
- Upgrade headphones audio cord only, device is not included.

Package Includes:
- Audio cable x 1. Made by Geekria.
- PU Storage Bag x 1. Made by Geekria.