Hi, do you make impedance adapters? Looking for one with below spec:

style: 3.5mm female to 3.5mm male
termination: 3.5mm male L-plug if possible due to usage on mobile device
impedance: 20 ohm
cable length: as short as reasonably possible
purpose: to eliminate hissing from output device due to earphone too sensitive

Bscially I'm looking for this: https://www.lazada.com.my/products/faaeal-c...8dxK1O&search=1
but with 20 ohm. Since it's DIY I don't expect integral plug like the item linked.