Counterpart of the K3YWCC adapter cable, this time from 3.5 millimetre mini TRS plug to 2x 6.3 millimetre TRS plug. For connecting external signal sources, for example, MP3 players or PC sound cards.
| Product type | Pre-assembled Cables |
| Type | Audio cable |
| Length | 3 m |
| Color | Black |
| Cable diameter | 5.8 mm |
| Cross section | 0.22 mm² |
| Connector 1-A | 6.3 mm jack |
| Gender of connector 1-A | male |
| Poles of connector 1-A | 2 |
| Contacts of connector 1-A | Nickel-silver |
| Manufacturer of connector 1-A | Adam Hall |
| Model number connector 1-A | Custom-made |
| Connector 1-B | 6.3 mm jack |
| Gender of connector 1-B | male |
| Poles of connector 1-B | 2 |
| Contacts of connector 1-B | Nickel-silver |
| Manufacturer of connector 1-B | Adam Hall |
| Model number connector 1-B | Custom-made |
| Connector 2 | 3.5 mm jack |
| Gender of connector 2 | male |
| Poles of connector 2 | 3 |
| Contacts of connector 2 | Nickel-silver |
| Manufacturer of connector 2 | Adam Hall |
| Model number connector 2 | Custom-made |
