It accepts cables from 2.0 to 4.5 mm.
Neutrik NTP3RC-B Right Angled 3.5 mm Metal Stereo Jack Plug
Neutrik NTP3RC-B 3.5mm Right Angle Stereo Jack mini Plug Black Gold Contacts
Neutrik NP2RX 1/4" 6.35mm Right-Angled Mono Jack Plug Audio Cable Connector
Neutrik 6.35mm Stereo Locking Jack Socket to 6.35 mm Stereo Locking Jack NA3JJ
NEUTRIK - 6.35mm Jack Plug, Stereo, 90 Degree
Neutrik 6.35mm Mono Jumbo Jack Plug for Cable up to 10mm NP2XL
