Hercules DJControl Inpulse 300 MK2 Benutzerhandbuch Seite 62

2. The sound on my headphones is
distorted.
Make sure that your headphones feature a TRS
connector (standard headphones) and not a TRRS
connector (headphones + microphone).
Sleeve
TRRS connectors are not compatible with the DJControl
Inpulse 300 MK2 controller.
Tip
Ring
61
Tip
Ring
Ring
Sleeve