About your monitor | 9Bottom view32 4 51 1Bottom view without monitor stand (S2419H/S2719H)32 4 5Bottom view without monitor stand (S2419HN/S2419NX/S2719HN//S2719NX)Label Description Use1 Speakers Speakers2 Power-adapter port To connect the monitor power cable using a12V DC adapter.3 HDMI1 port Connect your computer with HDMI cable.4 HDMI2 port Connect your computer with HDMI cable.5 Audio Line out port Connect to external speakers (OptionalPurchase)**Headphone usage is not supported for the audio line out port.