Simplecom DA330 USB-C to Dual HDMI MST Adapter 4K@60Hz with PD and Audio Out | DA330

DA330 is a USB-C multiport MST (Multi Stream Transport) adapter offers dual HDMI outputs, USB-C Power Delivery, and 3.5mm audio output. It allows you to connect 2 screens simultaneously and supports both extend and mirror modes for Windows system.

DA330 supports display resolutions up to 4K@60Hz when single display is connected, and up to 4K@30Hz when two displays are connected. It also supports Power Delivery up to 100W charging via the USB-C port and one 3.5mm headphone jack for audio output.

Don’t be restricted to the small screen on laptop, this adapter can significantly increase productivity by adding two screens to your laptop and ideal for multi-tasking. It’s a great solution for work or home office to display independent content on extra screens, and makes multi-tasking easier.

Features

Support MST (Multi Stream Transport) for mirror or extended screen mode
Connect 2 HDMI displays to your computer through a single USB-C port
Support 2 mirrored screens or 2 extended screens
Significantly increase productivity by adding multiple screens
Support resolutions up to 4K@60Hz when single display is connected
Support resolutions up to 4K@30Hz when two displays are connected
Power Delivery supports up to 100W charging via the USB-C port
3.5mm headphone jack for audio output
Plug and Play, no driver or software required
Aluminum casing, durable and better heat dissipation
MST supports Windows only, MacOS supports one extended screen only
Specifications

Material: Aluminum
Connection Ports: 2xHDMI, 3.5mm Audio, USB-C, USB-C PD
HDMI Resolution (1 Display): Support up to 3840×2160 at 60Hz (4K@60Hz)
HDMI Resolution (2 Displays): Support up to 3840×2160 at 30Hz (4K@30Hz)
PD Charging: 1x USB-C Female (for charging only), up to 100W
Operation Temperature: 0 – 50°C
Cable Length: 10cm approx.
Dimension: 6.2cm x 5.2cm x 1.5cm
System Requirements

Available USB-C port with DP Alt Mode (DisplayPort Alternate Mode) support
Windows 8 or above is r

Product Last Updated: 08/11/2026

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