StarTech.com ST122HD20S

2-port 4K 60Hz HDMI splitter with scaler and audio extraction

A 1×2 HDMI 2.0b splitter with 18Gbps bandwidth, 4K 60Hz, built-in scaling and separate 3.5mm and Toslink audio outputs.

4K 60HzBuilt-in scaler3.5mm + Toslink2-year warranty

StarTech ST122HD20S 4K HDMI splitter with scaler and audio extractor

Key capabilities

Built-in scaling

Can output to two displays at different supported resolutions simultaneously.

4K 60Hz HDMI 2.0b

Supports up to 3840×2160 at 60Hz with 18Gbps bandwidth.

Audio extraction

Provides 3.5mm analogue and Toslink optical audio outputs in addition to HDMI audio.

7.1 surround sound

The exact technical table lists 7.1 surround audio support.

What to know before buying

The splitter mirrors the same source content to both displays. Scaling changes output resolution but does not create independent desktop content.

Australian version and manufacturer warranty

This item is the Australian version supplied by DeviceDeal and is covered by the official StarTech.com 2-year manufacturer warranty in Australia.

Please retain your DeviceDeal tax invoice as proof of purchase. Warranty coverage and claims are subject to StarTech.com warranty terms, eligibility requirements and product assessment.

Frequently asked questions

What is the maximum resolution?

Up to 3840×2160 4K at 60Hz.

Can the displays use different resolutions?

Yes, the built-in scaler can output different supported resolutions simultaneously.

What audio outputs are available?

HDMI, 3.5mm analogue and Toslink optical.

What HDMI bandwidth is supported?

18Gbps.

Does it support 7.1 surround sound?

Yes.

What HDMI version is listed?

HDMI 2.0b.

Does scaling create independent desktops?

No. The same source is mirrored; scaling only changes output resolution.

What warranty applies in Australia?

The Australian version supplied by DeviceDeal is covered by the official StarTech.com 2-year manufacturer warranty in Australia, subject to StarTech.com terms and product assessment.

(ST122HD20S)

Features and highlights

Built-in scaling

Can output to two displays at different supported resolutions simultaneously.

4K 60Hz HDMI 2.0b

Supports up to 3840×2160 at 60Hz with 18Gbps bandwidth.

Audio extraction

Provides 3.5mm analogue and Toslink optical audio outputs in addition to HDMI audio.

7.1 surround sound

The exact technical table lists 7.1 surround audio support.

4K 60Hz
Built-in scaler
3.5mm + Toslink
2-year warranty

Warranty confidence: Official StarTech.com 2-year manufacturer warranty in Australia, subject to StarTech.com terms and assessment.

Specifications

Verified specifications for StarTech ST122HD20S.

Warranty Information

Warranty	2 Years

Connector(s)

2 - Connector B	HDMI (19 pin)
1 - Connector B	Toslink (SPDIF, Optical)
1 - Connector B	3.5 mm Mini-Jack (3 Position)

Environmental

Storage Temperature	-20°C - 60°C (-4°F - 140°F)
Humidity	20-90% RH

Hardware

Ports	2
AV Output	HDMI - 2.0
Audio	Yes
Industry Standards	HDMI 2.0b

Indicators

Additional	Input LED
2 - LED Indicators	Output LEDs

Packaging Information

Package Length	8.0 in [20.2 cm]
Shipping (Package) Weight	13.8 oz [392.0 g]
Package Width	4.5 in [11.4 cm]

Performance

Maximum Data Transfer Rate	18 Gbps
Maximum Cable Length	16.4 ft [5 m]
Maximum Digital Resolutions	3840x2160 (4K) @ 60Hz 3840x2160 (4K) @ 30Hz 1920x1080 (1080p) 1280x720 (720p)
Wide Screen Supported	Yes
Audio Specifications	7.1 surround sound

Physical Characteristics

Product Height	0.4 in [11.0 mm]
Product Length	4.7 in [12.0 cm]
Weight of Product	6.0 oz [170.0 g]
Product Width	2.5 in [63.0 mm]
Material	Steel

Power

Input Voltage	100 - 240 AC
Output Voltage	5V DC
Output Current	1A
Power Consumption (In Watts)	5W

What's in the Box

Additional	Universal Power Adapter (NA, EU, UK, ANZ)
Additional	Instruction Manual

SKU	ST122HD20S
Barcode #	65030883573
Brand	STARTECH
Shipping Weight	0.3900kg
Shipping Width	0.006m
Shipping Height	0.021m
Shipping Length	0.011m