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HIDIZS Unveils ST2 Pro Hi-Fi Digital IEM Headphones and SD2 Portable USB Type-C Adaptor DAC: CES 2024

ST2 PRO Digital IEMs feature USB-C connector for iPhone 15, PC, Portable Gaming Devices. SD2 Flagship ESS ES9281C DAC offers Support for 32-Bit/384kHz PCM, DSD128, and MQA.

Hidizs ST2 Pro

CES 2024 is underway and we’re already noticing a trend; high-end audio headphone and IEM solutions are going to be a huge focus at the show and it is all being driven by consumer demand for better quality personal audio products.

We think the market has already reached a saturation point where it is impossible to keep up with all of the new headphones, IEMs, DAPs, Dongle DACs and and TWS earbuds being released, but manufacturers are pushing even harder into the Head-Fi space hoping to capture some of the pie; which is admittedly rather small once you strip away Apple, Bose, Sony, JBL, Philips, Beats, and Sennheiser headphones and earbuds.

Apple’s transition from the lightning to USB Type-C connector on the iPhone has created a new opportunity for manufacturers who wish to offer forward thinking options for consumers. It’s going to be a huge market for brands if they can convince iPhone users that there is a better alternative to Apple’s AirPods.

Hidizs ST2 Pro
Hidizs ST2 Pro

HIDIZS have introduced the new ST2 PRO Digital IEMs represent an innovative new way for consumers to listen to their audio from today’s digital devices, including: smartphones, portable gaming devices, Digital Audio Players (DAPs) and more. 

Rather than featuring a traditional mini-jack plug, the ST2 PRO is equipped with a USB Type-C connector. ​

The IEMs feature a built-in flagship ESS ES9281C PRO DAC and offer support for audio files up to and including 32-Bit/384kHz (PCM), DSD128, and MQA.

Users can easily plug the ST2 PRO Digital IEMs into their Mac, PC or smartphone — including the latest iPhone 15, 15 Pro, and 15 Pro Max — to enjoy their favourite albums, podcasts, and more. ​

The digital wired connection ensures zero latency, making the ST2 PRO ideal for playing games, or watching video.

HIDIZS’ audio engineers have worked hard to ensure that the ST2 PRO deliver a musical, engaging sound thanks to their 10mm Magnetic Circuit Dynamic Drivers, frequency response of 20Hz — 40kHz, and 6N High-purity Oxygen-free Copper Cable.

Hidizs ST2 Pro

ST2 PRO Specifications:

TypeDigital In-Ear Monitors (IEMs)
Drivers10mm Magnetic Circuit Dynamic Driver
DACFlagship ESS ES9281C PRO
Audio SupportUp to 32-Bit/384kHz (PCM)Up to DSD128
MQA SupportYes
Frequency Response20Hz — 40kHz 
Output Power70mW+70mW@32Ω
THD+N0.0012%
SNR118dB
Crosstalk63dB
Sample-rate Indicator LightYes
ConnectorUSB Type-C
Support for In-line Control / HD MicYes
IEM ConstructionTransparent Resin and Aluminum Alloy
Cable Construction6N High-purity Oxygen-free Copper Transmission Cable, using 4 Strands of Mixed Wire with a total of 260 Cores.
Cable Length1.2M
Detachable CableYes (0.78mm Standard 2-Pin Connection)
Weight11g (Without Cable)
Hi-Res Audio CertificationYes
Hidizs SD2
Hidizs SD2

SD2 USB Type-C to 3.5mm Adaptor Dongle DAC

Also announced at CES 2024, is the new HIDIZS SD2 USB Type-C to 3.5mm Adapter Dongle DAC. Continuing the company’s record of delivering innovative, high-quality audio products at an affordable price. 

Available in three colours – Black, Grey, and Silver – and weighing in at just 6g, the diminutive SD2 features a USB Type-C connector on one side, and a 3.5mm headphone output on the other.

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Simply plug the SD2 into your Mac, PC or smartphone — including the iPhone 15, 15 Pro, and 15 Pro Max — and your headphones into the SD2, to instantly improve the quality of your listening. 

Featuring an ESS ES9270 DAC, support for audio files up to 32-Bit/384kHz (PCM) & ​ DSD128, and a frequency response of 20Hz — 40kHz, the HIDIZS SD2 USB Type-C Adaptor Dongle DAC punches above its weight to improve the audio from your favourite devices.

Hidizs SD2

SD2 Specifications:

Product TypeUSB Type-C to 3.5mm Adapter Dongle DAC
DACESS ES9270
Audio SupportUp to 32-Bit/384kHz (PCM)Up to DSD128
Frequency Response20Hz — 40kHz
Output Power70mW+70mW@32Ω
THD+N0.0015%
SNR118dB
Crosstalk64dB
Hi-Res Audio CertifiedYes
InputUSB Type-C
Output3.5mm Single-ended
Supports iPhone 15 USB Type-C PortYes
Support for In-line Control / HD MicYes
Sample-rate Indicator LightYes
Available ColoursBlack, Grey, Silver
Dimensions34.5x20x10mm
Weight6g

The HIDIZS SD2 will be available from February. For more information, visit hidizs.net

Continue reading more stories from CES 2024.

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