ST2 PRO: USB-C DAC HiFi Earphones with Advanced DSP Tech
The ST2 PRO is changing the game for music lovers and audiophiles alike. This USB-C DAC HiFi earphone combines cutting-edge DSP technology with high-performance audio components to deliver exceptional sound quality. The ST2 PRO offers a powerful output of up to 70mW+70mW@32Ω, enough to drive most headphones and in-ear monitors effectively.
Compatible with any 0.78mm 2-Pin/MMCX IEMs, the ST2 PRO integrates a high-end DAC with DSP capabilities in a professional-grade cable. This innovative design allows users to experience HiFi audio directly from their USB-C devices, eliminating the need for separate bulky audio equipment.
The ST2 PRO supports high-resolution audio formats including 32-bit/384KHz PCM, DSD128, and MQA. With its next-gen DSP HiFi evolution, these earphones aim to redefine the listening experience for those seeking premium audio quality in a compact, versatile package.
Revolutionizing the Audio Experience
The ST2 PRO brings major upgrades to portable audio. It combines cutting-edge tech with smart design for top-notch sound.
Advancements in DSP Technology
The ST2 PRO uses a next-gen digital signal processor (DSP). This chip enables better sound processing than standard earphones. It works with an ES9281AC PRO DAC to handle high-res audio.
The earphones support many audio formats. These include 32-bit/384kHz PCM, DSD128, and MQA. This wide range lets users enjoy different types of high-quality music files.
DSP tech in the ST2 PRO improves sound in real-time. It fine-tunes audio for clearer highs and deeper bass. The result is a more detailed and balanced listening experience.
Design and Build
The ST2 PRO sports a sleek, lightweight design. Its body is made of durable aluminum alloy. This choice of material helps with both looks and sound quality.
The earphones use a USB-C connector instead of a standard headphone jack. This allows for direct digital audio transfer from devices. It also enables the built-in DAC and DSP features.
Comfort is key in the ST2 PRO's design. The earpieces are shaped to fit snugly in the ear canal. They come with multiple ear tip sizes for a personalized fit.
Sound Quality and Performance
The ST2 PRO aims for top-tier audio performance. It uses a high-performance dual magnetic circuit dynamic driver. This driver is paired with a PU+PEEK composite diaphragm for clear sound.
HIDIZS tuned these earphones in their acoustic lab. They aimed for a natural, balanced sound signature. The result is wide soundstage with clear imaging.
Bass is punchy but controlled. Midrange is clear and detailed. Treble is crisp without being harsh. The earphones also deliver solid sub-bass for added depth.
The ST2 PRO covers a wide frequency range. This lets it reproduce hi-res audio accurately. Its sound follows the H-2019 curve, aiming for a pleasing, fatigue-free listen.
Connectivity and Compatibility
The ST2 PRO offers versatile connectivity options and broad device compatibility. It integrates seamlessly with various audio sources and devices, providing users with a flexible and high-quality listening experience.
Interface and Integration
The ST2 PRO features a USB-C interface for easy connection to compatible devices. This modern connector ensures a stable and reliable audio transmission. The earphones use a 0.78mm 2-pin connection, allowing users to swap cables if needed.
The device functions as a dongle DAC, combining a digital-to-analog converter and amplifier in one compact unit. It houses the ESS ES9281AC PRO DAC chip, known for its high-performance audio processing capabilities.
The ST2 PRO supports various audio formats, including native DSD and high-resolution PCM. This versatility enables users to enjoy a wide range of audio files at their intended quality.
Device Compatibility
The ST2 PRO works with a variety of devices, making it a versatile choice for audio enthusiasts. It is compatible with:
Android smartphones and tablets
iPhones (including the iPhone 15) with a USB-C port
Laptops and desktop computers
Portable music players
This wide compatibility allows users to enjoy high-quality audio across multiple devices. The ST2 PRO can function as both a portable and desktop DAC, offering flexibility in different listening scenarios.
Additional Features
The ST2 PRO includes several features that enhance its usability and performance:
In-line controls for easy volume adjustment and playback control
HD microphone for clear voice calls
Sample rate indicator to display the current audio quality
Zero-latency transmission for synchronized audio and video
The earphones come with a high-purity oxygen-free copper cable, ensuring optimal signal transmission. Multiple ear tips are included for a comfortable fit.
Build quality is robust, with attention to detail in both the earphones and the cable. The package includes a customized pouch for convenient storage and transport.
