ONIX Zenith XST20

Overview

The ONIX Zenith XST20 is a high-end top-loading SACD and CD transport from the Zenith line, built to extract the digital signal from your discs and pass it cleanly to an external DAC. It reads CD, single-layer SACD, multi-layer SACD, and MQA-CD, and delivers true DSD output over I2S along with FPGA-assisted I2S offering ten pinout modes for flexible pairing. Because it is a transport with digital output only and no built in DAC, it produces no sound on its own and is designed to be the source in a separates system.

Design centers on a classic top-loading mechanism with a traditional disc clamp and fully gapless playback, which appeals to listeners who prefer a hands-on, ritual-driven experience with physical media. A 3.4-inch touch screen handles control and information, while a 25VA Talema transformer feeds the internal circuitry. Digital outputs include Optical, Coaxial, AES, and BNC carrying CD at 44.1 kHz and SACD DSD64 via DoP or D2P, with the I2S output supporting CD 44.1 kHz and native DSD64 SACD.

This transport is for the enthusiast who has invested in an outboard DAC and wants a dedicated, well-engineered disc source that can pass DSD in its native form. Finished in Black or Titanium and weighing 5.2 kg, it slots neatly into a high-resolution two-channel system where the DAC does the conversion work.

Key Features

• Top-loading transport with classic disc clamp and fully gapless playback
• Reads CD, single-layer SACD, multi-layer SACD, and MQA-CD
• True DSD output over I2S with native DSD64 SACD support
• FPGA-assisted I2S with ten selectable pinout modes for wide DAC compatibility
• Optical, Coaxial, AES, and BNC outputs carrying CD 44.1 kHz and SACD DSD64 via DoP or D2P
• USB output for CD 44.1 kHz playback
• 3.4-inch touch screen for control and display
• 25VA Talema transformer power supply
• Available in Black or Titanium finishes

How the XST20 Compares

ONIX Zenith XST20 vs Shanling Onix Zenith XST20

This is the closely related Shanling-branded listing of the same Zenith XST20 platform, sharing the top-loading SACD and CD transport concept with I2S output. If you are cross-shopping listings, both center on native DSD passthrough to an external DAC. Choose based on availability and the exact configuration you prefer. See the Shanling Onix Zenith XST20.

ONIX Zenith XST20 vs TEAC VRDS-701T

The TEAC VRDS-701T is a front-loading CD transport built around the brand's VRDS mechanism, focused on rigid disc control for Red Book CD. The ONIX Zenith XST20 differs by adding SACD support and native DSD over I2S with ten pinout modes. Pick the TEAC for a CD-centric, mechanism-focused approach, or the XST20 when SACD and DSD passthrough matter to you. See the TEAC VRDS-701T.

ONIX Zenith XST20 vs Audiolab 9000CDT

The Audiolab 9000CDT is a streamlined CD transport aimed at clean Red Book playback into an outboard DAC. The ONIX Zenith XST20 takes a top-loading, SACD-capable direction with I2S DSD output. Consider the Audiolab for a straightforward CD source, or the XST20 for hybrid discs and native DSD transfer. See the Audiolab 9000CDT.

ONIX Zenith XST20 vs TEAC NT-507T

The TEAC NT-507T is a network transport designed to feed a DAC from streaming and file sources rather than discs. The ONIX Zenith XST20 is purpose-built for physical media including SACD. Choose the NT-507T for a file and streaming lifestyle, or the XST20 when your library lives on discs. See the TEAC NT-507T.

Recommended DAC and System

The XST20 is a transport with digital output only and no internal DAC, so it makes no sound on its own. Start with a DAC, then add amplification and speakers to complete the system.

• ONIX Zenith XDA20 This is the matched in-house DAC designed to pair with the XST20 over I2S for native DSD, making it the most direct and coherent partner to unlock the transport's DSD output.
• Luxman DA-07X A refined standalone DAC option if you want a different tonal character while still converting the transport's digital output to analog for your amplifier.
• Luxman L-505Z A capable integrated amplifier to drive your speakers, giving you volume control and power in one unit downstream of the DAC.
• Spendor A7.2 A well-balanced floorstanding speaker that reveals the detail and dynamics captured from your SACD and CD library.
• Gauder Akustik Arcona 40 MKII SD A precise standmount alternative for smaller rooms that keeps resolution high with the right stands and placement.

Frequently Asked Questions

Does the ONIX Zenith XST20 have a built in DAC?
No. It is a transport with digital output only and no built in DAC, so it makes no sound on its own and must be paired with an external DAC.

What discs can it play?
It supports CD, single-layer SACD, multi-layer SACD, and MQA-CD.

Can it output native DSD?
Yes. It outputs true DSD over I2S, including native DSD64 for SACD.

What is I2S and why does it matter here?
I2S is a digital interface that can carry DSD in its native form. The XST20 uses an FPGA-assisted I2S output with ten pinout modes for broad DAC compatibility.

How is SACD DSD carried on the standard digital outputs?
The Optical, Coaxial, AES, and BNC outputs carry SACD DSD64 via DoP or D2P, and CD at 44.1 kHz.

Does the USB output support SACD?
No. The USB output supports CD at 44.1 kHz only; SACD is not supported over USB.

What matched DAC do you recommend?
The ONIX Zenith XDA20 is the in-house DAC designed to pair with the XST20 over I2S for native DSD, making it the most coherent partner.

Is it a top-loading or front-loading transport?
It is a top-loading design with a classic disc clamp and fully gapless playback.

What display does it use?
It has a 3.4-inch touch screen for control and information.

What power supply does it use?
It uses a 25VA Talema transformer.

What are the dimensions and weight?
It measures 32 x 24 x 7.2 cm and weighs 5.2 kg.

What finishes are available?
It is available in Black or Titanium.

Can I connect it to any DAC?
You can connect it to a DAC using Optical, Coaxial, AES, BNC, or I2S. For native DSD over I2S, confirm your DAC supports a compatible pinout, which the ten pinout modes help accommodate.

Does it play MQA-CD?
Yes, MQA-CD is among the supported disc formats.

What amplifier and speakers should I add?
After the DAC, add an integrated amplifier such as the Luxman L-505Z and speakers like the Spendor A7.2 or Gauder Akustik Arcona 40 MKII SD to complete the system.

Is it suitable for a high-resolution two-channel system?
Yes. It is designed as a dedicated disc source for separates systems where an external DAC performs the conversion.

Does it support gapless playback?
Yes, the design is fully gapless.

What warranty does it carry?
It carries a 1 year parts and labor warranty through Forte Distribution.

Is All Elite Audio an authorized Onix dealer?
Yes. All Elite Audio is an authorized Onix dealer, so your purchase is covered by the full manufacturer warranty.

Why buy from All Elite Audio?
As an authorized Onix dealer, All Elite Audio offers genuine products with full warranty support, expert system matching, and knowledgeable guidance on pairing the XST20 with the right DAC, amplification, and speakers.