ES9038Q2M 32bit / 768kHz DSD512
Usually a symmetrical output comes with a higher price since it is considered to be a premium feature. This is not the case here: for a really economical budget, you have the XLR output and more importantly, a superbly low noise and distortion level.
The LA-QXD is a high-precision DAC operating with two ES-3238 SA2 32-bit SA90 chips integrated in symmetrical mode.
This component is one of ESS flagship products and one of the best current hardware solutions for high-fidelity audio decoding, notably with the HYPERSTREAM 32 BIT 768KHZ architecture as well as native DSD support. They are also equipped with advanced reconstruction filters and have excellent finesse in dithering.
ESS technology is also very popular in that it provides extremely precise and signal-friendly volume control.
The LA QXD1 has a USB input on a USB-B connector controlled by an essential XMOS U208 interface. The latter allows it to work directly from audio streams on your computer or any device with this type of connector.
A second separate USB connector is in charge of powering the device. This redundancy makes it possible to completely ignore the audio noise linked to the capture of power supply noise by the USB interface. This power connector is USB-C to facilitate scenarios of nomadic use and battery power.
In addition to the USB input, the LA QXD1 has an S / PDIF interface. The latter allows it in the first place to decode the S / PDIF streams received on its oaxial inputs &
In addition, the SPDIF interface is also connected to the USB interface as well as to a digital output on coaxial port. In addition to its DAC function, the LA-QXD1 can thus behave like a digital interface, capable of interfacing its optical / coaxial and USB inputs to a coaxial S / PDIF output. This digital interface output offers various integration possibilities for occasionally or permanently connecting devices that do not have the appropriate connections.
The device is easily controlled using four buttons on the front. These provide access to source selection, digital filter adjustment, volume control and mute functions.
A panel of four LEDs indicates the active output in real time and allows you to check that the device is powered up.
| TECHNICAL CHARACTERISTICS | |
|---|---|
| Type | DAC Digital interface |
| Architecture | Symmetrical |
| DAC chip | ES9038Q2M |
| Entrances | USB-B (XMOS) Optical Toslink Coaxial SPDIF |
| Exits | RCA analog stereo (unbalanced) XLR analog stereo (balanced) Coaxial SPDIF Digital |
| Sampling frequency | USB: 32-bit / 768kHz PCM - DSD512 (Native) Optical: 24-bit / 192kHz PCM - DSD64 Coaxial: 24-bit / 192kHz PCM - DSD64 |
| Output level | XLR: 4.0Vrms @ 0dBFS RCA: 2.0Vrms @ 0dBFS |
| Frequency response | 20Hz ~ 20KHz (± 0.18dB) XLR / RCA |
| Dynamic range | > 124dB A-Weighted |
| THD + N | <0.00015% @ 1kHz XLR / RCA |
| Crosstalk | > 130dB @ 1kHz XLR / RCA |
| Output impedance | 200Ω XLR 100Ω RCA |
Modulation of background noise |
<4.3µVrms |
| Dimensions | 149.3 x 87 x 37mm |
| Weight | 475g |
| PACKAGE CONTENTS | |
|---|---|
| LA-QXD1 | x1 |
| USB-B male / USB-A male cable | x1 |
| USB-C male / USB-A male cable | x1 |
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