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Gustard X18

Gustard

Gustard X18

Last updated August 1, 2026

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A desktop DAC with the flagship ES9038Pro chip, dual low-jitter clocks, and both wired and Bluetooth inputs.

Official product page

Overview

The X18 is built around an ESS ES9038Pro DAC chip with an embedded Altera Max V CPLD for clock management, 8 independent I/V converters using OPA1612 op-amps, and dual Accusilicon A5318-B clocks for low jitter. Inputs include USB (XMOS XU216), optical, coaxial, AES, I2S via HDMI, and Bluetooth 5.0 with aptX HD/LDAC, with both single-ended RCA and balanced XLR outputs.

Pros

  • ES9038Pro flagship DAC chip with 8 independent I/V converters (OPA1612 op-amps)
  • Dual Accusilicon A5318-B clocks for low jitter
  • Comprehensive I/O: USB, optical, coaxial, AES, I2S via HDMI, plus Bluetooth 5.0 (LDAC/aptX HD)
  • Both RCA and XLR balanced outputs

Cons

  • $749 is the most expensive DAC in this batch
  • 7-10 working day pre-order processing, non-cancellable and non-refundable
  • No headphone output listed — pair with a separate amp for headphones

Specifications

DAC Chip
ESS ES9038Pro
USB Interface
XMOS XU216
CPLD
Altera Max V
Frequency Response
20Hz-20kHz ±0.08dB
Output Levels
RCA 2.5Vrms / XLR 5Vrms @ 0dBFS
PCM Support
Up to 32-bit/768kHz via USB/I2S
DSD Support
Up to DSD512 (native, USB/I2S)
Bluetooth Codecs
AAC, SBC, aptX, aptX LL, aptX HD, LDAC
Inputs
Bluetooth 5.0, USB-B, Optical, Coaxial, AES, I2S/HDMI
Outputs
RCA (single-ended), XLR (balanced)

FAQs

What DAC chip does the X18 use?

An ESS ES9038Pro chip, with 8 independent I/V converters using OPA1612 op-amps.

Does it support wireless input?

Yes — Bluetooth 5.0 with AAC, SBC, aptX, aptX LL, aptX HD, and LDAC codec support.

How long is the pre-order wait?

Linsoul lists a 7-10 working day processing time, and pre-orders are non-cancellable and non-refundable.

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