FX-AUDIO- DAC-X3J PRO [Silver] High-Resolution DAC ES9023P USB Bus Powered High Power Headphone Amplifier Optical Digital Coaxial Digital 3 Input
FX-AUDIO- DAC-X3J PRO [Silver] High-Resolution DAC ES9023P USB Bus Powered High Power Headphone Amplifier Optical Digital Coaxial Digital 3 Input
FX-AUDIO- DAC-X3J PRO [Silver] High-Resolution DAC ES9023P USB Bus Powered High Power Headphone Amplifier Optical Digital Coaxial Digital 3 Input
- Uses ESS Technology ES9023P
- Uses ARM-based MCU for the USB receiver
- Output couplingless specification/gain setting DIP switch
- High-power headphone amplifier circuitry with 3 and 2 stage opp amplifier
- Bus-powered drive design that supports external power supply
Brand: | FX-AUDIO- |
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Manufacturer: | North Flat Japan |
Part Number: | BL4T5XM |
Isin: | I2S6UFIBXKOS |

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A D/A converter and headphone amplifier that uses ESS Technology "ES9023P" and a digital audio receiver that uses Cirrus Logic "CS8416" for high-resolution audio sources that support USB connection bus-powered operation.
The high-performance DAC sound quality is straight and high quality sound close to the original unseasoned sound due to the couplingless design, so you can experience the reality you are playing before your eyes.
In addition to USB, the digital input comes with SPDIF optical input and coaxial input terminals, so you can switch between 3 digital inputs.
The headphone amplifier is a 2-stage configuration with 3 optics amplifier levels are independently configured on the left and right sides for high sound quality and high impedance headphones with good channel separation.
Main IC Specifications:
■DAC IC: Made by ESS Technology ES9023P
■ USB Receiver IC (DDC): Made by STMicroelectronics, ARM-based 32-bit MCU
Supported formats: Up to 24 bit/96 kHz
■Audio Receiver IC (DIR): Cirrus Logic CS8416
Supported formats: Up to 24 bit/192 kHz
■Headphone Amplifier Voltage Amplifier Level: Texas Instruments NE5532 Audio Amplifier
■Headphone Amplifier Current Amplifier Level: Texas Instruments NE5532 Audio Optic Amp x 2
Left and right channel independent design
[Precautions]
The headphone output terminal is 4 prong plug (TRRS) not covered under any warranty.
The external power supply DC jack has a DC5V specification (center plus).
If the voltage exceeds 5 V, polarity power source, or AC (AC) output power source is connected.
Please be careful of connecting errors.
Product Specifications:
Brand:FX-AUDIO-
Product Model Number: DAC-X3J PRO
Color: Black.
Product warranty period: 6 months from date of purchase
Digital input: [3-line] USB type B terminal/optical digital audio input (square) / coaxial digital audio input
Analog output: Stereo RCA terminal
Headphone output: 3.5mm stereo headphone jack (4 poles plug not included)
Supported formats: PCM (USB) up to 24 bit 96 kHz / [Optical and Coaxial Digital Input] up to 24 bit 192 kHz
USB Receiver IC: ARM-based 32-bit MCU by STMicroelectronics.
DAC IC: ES9023P by ESS Technology
Audio Receiver IC: Cirrus Logic CS8416
Compatible operating systems: Windows 11/ 10/ 8(8.1) & 7/ Vista / XP / 2000/ MacOS X / 9.1 or later
Power Supply: USB bus power / external power supply (DC 5V) compatible
Power connector (external power supply): outer diameter 0.2 inch (5.5 mm), inner diameter 0.08 inch (2.1 mm) (center plus specification)
Accessories: USB-DC plug cable, instruction manual (English language not guaranteed).
Size (W x D x H): 3.8 x 3.9 x 1.3 inches (97 x 99 x 33 mm) (
Weight: 8.8 oz (250 g).
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