From the sale of March 24, 2023 has been greatly renewed to new lots.
The main circuit board and main ICs have been renewed and greatly improved version.

Equipped with headphone amplifier and digital preamp function; Supports digital 3-line inputs; The integrated DAC DAC-M6J uses the ES9018K2M manufactured by ESS Technology, which is known for its high performance in the heart DAC IC.
The headphone amplifier uses the IC Maxim Integrated, MAX9722A high-performance headphone amplifier.
It delivers the power that can be powered by high impedance headphones while driving low voltage, and the modern high speed and crisp sound quality.

In addition, the basic function of digital preamps, the digital volume has no gang errors (left and right volume errors) and cross talks that are inevitable with analog volumes.
The FX-1001J and FX-501J feature a dual mono structure that further enhances the overwhelming possibilities.
This product is a DAC with preamp function, so unlike other DACs, the RCA output is linked to the volume.


Main IC Specifications:
■ Made by ESS Technology ES9018K2M

■DAI/USB Receiver IC (DDC): Made by SAVIAUDIO BRAVO SA9123
Supported formats: Up to 24 bit/192 kHz (optical digital input, coaxial digital input)

■ USB receiver IC (DDC): Made by SAVIAUDIO BRAVO SA9023
Supported formats: Up to 24 bit/192 kHz

■Headphone Amplifier IC: Maxim Integrated, MAX9722A
SNR: 100dB THD+N: 0.009%


[Precautions]
The internal relay will work when silent, but it is not an abnormal phenomenon.


Product Specifications:
Brand:FX-AUDIO-
Product Model Number: DAC-M6J
Color: Black.
Product **period: 6 months from date of purchase
Digital Input 1: USB Type B Terminal, Supports USB 2.0 (up to 24 bit/192 kHz), USB Audio Class 1.0
Digital Input 2: Optical Optical Optical Optical Point Terminal [TOS-LINK] (Max 24 bit/192 kHz)
Digital Input 3: Coaxial coaxial terminal (up to 24bit/192kHz)
Analog output: RCA terminal *Front volume interlock
Output stops when connected to the front headphone jack.
Headphone output: TRS phone plug compatible with 6.3mm stereo jack (16Ω-300Ω)
Supported Power Supply: DC 5 V Power Supply Capacity 0.5 A or greater (USB bus power operating)
DC Jack: Outer diameter 0.1 inch (3.5 mm) x inner diameter 0.5 inch (1.35 mm) (center plus specification)
Accessories: Instruction manual (English language not guaranteed), USB to DC5V plug power cable.
Size (H x W x D): 1.3 x 3.9 x 4.3 inches (33 x 98 x 108 mm) (excluding pro
Weight: 9.5 oz (265 g).

Operating OS (USB connection).
Windows 11/10/ 8(8.1) & 7/ Vista / XP / 2000/ MacOS X / 9.1 and above
USB AUDIO CLASS 2.0 Support: Windows 10 Creators Update Version 1703 Build 15063 or later Mac OS X 10.6.4 or later
Works with standard OS drivers for Windows 10 or later and MacOS.
If you use the previous Windows operating system before, you will need to install the driver.
http://nfjapan.com/driver/sa9123.zip

Mobile OS equipped devices are not covered under operating warranty.
Connection with mobile operating systems may not be able to recognize depending on the device specifications or software specifications, etc. and we are not covered under the operating warranty.
Although we do not guarantee the operation of some mobile devices, we have confirmed the operation of this product as a reference.
iPhone 6 / iPhone SE / iPhone XR / iPhone X (Connect with Lightning to USB 3 camera adapter).

Specifications and design may change without prior notice due to improvements.