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MuxLab 500087 Digital Audio Format Converter

BH #MUDAC • MFR #500087
1 review
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MuxLab 500087 Digital Audio Format Converter
Key Features
  • Converts TOSLINK to Digital Coaxial
  • Converts Digital Coaxial to TOSLINK
  • Digital Coaxial (S/PDIF) and TOSLINK I/O
  • Up to 24-Bit / 96 kHz Resolution
The 50087 from MuxLab is a digital audio format converter offering simple setup and operation for converting between digital optical and coaxial formats in home theater, personal studios, and recording studios. It converts an optical TOSLINK or digital coaxial input to two simultaneously active digital outputs (optical and coaxial). It has digital coaxial (S/PDIF) and optical (TOSLINK ) inputs and outputs, and supports up to 24-bit / 96 kHz resolution.
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MuxLab 500087 Overview

The 50087 from MuxLab is a digital audio format converter offering simple setup and operation for converting between digital optical and coaxial formats in home theater, personal studios, and recording studios. It converts an optical TOSLINK or digital coaxial input to two simultaneously active digital outputs (optical and coaxial). It has digital coaxial (S/PDIF) and optical (TOSLINK ) inputs and outputs, and supports up to 24-bit / 96 kHz resolution.

It works with an uncompressed 2-channel PCM (pulse code modulation) S/PDIF signal and compressed surround formats. There are no parameters to configure; simply make the necessary connections (one optical TOSLINK cable included), then power on the unit via the supplied 5 VDC power supply.

  • Converts digital audio formats: TOSLINK optical to digital coaxial or digital coaxial to TOSLINK optical
  • Up to 24-bit / 96 kHz resolution
  • Both outputs are simultaneously active regardless of which input is used
  • Supports uncompressed stereo PCM signal (S/PDIF)
  • Supports compressed 5.1/7.1 surround formats such as Dolby Digital Plus, Dolby Digital 5.1, Dolby True HD, DTS, and DTS-HD
  • Includes power supply and TOSLINK optical cable
UPC: 627699000878

MuxLab 500087 Specs

Key Specs
Form Factor
Inline Adapter
Converter Type
Format Converter
Number of Channels
1
Maximum Sampling Rate
96 kHz / 24-Bit
Number of Microphone Inputs
No
Analog Audio I/O
No
Digital Audio I/O
RCA Coaxial S/PDIF Input
RCA Coaxial S/PDIF Output
TOSLINK Optical S/PDIF Input
TOSLINK Optical S/PDIF Output
General
Form Factor
Inline Adapter
Converter Type
Format Converter
Number of Channels
1
Conversion Formats
S/PDIF (Coaxial), S/PDIF (Optical)
Display
No
Maximum Sampling Rate
96 kHz / 24-Bit
Number of Microphone Inputs
No
Connectivity
Analog Audio I/O
No
Phantom Power
No
Digital Audio I/O
1x RCA Coaxial S/PDIF Input
1x RCA Coaxial S/PDIF Output
1x TOSLINK Optical S/PDIF Input
1x TOSLINK Optical S/PDIF Output
Host Connection / USB
No
Host Connection Protocol
No
Sync I/O
No
Network I/O
No
MIDI I/O
No
Expansion Slots
No
Wireless
No
Digital Audio
Sample Rates
Up to 96 kHz
Sample Rate Conversion
No
Bit Depths
24-Bit
Sync Sources
No
Compatibility
OS Compatibility
No
Mobile Device Compatibility
No
Power
Power Requirements
AC/DC Power Adapter (Included)
AC Input Power
110 to 240 VAC, 50 / 60 Hz
AC/DC Power Adapter
5 VDC at 0.5 A
Physical
Dimensions
2.4 x 2.2 x 1" / 61 x 57 x 25 mm
Weight
1.0 lb / 0.5 kg
Packaging Info
Package Weight
0.475 lb
Box Dimensions (LxWxH)
5.5 x 4.5 x 2.2"

MuxLab 500087 Reviews

Worked for a few days

By Mark
Rated 1 out of 5
Date: 2025-12-28

I had high hopes for this product, because it is made in Canada. It worked great for a few days, and then suddenly stopped working. I was using it to convert SPDIF out of my Fractal Audio FM3 to optical into my Apollo X16D. I had been using it to record for a few days with no issues. The next day when I tried to record, no signal came from the optical port of the converter. The unit had power and the red light was on in the optical output, but no signal was present. I tried different cables and a different optical input to my X16D to confirm that it was working properly. I contacted the manufacturer by email, and after listing the troubleshooting steps I took, they issued an RMA. However, I was responsible for the shipping costs to Canada. I looked elsewhere and found similar converters that cost less than the price to ship my unit to Canada. I decided to cut my losses and buy a cheaper converter.

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