Simplecom CM121 Digital Optical Toslink and Coaxial to Analog RCA Audio Converter

This Digital to Analog Audio Converter is designed for either home or professional audio application. It converts Coaxial or Toslink digital audio signals to analog L/R audio and available for connection to an external audio device such as speaker, amplifier via standard RCA connectors, and a stereo headphone via 2RCA to 3.5mm adapter.


Converts SPDIF Optical or Coaxial digital PCM audio input to analog stereo L/R RCA outputs 

Supports uncompressed 2-channel LPCM digital audio signal output

Supports sampling rate at 32kHZ, 44.1kHZ, 48kHZ, and 96KHz24-bit SPDIF incoming bit stream on left and right channels

Low power, lightweight size, portable and easy to carry and operate

Powered by USB, USB Power Cable and Wall Changer included

Converting from digital to analog only, proprietary 5.1/7.1 surround sound signals are not supported


Input Audio: Coaxial or Toslink digital audio

Output Audio: RCA L/R stereo audio

Power: DC5V, 1A Max

Power input: USB Port, USB Wall Charger (AC 100-240V 50/60Hz)

Dimension: 60x55x20mm

Net Weight: 78g

Important Note

The CM121 converter only supports PCM audio signals and does NOT support Dolby, DTS, or other proprietary 5.1/7.1 surround sound signals. 

 It's important that the digital audio output of your device defaults to or can be set to PCM/LPCM output, otherwise the sound output will be noise/static.

Converting from digital to analog only, not capable of being reversed.

Package Contents

1 x CM121 Digital to Analog Audio Converter

1x 2RCA(R/L) to 3.5mm Adapter

1x USB Power cable

1x USB Wall Charger

1x User Manual


SKU V28-CM121
Barcode # 9350414000921
Shipping Weight 0.5000kg
Unit Of Measure Carton

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