Simplecom CM121
Digital Optical Toslink and Coaxial to Analog RCA Audio Converter
Key facts
- Part number
- CM121
- Brand
- Simplecom
- Category
- Adapters
- Equivalent part numbers
- 9350414000921(UPC)
- Price
- AUD 29≈ USD 20.04 Reference price (RRP)
- Availability
- On request — ask for a quote
Overview
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.
Features
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
Specifications
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
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
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.
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- AUD 29≈ USD 20.04
- Oct 2026
- Lowest recorded
- AUD 29≈ USD 20.04
- Highest recorded
- AUD 29≈ USD 20.04
- Recorded
- 2026
- 1 price point
AUD 29 rrp, recorded
Buy or sell Simplecom CM121
Buying Simplecom adapters
Looking to buy the Simplecom CM121 or a compatible adapter? Prology supplies new, refurbished and used Simplecom adapters in Australia and the United States. Send the part number and quantity for a firm price.
Selling Simplecom adapters
Have a spare or decommissioned CM121? Prology buys used and surplus Simplecom adapters — single units or whole lots — and replies with an offer within 1 business day. Sell your CM121.
- What is the Simplecom CM121?
- The Simplecom CM121 is a Simplecom adapter – Digital Optical Toslink and Coaxial to Analog RCA Audio Converter. It is also listed under 9350414000921.
- How much does the Simplecom CM121 cost?
- The reference price on record is AUD 29 (Oct 2026). It is a reference figure, not a selling price — ask Prology for a firm quote.
- Where can I buy the Simplecom CM121?
- It is not listed on the Prology store yet. Prology sources Simplecom adapters on request — request a quote and we reply with a firm price and lead time within 1 business day.
- Can I sell a used Simplecom CM121?
- Yes. Prology buys used and surplus Simplecom adapters, including the CM121. Get an offer — sell outright or trade in against your next order.
Request a quote for CM121
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.