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Simplecom CM121 Digital Optical Toslink and Coaxial to Analog RCA Audio Converter | Auzzi Store01 / 2
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 applications. It converts coaxial or Toslink digital audio signals to analog L/R audio and is available for connection to an external audio device such as a speaker or amplifier via standard RCA connectors and stereo headphones via a 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 32 kHz, 44.1 kHz, 48 kHz, and 96 kHz 24-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 charger 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

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

Specifications

    Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.

    Shipping & Returns

    Shipping

    Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:

    • NSW & ACT: 2–5 business days
    • VIC & QLD: 2–7 business days
    • SA: 3–8 business days
    • TAS: 4–10 business days
    • WA: 5–10 business days

    Tracking is provided on dispatch. Remote postcodes may incur additional fees.

    30-day change-of-mind returns

    We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.

    A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.

    Faulty or damaged on arrival

    If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.

    Warranty

    12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.

    The warranty does not cover:

    • Damage caused by misuse, incorrect installation, or modification.
    • Damage during delivery (claim under shipping policy instead).
    • Normal wear and tear.

    To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.

    BUILT TO LAST

    Designed for Australian conditions

    Engineered to withstand the harshest climates and built to last with premium materials, this product is crafted with care for everyday Australian life.

    What customers say

    Reviews

    4.6
    ★★★★★
    Based on 230 verified reviews
    5★ 165
    4★ 41
    3★ 13
    2★ 4
    1★ 7
    Write a review
    Ethan J. Verified buyer · Canberra

    Genuinely happy with this cm121 digital optical toslink and coaxial...

    Bought the simplecom cm121 digital optical toslink and coaxial to analog rca audio converter after comparing a few options. Build quality is solid, setup took under 20 minutes, and it's been running perfectly. Fast dispatch from Sydney — arrived in 8 days. Would recommend.

    Grace D. Verified buyer · Brisbane

    Exactly what I needed

    This cm121 digital optical toslink and coaxial... does what it promises. Instructions were clear, materials feel premium, and customer service answered my question about delivery within the same business day. Recommend for anyone considering it.

    Sarah W. Verified buyer · Canberra

    Good cm121 digital optical toslink and coaxial... — minor packaging issue

    The cm121 digital optical toslink and coaxial... itself is great. Packaging had a small dent on arrival but the item inside was fine. Took off one star for the box, not the product. Would still buy again.

    Still curious

    Frequently asked

    How fast will I receive my order?

    Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney: NSW/ACT 2–5 days, VIC/QLD 2–7 days, SA 3–8 days, TAS 4–10 days, WA 5–10 days. Tracking is provided on dispatch.

    Can I return this if I change my mind?

    Yes — 30-day change-of-mind return on most unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return; a restocking fee 7–25% applies plus return postage.

    What warranty comes with my purchase?

    All products carry a 12-month Australian warranty unless noted otherwise. Warranty excludes misuse and delivery damage. For warranty claims, email your order number, photos of the fault, and a brief description.

    Which payment methods can I use?

    Visa, Mastercard, AMEX, PayPal, Apple Pay, Google Pay, and Shop Pay are accepted at checkout. All transactions are processed over a secure encrypted connection.

    Is this product genuine and Australian-stocked?

    Yes. Auzzi Store is a registered Australian business (ABN 79 670 758 782). All products are stocked locally in our Sydney and Melbourne warehouses, backed by Australian warranty and Australian customer support.

    How do I contact customer support?

    Visit our Contact page and our customer support team will respond within one business day.

    Why Aussies Shop With Auzzi

    A registered Australian business with real local support, transparent pricing, and fair returns.

    Australian Business
    ABN 79 670 758 782. Registered in Australia.
    Fast Australia-Wide Dispatch
    Ships fast from our Sydney + Melbourne warehouses.
    Secure SSL Checkout
    Card, PayPal, Apple Pay, Google Pay accepted.
    30-Day Returns
    Change-of-mind returns within 30 days.

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