5.1 Audio Decoder – DTS/AC3/PCM Optical to Stereo Surround Digital-to-Analogue Converter

Have a Surround Sound System That Can’t Connect to Your TV or Streaming Device’s Digital Output?

Modern TVs, Blu-ray players, and streaming devices output audio digitally — via optical (TOSLINK) or coaxial SPDIF — in formats like DTS, AC3 (Dolby Digital), and PCM. If your amplifier or speaker system only accepts analogue input, this digital signal can’t be used without conversion. A digital-to-analogue audio decoder bridges this gap: it takes the digital optical or coaxial signal, decodes the surround sound format, and outputs the audio as analogue stereo signal to your existing speakers or amplifier.

This 5.1 Audio Decoder handles exactly that conversion.

5.1 Audio Decoder – DTS/AC3/PCM Optical to Stereo Surround Converter

A digital-to-analogue audio converter and decoder supporting DTS, AC3 (Dolby Digital), and PCM formats via dual SPDIF optical inputs and coaxial input. Outputs decoded audio as stereo analogue via 3.5mm AUX. Compatible with HD audio sources including 5.1 surround sound signals. Connects digital audio outputs from TVs, Blu-ray players, game consoles, and streaming devices to analogue speaker systems and amplifiers.

What This Decoder Solves

DTS & AC3 Decoding – Full Surround Sound Support

DTS and AC3 (Dolby Digital) are the two primary surround sound formats used in film, TV, and gaming audio. This decoder processes both, extracting the full surround information from the digital stream and converting it to analogue output — enabling surround sound playback on analogue speaker systems that would otherwise receive no usable audio from a digital source.

Dual SPDIF Optical + Coaxial Input – Flexible Source Connectivity

Two optical SPDIF inputs and one coaxial SPDIF input allow multiple digital audio sources to be connected simultaneously. Switch between sources without disconnecting cables — useful for installations with a TV and a games console or Blu-ray player connected to the same speaker system.

3.5mm AUX Output – Universal Analogue Connectivity

The 3.5mm AUX output connects to the analogue input of any amplifier, active speaker system, or headphone amplifier — the most universally compatible analogue audio format. No proprietary connectors or format-specific cabling required on the output side.

HD Audio – High-Fidelity Conversion

HD audio conversion maintains the fidelity of the source signal through the decoding process, delivering the full quality of the DTS, AC3, or PCM source to the analogue output without significant signal degradation.

Specifications

• Type: Digital-to-analogue audio decoder / converter
• Input Formats: DTS, AC3 (Dolby Digital), PCM
• Inputs: 2x SPDIF optical (TOSLINK), 1x coaxial
• Output: 3.5mm AUX stereo analogue
• Audio: HD, 5.1 surround decode to stereo
• Variants: Select from options

Who This Is For

For anyone with an analogue speaker system or amplifier that cannot accept a digital audio signal directly from a modern TV, streaming device, or disc player — and for anyone setting up a home audio system that spans digital sources and analogue output equipment.

Elanique Tech

We source technical accessories that solve real connectivity problems cleanly. This 5.1 audio decoder earns its place in our tech range because it resolves one of the most common home audio compatibility issues with a compact, capable device that handles every major digital audio format.