{"product_id":"orei-da21-optical-coaxial-to-rca-3-5mm-converter","title":"OREI DA21 Optical\/Coaxial to RCA 3.5mm Converter","description":"\u003cp\u003e\u003cstrong\u003eOREI DA21 converts optical or coaxial digital audio into stereo analog sound via RCA and 3.5mm outputs, with a dedicated headphone\/speaker jack for easy connection to legacy audio gear.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMany modern TVs, game consoles and media players send sound as a digital stream, but older stereo receivers, powered speakers and headphones need analog left\/right audio. The OREI DA21 bridges that gap by accepting SPDIF optical or coaxial inputs and delivering clear 2-channel PCM output through RCA jacks and a 3.5mm mini jack. It supports a wide range of sample rates and resolutions for compatibility with most consumer sources, while remaining a straightforward, compact box that is easy to set up.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I connect the DA21 to my TV or media player?\u003c\/h3\u003e\n\u003cp\u003eHooking up the DA21 is a two-step process: connect the digital audio out from your TV or player (optical TOSLINK or coaxial) to the converter’s input, then run RCA or a 3.5mm cable from the DA21 to your amplifier, powered speakers, or headphones. Power the unit with the included adapter and set your source’s audio output format to PCM to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse TOSLINK or coaxial cable to the DA21 input.\u003c\/li\u003e\n  \u003cli\u003eUse RCA or a 3.5mm cable to analog speakers or amp.\u003c\/li\u003e\n  \u003cli\u003ePlug in the supplied power adapter before use.\u003c\/li\u003e\n  \u003cli\u003eSet the TV\/player digital audio output to PCM (not Dolby).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this convert surround sound formats like Dolby Digital or DTS?\u003c\/h3\u003e\n\u003cp\u003eThe DA21 only converts uncompressed PCM stereo from digital inputs to analog left\/right; it does not decode or downmix Dolby Digital, DTS, or multi-channel surround streams. If your source sends Dolby\/DTS you will hear no audio or distortion unless the source is configured to output PCM.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports PCM stereo only — not a decoder.\u003c\/li\u003e\n  \u003cli\u003eDoes not support Dolby, DTS, 5.1ch, or 7.1ch formats.\u003c\/li\u003e\n  \u003cli\u003eIf you need downmixing from Dolby, consider a dedicated decoder model.\u003c\/li\u003e\n  \u003cli\u003eIf you hear clicking or no sound, switch the source to PCM output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat audio qualities and sample rates are supported?\u003c\/h3\u003e\n\u003cp\u003eThe DA21 accepts common sample rates up to 192kHz and 24-bit resolution, so it handles high-resolution PCM sources from most modern players and TVs. This ensures accurate stereo reproduction as long as the incoming stream is PCM rather than an encoded surround format.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupported rates: 32kHz, 44.1kHz, 48kHz, 96kHz, 192kHz.\u003c\/li\u003e\n  \u003cli\u003eUp to 24-bit resolution for precise stereo audio.\u003c\/li\u003e\n  \u003cli\u003eConverts only PCM — passthrough of encoded audio is not supported.\u003c\/li\u003e\n  \u003cli\u003eWorks with most streaming boxes, Blu-ray players, and TVs when set to PCM output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat troubleshooting tips help if I get clicking, screeching, or no audio?\u003c\/h3\u003e\n\u003cp\u003eMost audio issues relate to the source’s output format or cabling. Ensure the TV or source is set to output PCM stereo and that cables are firmly seated. If you still have problems, test with an alternate cable or source to isolate the issue.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSet source digital audio output to PCM to avoid clicks.\u003c\/li\u003e\n  \u003cli\u003eReplace optical\/coaxial cables if the signal is intermittent.\u003c\/li\u003e\n  \u003cli\u003eCheck power adapter connection and LED indicators.\u003c\/li\u003e\n  \u003cli\u003eUse a decoder unit if your device requires Dolby\/DTS conversion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The OREI DA21 is aimed at anyone who needs to connect modern digital audio sources to older analog equipment — homeowners with legacy stereo amps, gamers using powered headphones, or offices repurposing speakers for video conferencing. It’s ideal when you only need clean stereo output from optical or coaxial sources and do not require surround-sound decoding. If you require downmixing from Dolby or multichannel audio, choose a model that explicitly lists decoder capabilities.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the DA21 decode Dolby Digital or DTS?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The DA21 converts PCM stereo only and cannot decode Dolby Digital or DTS encoded audio.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What should I set my TV’s audio output to?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Set the TV’s digital audio output to PCM to ensure the DA21 receives a compatible stereo signal.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OREI","offers":[{"title":"Default Title","offer_id":48412862382237,"sku":"B008EPW7TA","price":22.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/orei-da21-front-and-ports.jpg?v=1781252668","url":"https:\/\/nexoltic.com\/products\/orei-da21-optical-coaxial-to-rca-3-5mm-converter","provider":"Nexoltic","version":"1.0","type":"link"}