--- product_id: 242527556 title: "LiNKFOR 3.5mm to SPDIF Converter AUX to Optical Digital Audio Adapter" brand: "linkfor" price: "$38.47" currency: USD in_stock: true reviews_count: 13 category: "Li Nkfor" url: https://www.desertcart.us/products/242527556-linkfor-3-5mm-to-spdif-converter-aux-to-optical-digital store_origin: US region: United States of America --- # Supports uncompressed 2CH PCM audio @48kHz Built-in 1.2m AUX + 1m optical cable included 3.5mm AUX to SPDIF digital conversion LiNKFOR 3.5mm to SPDIF Converter AUX to Optical Digital Audio Adapter **Brand:** linkfor **Price:** $38.47 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your sound game—ditch analog, embrace digital clarity! ## Quick Answers - **What is this?** LiNKFOR 3.5mm to SPDIF Converter AUX to Optical Digital Audio Adapter by linkfor - **How much does it cost?** $38.47 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/242527556-linkfor-3-5mm-to-spdif-converter-aux-to-optical-digital) ## Best For - linkfor enthusiasts ## Why This Product - Trusted linkfor brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-in-One Cable Solution:** Includes built-in 1.2m 3.5mm cable plus 1m optical cable—no extra accessories needed to get started. - • **Plug & Play with Zero Hassle:** Compact, USB-powered design means no drivers, no fuss—just instant high-fidelity audio transformation. - • **Optimized for Millennial Tech Ecosystems:** Perfectly compatible with HDTVs, PCs, projectors, and game consoles to connect with premium soundbars and home theaters. - • **Seamless Analog to Digital Audio Upgrade:** Effortlessly convert your 3.5mm AUX output to crystal-clear SPDIF optical sound for next-level audio setups. - • **Premium Audio Clarity with PCM 2.0CH Support:** Enjoy uncompressed, stable 48kHz digital audio output that elevates your listening experience. ## Overview The LiNKFOR 3.5mm to SPDIF Converter transforms analog AUX audio signals into high-quality digital optical output, supporting uncompressed 2-channel PCM audio at 48kHz. Designed for seamless integration with TVs, PCs, projectors, and gaming consoles, it features a compact, USB-powered plug-and-play design with built-in cables for easy setup. Ideal for connecting to soundbars and home theater systems, this converter delivers clear, stable digital audio without the need for extra drivers or accessories. ## Description Product Description Regarding noise 1. Power the converter with a 5V1A USB power adapter to eliminate the interference of power noise 2. Keep the converter away from potential electromagnetic interference sources such as Wi-Fi routers and areas with dense power lines Regarding noise 1. Power the converter with a 5V1A USB power adapter to eliminate the interference of power noise 2. Keep the converter away from potential electromagnetic interference sources such as Wi-Fi routers and areas with dense power lines Regarding the intermittent sound 1. Power the converter with a 5V1A USB power adapter to eliminate the interference of power noise 2. Replace the optical fiber cable and ensure that it is firmly connected to the optical fiber interface Regarding the intermittent sound 2. Replace the optical fiber cable and ensure that it is firmly connected to the optical fiber interface Regarding incompatibility Fiber to 3.5mm conversion is NOT supported Regarding incompatibility Fiber to 3.5mm conversion is NOT supported LiNKFOR Converter Analog to Digital Length 6.9ft/2.1m Input 3.5mm Output SPDIF Connector Male to male Learn More Analog to Digital Length 6.9ft/2.1m Input 3.5mm Output SPDIF Connector Male to male Analog to Digital Length 6.9ft/2.1m Input R/L RCA Output SPDIF Connector Male to male Learn More R/L RCA Digital to Analog Length 6.9ft/2.1m Input SPDIF Output R/L RCA Connector Male to male Learn More Digital to Analog Review: Worked perfectly - Bought this lead for my cheap simple projector (£80 a few years back), to connect to my nice new sound bar. SOUND! Worked perfectly. There are instructions if you need it. Silly me plugged the USB into the sound bar thinking that would power it 😅 read the instructions, you need to connect the USB to a plug. Maybe I'm just stupid, but it might help someone. Review: Job done - Perfect ## Features - 【3.5mm to SPDIF Audio Conversion】--- Convert Analog 3.5mm AUX Audio Signals to Digital Toslink SPDIF Optical Output. Designed for TV, PC, Projector And Game Console Audio Connection. Not a Digital to Analog Converter - 【PCM 2.0CH Digital Audio Support】--- Supports Uncompressed 2-Channel PCM/LPCM Digital Audio Output with 48kHz Sampling Rate, Delivering Clear And Stable Optical Audio Transmission - 【Built-In 1.2m 3.5mm Cable & 1m Optical Cable Design】--- Features A Built-In 1.2m 3.5mm Audio Cable for Direct Connection to Audio Sources Without Extra AUX Cable. Includes 1m Optical Cable for Easy Setup - 【Compact Plug And Play Design】--- Small and Lightweight ABS Housing Saves Space and Blends Easily with Existing Audio Setup. USB Powered Design Provides Simple Installation Without Extra Drivers - 【Wide Compatibility with Audio Systems】--- Works with HDTV, Computers, Projectors And Game Consoles to Connect with Soundbars, Optical Receivers And Home Theater Systems. Note: Set Audio Output to PCM/LPCM Before Use. Not Compatible with Dolby Digital, DTS or Other 5.1CH Signals ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CJXNDLMW | | Best Sellers Rank | 4,641 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 8 in Digital-Analog Converters | | Brand | LiNKFOR | | Country Of Origin | China | | Customer Reviews | 4.2 out of 5 stars 570 Reviews | | Included Components | USB Power Cable | | Interface | 3.5mm, Toslink | | Manufacturer | LiNKFOR | | Manufacturer Part Number | ULK039 | | Material | ABS | | Maximum Supply Voltage | 5 Volts (DC) | | Maximum supply voltage | 5 Volts (DC) | | Minimum Supply Voltage | 5 Volts (DC) | | Minimum supply voltage | 5 Volts (DC) | | Model Number | ATD-03 | | Mounting Type | Cable Mount | | Mounting type | Cable Mount | | Number of Channels | 2 | | Number of Items | 1 | | Number of Pins | 3 | | Number of pins | 3 | | Upper Temperature Rating | 55 Degrees Celsius | | Upper temperature rating | 55 Degrees Celsius | ## Product Details - **Brand:** LiNKFOR - **Maximum supply voltage:** 240 Volts - **Minimum supply voltage:** 5 Volts - **Mounting type:** Coaxial - **Number of pins:** 2 ## Images ![LiNKFOR 3.5mm to SPDIF Converter AUX to Optical Digital Audio Adapter - Image 1](https://m.media-amazon.com/images/I/61mpoxGFmsL.jpg) ![LiNKFOR 3.5mm to SPDIF Converter AUX to Optical Digital Audio Adapter - Image 2](https://m.media-amazon.com/images/I/71k62hfHc-L.jpg) ![LiNKFOR 3.5mm to SPDIF Converter AUX to Optical Digital Audio Adapter - Image 3](https://m.media-amazon.com/images/I/71BCzkQwlgL.jpg) ![LiNKFOR 3.5mm to SPDIF Converter AUX to Optical Digital Audio Adapter - Image 4](https://m.media-amazon.com/images/I/61hPHiXg20L.jpg) ![LiNKFOR 3.5mm to SPDIF Converter AUX to Optical Digital Audio Adapter - Image 5](https://m.media-amazon.com/images/I/71VNoiSDb-L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Regarding noise** A: 1. Power the converter with a 5V1A USB power adapter to eliminate the interference of power noise 2. Keep the converter away from potential electromagnetic interference sources such as Wi-Fi routers and areas with dense power lines **Q: Regarding the intermittent sound** A: 1. Power the converter with a 5V1A USB power adapter to eliminate the interference of power noise 2. Replace the optical fiber cable and ensure that it is firmly connected to the optical fiber interface **Q: Regarding incompatibility** A: Fiber to 3.5mm conversion is NOT supported ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked perfectly *by M***H on 11 June 2026* Bought this lead for my cheap simple projector (£80 a few years back), to connect to my nice new sound bar. SOUND! Worked perfectly. There are instructions if you need it. Silly me plugged the USB into the sound bar thinking that would power it 😅 read the instructions, you need to connect the USB to a plug. Maybe I'm just stupid, but it might help someone. ### ⭐⭐⭐⭐⭐ Job done *by L***D on 2 July 2026* Perfect ### ⭐⭐⭐⭐⭐ Great with Sonos Beam soundbar *by K***Y on 3 November 2025* I needed a solution to connect my speakerless monitor to my Sonos Beam soundbar via the monitor's 3.5mm audio output socket. The Sonos Beam only has an HDMI input but is supplied with a SPDIF to HDMI adapter cable. To be honest, I had quite low expectations for this LINKFOR analogue to digital converter based upon some of the reviews. I, however, can't fault it. The sound quality from my Xbox Series X via the monitor and LINKFOR converter is great with no whining or high pitched noises as reported by others. Easy to connect and good quality for the price. One happy customer who would have no hesitation buying another. ## Frequently Bought Together - LiNKFOR Analog to Digital Audio Converter RCA to Digital Toslink SPDIF Optical Audio Converter with Optical Cable for HDTV Turntable CD DVD to Soundbar - Cable-Core Twin 2 RCA Phono to RCA Phono Double Female Connector/Coupler --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/242527556-linkfor-3-5mm-to-spdif-converter-aux-to-optical-digital](https://www.desertcart.us/products/242527556-linkfor-3-5mm-to-spdif-converter-aux-to-optical-digital) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-14*