{"product_id":"eway-tech-ew-bmmo-v620-optical-most25-to-spdif-converter-for-bmw-with-harman-kardon","title":"Eway Tech EW-BMMO-V620 BMW Harman Kardon MOST25 to S\/PDIF Interface","description":"\u003cp\u003eA factory MOST25 connection cannot be treated as an analogue amplifier feed. The Eway Tech EW-BMMO-V620 converts the specified factory audio signal to S\/PDIF for a compatible aftermarket DSP. Check the network type first. A similar looking interface for a different network is not a substitute.\u003c\/p\u003e\u003ch2\u003eWhat this upgrade addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eProvides a digital signal path for the stated factory audio architecture.\u003c\/li\u003e\n\u003cli\u003eOffers optical and coaxial outputs for a suitable DSP input.\u003c\/li\u003e\n\u003cli\u003eKeeps the vehicle network and amplifier input checks separate from speaker selection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications and components\u003c\/h2\u003e\u003cdl\u003e\n\u003cdt\u003eModel\u003c\/dt\u003e\n\u003cdd\u003eEW-BMMO-V620\u003c\/dd\u003e\n\u003cdt\u003eInput\u003c\/dt\u003e\n\u003cdd\u003eMOST25 fibre optic\u003c\/dd\u003e\n\u003cdt\u003eOutputs\u003c\/dt\u003e\n\u003cdd\u003eDual optical and dual coaxial digital outputs\u003c\/dd\u003e\n\u003cdt\u003eControl\u003c\/dt\u003e\n\u003cdd\u003eOriginal vehicle interface volume control, as specified by the distributor\u003c\/dd\u003e\n\u003cdt\u003eExternal digital source\u003c\/dt\u003e\n\u003cdd\u003eOptical or coaxial source with automatic priority switching\u003c\/dd\u003e\n\u003cdt\u003eWorking voltage\u003c\/dt\u003e\n\u003cdd\u003e10 to 18 V DC\u003c\/dd\u003e\n\u003cdt\u003eChips\u003c\/dt\u003e\n\u003cdd\u003eOS81050 and ADAU1452\u003c\/dd\u003e\n\u003cdt\u003eLow voltage protection\u003c\/dt\u003e\n\u003cdd\u003eDistributor specifies protection below 12 V. Confirm power behaviour during setup.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003ch2\u003eFitment and exclusions\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eBuild or equipment\u003c\/th\u003e\n\u003cth\u003ePosition or connection\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBMW E and F generation with Harman Kardon\u003c\/td\u003e\n\u003ctd\u003e2010 to 2019\u003c\/td\u003e\n\u003ctd\u003eFactory digital audio to a compatible DSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExclusions\u003c\/td\u003e\n\u003ctd\u003eBMW RAM and G generation systems\u003c\/td\u003e\n\u003ctd\u003eDo not substitute another network version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eInstallation and setup\u003c\/h2\u003e\u003cp\u003eMatch the actual MOST25 connection, factory sound package and vehicle build before ordering. Confirm the selected wiring, power connections and any programming requirements with the installer. Test media, volume, navigation prompts and warning sounds during commissioning. Do not assume every harness or accessory is supplied.\u003c\/p\u003e\u003ch2\u003eWarranty\u003c\/h2\u003e\u003cp\u003eAustralian Consumer Law rights apply. Confirm the warranty for the selected components when arranging the installation.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich factory audio connection does this model need?\u003c\/h3\u003e\u003cp\u003eIt is specified for MOST25 in BMW E and F generation with Harman Kardon. Check the installed factory system rather than selecting by vehicle year alone.\u003c\/p\u003e\u003ch3\u003eWhat signal does it send to a DSP?\u003c\/h3\u003e\u003cp\u003eThe distributor specifies optical and coaxial S\/PDIF outputs. The aftermarket DSP must have a compatible digital input.\u003c\/p\u003e\u003ch3\u003eCan I substitute another Eway network version?\u003c\/h3\u003e\u003cp\u003eNo. Match the interface to the actual vehicle network. BMW RAM and G generation systems are outside this listing.\u003c\/p\u003e\u003ch3\u003eIs this a complete amplified speaker upgrade?\u003c\/h3\u003e\u003cp\u003eNo. It is an audio interface. The DSP, amplification, speakers and installation wiring must be planned as a system.\u003c\/p\u003e\u003ch3\u003eWhat happens when I connect an external digital source?\u003c\/h3\u003e\u003cp\u003eThe distributor specifies automatic priority switching for an external optical or coaxial source. Check the intended source and volume arrangement during setup.\u003c\/p\u003e\u003ch3\u003eWhat should be checked during installation?\u003c\/h3\u003e\u003cp\u003eConfirm the wiring and configuration for the exact vehicle. Test volume, media playback, navigation prompts and warning tones before the vehicle is returned.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Which factory audio connection does this model need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is specified for MOST25 in BMW E and F generation with Harman Kardon. Check the installed factory system rather than selecting by vehicle year alone.\"}},{\"@type\":\"Question\",\"name\":\"What signal does it send to a DSP?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The distributor specifies optical and coaxial S\/PDIF outputs. The aftermarket DSP must have a compatible digital input.\"}},{\"@type\":\"Question\",\"name\":\"Can I substitute another Eway network version?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Match the interface to the actual vehicle network. 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