HDMI Audio Converter
    Product # 10251
    HDMI Audio Converter
    Product # 10251
    Out of Stock ETA: TBD


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    HDMI Audio Converter

    Get the most out of your home theater system with this HDMI® Audio Converter from Monoprice!

    The Monoprice HD Audio Converter taps into the incoming HDMI signal to produce Digital Optical, Digital Coaxial, and Analog 3.5mm TRS stereo audio outputs. The original, unaltered HDMI audio/video signal is sent to your display as normal, while the audio outputs can be connected to your home theater audio system for a superior audio experience.

    The converter supports all HDMI 3D video modes and high-definition, multichannel audio, including Dolby TrueHD™ and DTS-HD Master Audio™. A switch on the back of the converter allows you to switch between two different audio modes. Mode A allows the capabilities of the display to be sent to the source device. In most cases, this limits the audio output to 2-channel PCM. Mode B allows the source device to output any available audio mode. This allows you to select advanced multichannel audio streams for playback on your home theater audio system.

    Note: Monoprice strongly recommends using 22AWG, 24AWG, or active HDMI cables with Redmere technology to achieve the best results and to ensure minimum signal loss over longer distances.

    Support Files:

    HDMI®, the HDMI Logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.

    DTS® is a registered trademark and the DTS logos, Symbol, DTS-HD™, and DTS-HD Master Audio™ are trademarks of DTS, Inc.

    Dolby® and the double-D symbol are registered trademarks of Dolby Laboratories. Dolby TrueHD™ is a trademark of Dolby Laboratories.

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    4.5 / 5.0
    47 Reviews
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    Works perfectly
    Most AVR Receivers cannot play a digital input (eg HDMI) to both Zone 1 and Zone 2 simultaneously. In my case I want to have an AppleTV (4th Gen) play music in both zones simultaneously. This allows the AppleTV to plug into the AVR with HDMI for Zone 1, and also have an analog audio input into the AVR to be played to Zone 2.
    April 9, 2016
    I bought this to be able to get 5.1 sound to my receiver even though one of my TVs only supports 2.0 pcm. The a-b switch on the back works great but if I want to watch the TV that doesn't have the receiver and only supports 2.0 it only can receive sound information on channels with 2.0 soundtracks or if I switch it back to A and force a 2.0 output. I ended up buying an optical to analog decoder on amazon as there was no equivalent part available from monoprice. This part could be perfect if there were a second version that included the DD and DTS decoder built-in.

    PROS: Does everything it says it does.

    CONS: It would be useful if there were a version that converted dolby digital and dts to 2 channel analog.
    September 24, 2013
    Connecting old technology with new technology
    I needed to connect my receiver without hdmi inputs to a pc with an hdmi output. And it has performed flawlessly. I had an issue with your shipping time. I paid for 3-4 day shipping and I received my purchase in 6 days. When monoprice offered "free" shipping I also received my purchase in 6 days! Sounds fishy guys you may want to work on that.

    PROS: Works great!

    CONS: None
    September 21, 2013
    Listen to Google Play Music with Chromecast without having TV on
    I can now listen to Google Play Music with Chromecast without having TV on. This is great because running the TV while using Chromecast to listen to music through Google Play just wastes energy. I connected the 3.5 mm audio coming out of the adapter to an aux input on my audio amp. Works great!

    PROS: Small footprint. Lots of audio output options. Allows you to use an old audio amplifier that has no HDMI inputs.

    CONS: None, other than it's a bit expensive, but not too bad.
    August 12, 2014
    Worked great with TiVo Mini + Samsung TV + Sonos Playbar + Surround Sound via Sonos Connect:Amp
    Samsung TVs generally don't output Dolby Digital from their optical audio output (Toslink) *if* the source is connected via HDMI (lame, I know), so I needed this Monoprice (reviewed) part to go between the TiVo Mini and the Samsung TV in order to get a Toslink connection to the Sonos Playbar that did contain Dolby Digital (not simply 2ch).

    The one change I made to the arrangement was instead of using the power supply (supplied) for the Monorprice part, I connected a USB-to-power adapter from the Samsung TV. When we used the power supply that came with the Monoprice part, after turning off the TV, the sound from the TiVo Mini would continue to play out of the Sonos Playbar, because the Playbar continued to receive audio information. By connecting the USB-to-power cable from the Samsung TV to the Monoprice, the power would be cut whenever the TV turned off, and this perfectly sorted out the issue. FYI, this Samsung TV had (2) USB inputs, both of which supplied power whenever the TV was turned on – one with 0.5 amps, another with 1.0 amps, and we used the higher amperage output.
    January 5, 2015
    Close but not quite
    I bought this so I can get dolby true HD out of the coax or optical connection. I need to split the audio to my preamp and pass the video to my HDMI matrix. This doesnt decode those audio streams, only passes them through the HDMI connection. I will have to return this and get a HDMI splitter that supports Dolby true HD.

    PROS: Small and easy to hook up

    CONS: Does NOT support dolby True HD/ DTS-HD Master audio output on the coax or optical connectors. Will pass them through the HDMI. This should be more clear on the description.
    July 21, 2015
    Response from Monoprice
    Hello Steve,

    Thank you for your review on PID 10251! Regarding Dolby True HD and DTS-HD Master Audio, you are correct in that these audio codecs will only be supported via HDMI. Unfortunately, digital coax and optical Toslink are not able to provide the bandwidth needed to transmit these high-definition audio codecs at all and would only support two channel uncompressed PCM or compressed 5.1/7.1 audio. Only HDMI would be capable of handling Dolby True HD and DTS-HD MA even with other brand products.

    Should you have any questions regarding our products, please feel free to contact our tech support team via live chat, phone, or email and we would be happy to assist you. My apologies for the trouble and I hope this helps!

    Gabby V.
    Tech Support Associate
    November 18, 2016
    Monoprice Administrator M
    Perfect on my Roku 3
    I wanted to pull stereo audio onto RCA jacks off my Roku 3 and it worked perfectly. As others have noted, if you want to stereo signals out of the unit, it must be stereo coming in there is no digital conversion. But this works fine for my needs.

    PROS: * Easy setup, just worked

    CONS: * Only pulls off stereo audio onto stereo output
    September 14, 2014
    A Queation for Monoprice
    It appears this product suffers from the Netflix Dolby Digital Plus curse as everything other route I've tried or considered. I have a 5.1 Vizio Soundbar that when fed Netflix (DD+) will produce no sound. You must switch Netflix to 2-ch Stereo to view Netflix on Roku. Amazon Fire TV has the same problem but it has a DD Optical Out that will give 5.1.

    Is their any product that will downcode DD+ via HDMI to DD via Optical so a non-DD+ capable soundbar can play sound.
    January 4, 2015
    Works perfectly with older Roku
    I got this to connect an old Roku 3 to an hdtv and a 25 yr-old stereo amp which I still prefer over a newer receiver I bought last year. The hdmi out connects to my TV and the analog audio out connects to my amp. It's a perfect solution to a Roku with only an hdmi out. Beware, however, that the NEW Roku 2 and 3 which recently came out are apparently not compatible with these devices. So say review comments at Amazon.

    PROS: Works just the way it's supposed to with my old Roku 3.

    CONS: None
    May 15, 2015
    Split HDMI into 2 Outputs
    Awesome device to convert HDMI into multiple outputs. I'm using it on a 2 zone receiver where the 2nd zone can play non digital inputs only. I connected my apple TV to it and split the output with both HDMI and RCA plugs to play the same source in both zones. Works awesome and happy I can control the music from my bedroom while listening

    CONS: Wish the RCAs had pigtails on them vs the headphone to RCA converter.
    February 26, 2014

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