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Here's what you need to know about lossless Amazon Music Unlimited HD

Amazon has introduced a new lossless audio streaming service titled "Amazon Music Unlimited HD" for those who want to experience their music at a higher quality.

Amazon's Music Unlimited HD gives Amazon customers the chance to stream their favorite songs in higher definition than they would be able to on other services. Currently, Amazon Music HD offers lossless audio on two quality ranges, HD and Ultra HD.

HD tracks are 16-bit audio with a sample rate of 44.1kHz, or CD-quality, and an average bit rate of 850 kilobits per second. Ultra HD tracks 24-bit audio with a sample rate of up to 192kHz, and an average bit rate of 3730 kilobits per second. As Amazon points out, most streaming services only offer standard definition quality music, which reduces some of the detail in order to save on file size.

Because the files are lossless, it should be noted that they are significantly larger. A standard song comes in at just around 9 megabytes, where as an HD song comes in at 50 megabytes. An Ultra HD song comes in at 153 megabytes, meaning that devices will be able to hold less music at higher qualities.

This also means that streaming HD and Ultra HD songs will use up more of your data plan, so it's advised that people with lower data caps listen to music via Wi-Fi or download the music for offline listening later.

Additionally, the quality of the music is going to be heavily dependent on how you're listening to it as well. Playing the music through low-quality speakers is going to render a low-quality result.

Alexa-enabled Echo devices from the second generation and onward, Fire TVs, and Fire Tablets support HD quality audio.

Most iPhones and iPads released since 2014 support HD/Ultra HD playback. Apple AirPlay also supports HD quality playback. Any Mac from 2013 or later can support HD and Ultra HD, as well.

The service $5-$7 more expensive than the standard Amazon Music Unlimited, which costs $7.99, depending whether or not a customer also has Amazon Prime.

You can get a three month free trial when you sign up, and costs $12.99 a month for Amazon Prime members, and $14.99 for everyone else. Amazon Music Unlimited family plan subscribers can upgrade to Amazon Music HD for an additional $5/month.