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While TVs accept go improve and improve over the past 15 years, sound has taken several steps backwards. Many of us have sacrificed fidelity in pursuit of convenience and portability, adopting inferior audio codecs such equally MP3 and making them our new benchmarks. Lossy formats such every bit that strip music of its dynamics, detail, and vitality. But it doesn't have to be that way. Pick upward a high-resolution digital audio player (DAP) and yous can accept your cake and swallow information technology, too.

Different old-school MP3 players, Apple's iPod touch, or the typical smartphone, high-res DAPs are designed with high-cease audio circuitry, loftier-powered digital-to-analog converters (DACs), and amplifiers that can bulldoze a wide range of audiophile-class headphones. Their exclusive purpose is to play music, and while they tin play merely about any type of music file, they're really designed for the formats and codecs that deliver better-than-CD quality.

Updated January 26to add our Astell&Kern A&ultima SP2000T review. If your pursuit of supreme on-the-go sound reproduction includes a very big budget and a tolerance for a slow, quirky operating system, this is the digital sound player to purchase. Four ESS DACs—ii for each aqueduct—and a genuine onboard tube amp should tell you everything you need to know. Just exist prepared for sticker shock: The manufacturer expects to collect $two,500 on the sale of each unit.

All-time high-res digital audio role player

If you can afford the very best, and are willing to tolerate a quirky and often deadening operating organisation, the A&ultima is the high-res digital audio thespian to buy. Boasting 4 ultra high-cease ESS DACs and a genuine tube amp, this actor is the ultimate in mobile high-end sound reproduction.

Runner-upwardly

Looks like it's some other one-two finish for Astell&Kern. The SA700 lacks the 4.4mm counterbalanced headphone output that the KANN Alpha boasts, simply it does have a ii.2mm counterbalanced headphone out. And while you won't become LDAP back up for wireless playback, you lot do get aptX Hard disk drive support. Most importantly, the SA700 sounds nigh as fantastic.

All-time budget-priced high-res digital audio player

You can pay a whole lot more for a high-resolution digital audio player, merely this model from Activo delivers almost everything you lot'll go in a considerably more expensive model for just $299, including MQA and aptX Hd support.

How we tested

We state which headphones were used to review each player, simply our standbys include the Bowers & Wilkins' P7, B&W P5 Wireless, and B&W C5 (Series 2) headphones in a variety of listening environments.

Nosotros used Bowers & Wilkins' P7 over-the-ear headphones for our critical listening tests.

Nosotros copied a collection of high-res ALAC, FLAC, and DSD music files to 64GB microSD cards and used them with all iii players. Test files were encoded with 24-flake resolution at sampling rates ranging from 48- to 192kHz. Some of the music files we used were supplied past the manufacturers; others were purchased from HDTracks, B&W'southward Society of Sound, AcousticSounds, and like loftier-res music-download sites. We too purchased some of the same albums on CD and from the iTunes store (the latter as lossy AAC-encoded files) for comparing.

Features to look for when you lot shop

Selecting a high-res DAP can be daunting. They come up in all shapes, sizes, and toll points. I've outlined some feature yous should look out for.

Along with ALAC, FLAC and DSD are two of the more than pop lossless audio codecs you lot'll see for high-res music.

Audio codec support: This spec is important. You need lossless, high-res music files to take total reward of a high-res DAP. We recommend that you lot look for a player that supports, at a minimum, ALAC, DSD, and FLAC files since those are the about common codecs that high-resolution download sites employ. These are the most common audio codecs you'll encounter (in alphabetical order):

• AAC (Advanced Audio Coding) A lossy codec normally used by iOS devices and at the iTunes store)
• ALAC (Apple tree Lossless Audio Codec) Unremarkably used past iOS devices
• APE A gratis and very efficient lossless codec from Monkey's Audio
• AptX A near-CD-quality sound codec supported by some Bluetooth devices
• DSD (Direct Stream Digital) A high-resolution codec that originated with SACD (Super Sound CD)
• FLAC (Gratuitous Lossless Audio Codec) A common free lossless codec
• MQA (Master Quality Authenticated) A astern-compatible lossless codec that applies a digital fingerprint to a file to guarantee information technology was sourced from the original master recording
• MP3 (MPEG sound layer 3) A very common lossy codec
• Ogg-Vorbis A lossy codec that is pop, merely less common than MP3
• WMA (Windows Media Audio) A lossy codec unremarkably used by Windows devices
• WMAL (WMA Lossless) a lossless codec commonly used by Windows devices

User interface:Aside from physical characteristics, differences between user interfaces can be dramatic, and they tin make or pause your overall experience. Some players are based on the Android operating arrangement and volition be very familiar to Android smartphone users. Other players have proprietary user interfaces with a touchscreen, a click wheel, or navigation buttons. The player'south user interface can influence what you tin and tin't do on the thespian (such as searches) and how hands you can perform certain tasks (such every bit creating playlists).

Loftier-res DAPs have huge differences in user interfaces. Pioneer's Android-based UI is our favorite.

Font sizes and legibility vary greatly amidst the different DAPs, and some don't you to suit the font sizes. If you take trouble reading small font sizes, and so you should consider a model that runs the Android OS, which volition provide font-sizing options and other accessibility options.

Volume button location: The location and size of the book controls are surprisingly important. The location of the volume button tin can determine whether or non you can apply a player with one hand.

Transferring songs: Copying songs to external microSD cards is drag-and-driblet uncomplicated, simply the way a DAP handles copying music files to its internal storage varies from one DAP to the adjacent. Some players, like the Pioneer XDP-100R, will mountain on your computer like a hard drive, then you tin can drag-and-driblet copy; others require software on the host estimator (and in some cases, that software might be bachelor but for Windows). Check the specs advisedly.

The Questyle QP1R's volume command is on its distinctive crown dial.

Storage capacity: Loftier-res DAPs have both internal storage and expandable storage via microSD menu slots. Considering high-res music files are significantly larger than MP3s or iTunes AAC-encoded files, we recommend having a minimum internal storage of 32GB and at least 1—preferably two—microSD slots.

DAC (digital-to-analog converter): The DAC is one of the most important elements in a digital sound actor's blueprint. This is the hardware that converts a digital signal into an analog signal that you tin can hear through headphones or loudspeakers connected to an amplifier. Some DAPs tin as well serve as a loftier-terminate USB DAC for your computer, keeping the indicate in the digital domain until information technology emerges from the noisy environment inside your computer.

2 specs measure a DAC's capabilities: Resolution (expressed in bits) and sampling rate (expressed in thousands of cycles per 2d and notated equally kHz). We recommend that y'all expect for players whose DACs support at least 24-chip/192kHz, which will enable it to decode a digital signal encoded with upwards to 24 bits of resolution at a maximum sampling charge per unit of 192kHz. Annotation that these specs measure out conversion capability, not necessarily the quality of the resulting conversion.

Most loftier-res digital audio players volition support microSD cards up to 200GB.  Be sure to use high-quality, name-brand cards.

Native DSD playback: DSD is the digital audio format used by SACDs. Many high-res DAPs back up DSD, simply non all practice. And not all players handle DSD files in the same fashion.

About players catechumen DSD into PCM (Pulse Code Modulation) for playback. Some people object to the notion of converting DSD to PCM. If yous share this concern, then look for a player that plays DSD files natively.  Whether or not you can hear a deviation between the native DSD file or the converted PCM is beyond the scope of this roundup.

Bluetooth: Not all high-res players come up with Bluetooth. If you plan on using Bluetooth wireless headphones with your digital audio player, we recommend that the player supports aptX, which promises near CD-quality wireless playback. Some newer DAPs besides back up aptX Hard disk, which enables the thespian to stream digital audio files with 24-bit resolution and sampling rates as loftier as 48kHz (i.e., amend-than-CD quality). With both codecs, the player and the headphones you pair with them must be capable of supporting the codec.

Some high-res players support Bluetooth streaming and others don't. You'll go the all-time Bluetooth experience with equipment that also supports the aptX codec, which delivers well-nigh-CD-quality audio.

Streaming services: If you desire to access streaming services such as Tidal (ane of few that stream FLAC and that also supports MQA files), take note: Not all loftier-res DAPs are equipped with Wi-Fi adapters, and fifty-fifty fewer accept integration with streaming services. If streaming services are important to you, be sure to buy a DAP that tin can connect to Wi-Fi networks.

Remote command: Many (if non most) of today'southward high-resolution DAPs come up with their own analog-style book controls. Consequently, most DAP's do non work with in-line headphone remote controls. If this feature is important to yous, then bank check the manufacturer'due south specifications carefully.

Hi-Res Audio logo: Some DAPs conduct the How-do-you-do-Res Sound consortium's logo. A DAP bearing this logo doesn't necessarily hateful that it outperforms than 1 without the logo, it just means that its manufacturer has paid a licensing fee and has agreed to follow a set of product guidelines and performance requirements.

Some DAPs will bear the How-do-you-do-Res Audio logo. This certification indicates that the player meets a set of minimum specifications for playing back high-res music files.

What do y'all need to feel high-res music?

John Siau, Vice President of Benchmark Media Systems, wrote an excellent summary of what high-res music is—and is non.  It'due south a bang-up introduction to the topic. Needless to say, in order to experience the audible benefits of high-resolution music, you lot need a high-quality component at every phase of the signal path. For the purposes of this word, that means music recorded, mastered, and encoded in high-res; a digital sound actor—the DAC and amplifier elements—that supports high-res playback; and headphones capable of reproducing loftier-res music. Your playback will only be every bit adept equally the weakest link in your system.

The newish Master Quality Authenticated (MQA) format certifies that the musical track was sourced from the original studio-master recording.

Headphones : While you might bask your Apple earbuds for walking down the street, they won't evangelize the total do good of loftier-res music played through a loftier-res DAP. You'll desire to invest in a high-quality pair of headphones—preferably the over the ear type—which have larger drivers, greater dynamics, and the added benefit of lowering the racket flooring as y'all listen. High-quality headphones tin can be found for a few hundred dollars, with premium audiophile models hands costing more than $1000.

While most music lovers tin can't beget Sennheiser'south $1699 HD 800 S headphones, you do want to use the best quality headphones you can afford with a high-res digital audio player. That probable ways spending a few hundred dollars.

High-res music-download sites: The tracks yous've ripped from CD are non high resolution, and y'all won't find loftier-res music files at the iTunes, Amazon MP3, or Google Play stores, either store either—at least not yet. Upconverting those music files won't magically transform them into high-resolution tracks, either—you tin can't put in what was never there in the offset place. Your all-time sources for purchasing high-res music files are online stores such every bit HDTracks.com, B&Due west Society of Sound, Linn Records, AcousticSounds.com, or iTrax.com. Only buyer beware: Some sites classify tracks every bit high-res even though they were recorded and mastered at merely CD quality (sixteen-fleck/44.1kHz).

Tin can you really hear the difference?

At present that'south the big question isn't it? Tin can you really hear the difference? Read very carefully, equally many manufacturers volition claim something to the effect that their high-res music player "reveals more of the original musical operation than an MP3 player or smart mobile phones."  Maxim high-res is meliorate than MP3 is no ameliorate than maxim a CD is better than an MP3 file.  Of course information technology is, but many tin't hear the difference between an MP3 file and a CD (or a high-resolution track for that matter). Think you tin? Try this online test from NPR.org (exist certain to listen on the best-quality headphones or speaker system you have).

Recall you can tell the departure betwixt MP3 files and uncompressed WAV files?  Have this test at NPR.org to find out.

Now things get muddier when it comes to the differences between CDs and high-resolution music files (yous can download CD-quality and loftier-res files every bit part of this experiment conducted by Scott Wilkinson and Dr. Mark Waldrep on AVS Forum to meet if you can tell the difference).  That'south why you'll oft see manufacturers (and even high-resolution music sites) compare their stuff to MP3. So what's the lesser line here? Properly recorded and mastered high-res music is the existent deal, merely don't be surprised if you or your friends oftentimes can't tell the departure between CD and high-res tracks.

Hi-res sound, high-res music: Not the same thing

Finally, we'll open this can of worms ever then slightly. Hullo-Res Audio and high-resolution music are not the same thing. Hi-Res Audio is a proper name defining playback hardware, while high-resolution music refers to the actual music files. The two terms are sometimes used interchangeably, sowing confusion. What's more, the term "high-res" hasn't been usefully defined (run into Bob Stuart'southward article from the Journal of the Audio Engineering Society, "Loftier-Resolution Sound A persepctive."

At the take a chance of oversimplifying the details, but know that "loftier resolution" is being defined by the audio industry as anything exceeding CD quality. For many, that definition simply isn't good enough. If that'due south you and you lot want to larn more than nearly some of the bug surrounding high-resolution recording and playback, check out the Existent HD-Audio blog by Dr. Marker Waldrep of AIX Records.  Happy listening.

Note: When y'all purchase something afterward clicking links in our manufactures, we may earn a modest committee. Read our affiliate link policy for more details.

Theo Nicolakis is a C-Level technologist and digital communications professional. He'due south besides a passionate audiophile and home theater aficionado.

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