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Calyx M Portable Media Player

Out of stock

Sold Out. Discontinued.

The Calyx M Portable Media Player delivers high resolution audio with a 4.65 inch high definition OLED screen. Made in South Korea and released in 2013, it features an intuitive and easy to upgrade software platform and audio performance you will be enamored with.  

Comparable in size to an iphone 6, it is very well built and it operates in a wide variety of formats including decoding of native DSD files.

It has TRUE DSD conversion as it does NOT convert to PCM like many other players on the market.

Now with improved battery.

From MP3 to FLAC and WAV, as well as AIFF, AIF, AAC, MP4 and OGG from 44.1 to 384kHz sampling and 16-bit to 32-bit depth to decoding DSD64 and DSD128 files (DoP) as well as DXD.

Calyx M Review by Headphone.Guru 

Calyx Audio has a rich history of designing and manufacturing truly impeccable digital and analog audio gear. Calyx Audio of South Korea manufactures the M — a DSD capable, high-resolution hand held music player. The M also does double duty as a digital-to-analog converter, and the custom-designed software lets users browse and create playlists on the go. The Calyx M offers users the ability to store up to 448 GB worth of music with one SD and one Micro SD card slot. The M is equipped with 64GB of internal flash memory with the option to upgrade the unit with a user-replaceable micro SD card up to 128GB. 

Digital conversion is handled by the ESS Labs ES9018S-2M chip then sent to a discrete class A analog output stage. Sound quality is what music aficionados expect from Calyx, and the M delivers! Bass extension and power belies the look of the M with its sleek and light chassis. A 4.65 inch Gorilla glass high definition OLED screen that is responsive, rugged and reliable. Whether through headphones or your audio system music is highly detailed and effortless sounding.

Your music stored on the M is only a touch away. The M:USE proprietary user interface is intuitive, attractive and feature packed. Browse your music by Artist, Album and Tracks. The search feature allows you to find what you’re looking for quickly. Swipe the screen to the left and you can create multiple playlists in the “Jukebox”. You can rearrange your play queue with a drag and a drop.

It also features an asynchronous USB input comparable with Windows XP, Vista 7 and 9 (both 32-bit and 64-bit) as well as Apple OS 10.6 and up, making it equally adept as a high performance DAC for a hifi music system. It has an ample 1.25V RMS output and ultra-low 3.3Ω output impedence exceeds the specs of most dedicated headphone amplifiers. It can truly drive a broad range of audiophile caliber headphones with ease and exceptional performance. THD+N is an exceedingly low 0.004% @ 1kHz with a 16Ω load and 0.08% @ 1kHz with a 32Ω load.

It only weighs 5.7 ounces which is excellent for portable headphone setups or "on the go" listening. It also includes a 21000mAh battery capacity for up to 7 hours of playback, ensuring us more time to enjoy the music. It truly competes with the best smartphones in form, function and value but includes outstanding high quality audio performance to add some icing to your cake.

Calyx M Body

Large Touch Screen

4.65" OLED large touch screen (HD - Resolution 1280 x 720).

Proprietary developed M:USE UI.

Intuitive and easy to operate.

Slide Volume Control

Analog controlled digital colume mechanism.

Accurate volume controle in 0.5dB incremental step.

Feel of an analog application.

Aluminum Body / Trim

For detail and solidity.

Anodized finish in Calyx Brown.

Use of recyclable parts for the green Earth.

Calyx M Interface

Easy & Simple Interface

Access other screens by easy drag motion.

Calyx M Album art

Full Size Album Art

Get a larger view of the album art at now playing.

Calyx M Albums and tracks

Album and Tracks in one screen

View the album and tracks in one screen.

Move album and tracks by easy Drag and Drop.

Calyx M Jukebox


Add music based on your feels in Jukebox.
You can also apply to playlists too.

Reviews of the Calyx M Music & Media Player

Sound Stage Xperience Review 

Part Time Audiophile Review

SD card needs to be formatted in  “FAT32” or “NTFS”


File Formats: MP3, FLAC, WAV, AIFF, AIF, AAC, MP4 and OGG from 44.1 to 384kHz sampling and 16-bit to 32-bit depth to decoding DSD64 and DSD128 files (DoP) as well as DXD.

Sampling Frequency kHz: 44.1, 88.2, 176.4, 352.8, 48, 96, 192 & 384

Bit Depth: 16, 24 & 32

Output Voltage: 1.25V rms @ 32 Ohm

Output Impedence: around O Ohm

Frequency Response: 20Hz ˜ 32kHz

THD+N: 0.0015% @1kHz at 32 Ohm, 0.0015% @ 1kHz at 16 Ohm

Channel Separation: [email protected]

Dynamic Range: 114dB

Core Processor: Cortex A5, 625MHz/ 1 G-byte

Display: 4.65" OLED 1280X720 (HD), Adjustable-Brightness

UI/UX (M:USE): Proprietary Design by Calyx M, M:USE

Gapless Play: Yes

Language Support Menu: English & Korean, Optional: Japanese, Chinese, German, French, Spanish, Italian & Etc.

Battery Capacity: 3100mA (Around 5 hours play time)

USB: Micro USB connector

Music Management: M:USE, Dynamic Playlist editable on the go. Key word search function.

Placement of Buttons: 1/8(3.5mm) headphone jack (top left), Power On/Off (top right) (From top to bottom on the right side) Slide Volume, Next, Play/Pause and Previous.

Dimensions: 135.50 x 70 x 14.80 m/mˆ3 (H/W/D) Weight (230g)

Accessories: Micro USB Cable

Stand Alone USB DAC

Compatible OS: Windows XP, Vista 7 & 8 (32bit, 64bit), Mac OS 10.6+

Sample Rates: Asynchronous. 32/384, 128x DSD - DoP


External Memory: 1 SD(upto 256G) and 1 micro SD(upto 128G)

Internal Memory: 64G flash memory

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