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FiiO M3K Digital Audio Player & Voice Recorder - Silver

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FiiO M3K Digital Audio Player & Voice Recorder - Silver

  • Hi-Res Audio certified, successor to the FiiO M3

  • AK4376A DAC from AKM

  • Supports AIFF, ISO and DSD (DSD64) formats playback with a maximum sampling rate of up to 384kHz/32-bit

  • Refined and seamless aluminium alloy body, 2.0-inch IPS laminated tempered glass screen with conductive touch panel

  • 26 hours battery life from 1100mAh built-in battery

  • Ultra-low-power idle state up to 38 days without charging

  • Digital voice recording function with its high quality built-in microphone

  • Up to 2TB of storage expansion via micro-SD card

  • Asynchronous USB DAC up to 192kHz/24 bit on Apple Mac & Windows PC

  • Supports USB OTG file transfers



Powerful X1000E processor

Different from the typical music player in its price range, the M3K is powered by the Ingenic X1000E processor which provides high performance but with low power consumption. This ensures with the M3K you get a smooth, yet long-lasting experience without breaking the bank.

True high-fidelity audio

The M3K uses the AKM AK4376A, a proven and well-received DAC that is capable of decoding up to 384kHz/32-bit audio with a remark- ably low noise floor, allowing you to hear the music as if you were at the recording session itself.

Pure, unadulterated musical bliss

The M3K has quite the musical, yet incredibly clean sound. With such a low noise floor, you could even hear a pin drop.

Charge it just once a week

Thanks to the extremely low power consumption of the X1000E processor, the M3K has a battery life up to 24 hours and standby time up to 38 days. That means if you listen 3.5 hours every day, the M3K can go for a whopping 1 week before needing to be charged again!

High-fidelity recording and playback

With the M3K's high quality microphone, record audio whenever you want, wherever you want. And with the audiophile audio playback hardware the M3K packs, you can preserve cherished moments in high quality at the touch of your fingertips.

*Recording functionality requires micro SD to be inserted into the M3K – recordings are saved in a special folder in the micro SD card. Microphone is located in the top right of the M3K body.

All-new AB functionality

The new AB functionality allows you to compare and repeat between two different tracks as many times as you like, allowing you to really get a handle on any differences.

Master of decoding

The M3K supports a wide variety of lossless audio formats and file types, so you don't have to worry about converting your music. Supported formats and file types include: PCM up to 384kHz/32-bit audio, DSD, CUE files, and LRC files for displaying lyrics.

Asynchronous USB DAC

No other player in the M3K's segment can be used as a USB DAC. With a Mac, the FiiO M3K is automatically recognized when connected with no need to install  a separate driver. With a Windows computer, a special driver from FiiO is required. Either way allows you to enjoy up to 192kHz/24 bit audio!

Rapid file transfers through OTG

The M3K supports file transfers with USB OTG-compatible devices if connected by an USB OTG cable. Doing so, you can quickly download and transfer music and other files easily and as quickly as through being hooked up to a computer.

Note: Currently it only supports some Android phones, but doesn't support iPhone.

Refined and seamless aluminum body design

The M3K is the first portable music player at its price point to feature a seamless, all-aluminum unibody construction with tempered glass. Those features not only give the M3K a both simple and elegant design, it also makes it near indestructible. Combined with the M3K's small frame that is designed to make it easy to operate with one hand, and you have a beautiful machine that truly considers the needs of its users.

Shiny new capacitive touch buttons

The M3K adopts a set of capacitive buttons + touchpad for operation, a substantial upgrade over last generation's simpler physical buttons. There are five sets of touch buttons to make getting around the UI easy: next/previous track, confirmation, back, and menu keys. The touch buttons are also backlit to greatly enhance usability in dark areas and make the M3K much easier to use when the screen is off – you get both more convenient operation while enjoying huge power savings from the turned-off screen.

A body and IPS screen you'll want to touch and look at

A bright and attractive 2.0-inch IPS screen adorns the front of the M3K, instantly grabbing anyone's attention. This is complemented by the M3K's handsome body, which continues the design language of the X1II critically acclaimed for its looks and ergonomics.

Thoroughly modern, cool UI

Behind the M3K's user interface is FiiO's unique design language – a thoroughly modern and stylish yet functional and intuitive UI that makes getting to your music a joy, not a chore.

One-button lock screen design to prevent accidental touches

The new clock functionality of the M3K allows you to rest easy when listening to your music by letting you keep track of time at a glance. The lock screen has an intuitive, yet effective design to make sure functions aren't accidentally activated – when in the lock screen, simply press the power button once or slide up the center touchpad to unlock.

Tailor your music with the graphic equalizer

With built-in rock/classical/jazz/pop/dance/metal/vocal EQ presets as well as allowing you to set up your own custom EQ, the M3K lets you listen to the music exactly the way you want it.

Up to 2TB of storage expansion

The M3K supports micro-SD cards for storage expansion, up to a massive 2TB! (When they become available.) You no longer need to worry about what music to take with you – simply just take every- thing!

Note: The M3K adopts SD3.0 protocol which supports micro SDCX (Secure Digital eXtended Capacity) card from 32GB to 2TB. It's also downward compatible with micro SDSC (Secure Digital Standard Capacity) card and micro SDHC (Secure Digital High Capacity) card.

Hi-Res Audio certified

The M3K has been deemed to be truly “Hi-Res Audio” capable by the professionals at the Japan Audio Society

Technical Specifications

Additional Information

Colour Silver
Warranty 1 year (local)
Product Weight (g) 77.5
Availability Discontinued
Product Type Digital Audio Player, Voice Recorder
Style/Type Portable
Features Expandable Memory/Storage, High-Res Audio Certified, Microphone
Storage Capacity up to 2TB
Sampling / Bitrate 384kHz/32-bit
Frequency Response (Hz) 5Hz~90 kHz (-3dB)
Impedance (Ω) <1Ω (32Ω)
Signal-to-Noise Ratio (SNR) ≥117dB(A-weighted)
Total Harmonic Distortion (THD) <0.004% (1kHz/32Ω)
Output Power 25mW (32Ω /THD+N<1%); 42mW (16Ω /THD+N<1%)
Battery Life (hrs) > 24hrs (about 26 hours)
Input Connectivity micro-USB
Output Connectivity 3.5mm Stereo
Additional Tech Specs Refer to the Official Website for full Technical Specifications
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