FiiO M33 R2R Portable Hi-Res Lossless Music Player (Gold)

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FiiO M33 R2R Portable Hi-Res Lossless Music Player (Gold)
Key Features
  • Snapdragon 680 with 8GB of RAM
  • 3.5mm & 4.4mm Headphone Outputs
  • 24-bit R2R Array for Analog-Like Warmth
  • Manual & Auto EQ
Originally designed for desktop equipment, the M33 R2R Portable Hi-Res Lossless Music Player from FiiO features a fully differential 24-bit R2R array for lossless audio quality with analog-like warmth. A host of high-end internal components is utilized to give your music a natural and expansive soundstage with exceptional clarity. Powerful amps can drive most any headphone through the 3.5mm and 4.4mm outputs. You can also stream music via two-way Bluetooth or use the M33 R2R as a desktop DAC. Access files from 128GB of storage or stream via Wi-Fi, navigating tracks and apps using the built-in 1080p 5.5" touchscreen. Enjoy your audiophile-grade music all day with up to 15.5 hours of playback.
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FiiO M33 R2R Overview

Originally designed for desktop equipment, the M33 R2R Portable Hi-Res Lossless Music Player from FiiO features a fully differential 24-bit R2R array for lossless audio quality with analog-like warmth. A host of high-end internal components is utilized to give your music a natural and expansive soundstage with exceptional clarity. Powerful amps can drive most any headphone through the 3.5mm and 4.4mm outputs. You can also stream music via two-way Bluetooth or use the M33 R2R as a desktop DAC. Access files from 128GB of storage or stream via Wi-Fi, navigating tracks and apps using the built-in 1080p 5.5" touchscreen. Enjoy your audiophile-grade music all day with up to 15.5 hours of playback.

Multi-Stage Audio
A pre-amp stage with TI op-amps are engineered to produce a natural and expansive soundstage, while INA1620 amp chips in a parallel configuration are able to produce up to 1100mW+1100mW of balanced output. This is enough power to support everything from sensitive IEMs or over-ear headphones.
Digital Audio Purification
Using the FiiO M27-derived proprietary DAPS (Digital Audio Purification System), the M33 R2R can efficiently produce high-quality digital audio. A high-capacity FPGA and dual custom femtosecond crystal oscillators are also used to achieve precise audio with ultra-low jitter.
Manual and Auto EQ
Adjust the sound of your music using the global 10-band PEQ and granular, per-band customization. For easier adjustment simply select the Pop, Jazz, or Classic EQ presets, or activate Auto EQ. Auto EQ automatically makes adjustments by matching the frequency curve of your headphones.
Playback and Listening
You have many ways to play music with the M33 R2R DAP. At home, you can connect to Wi-Fi and stream lossless audio from supported online services. When on the go, you can stream via Bluetooth or play files within the DAP's 128GB of built-in storage. You can connect almost any type of headphone to the 3.5mm or 4.4mm outputs or use two-way Bluetooth support to stream to an optional external speaker. You can also use the M33 R2R as a USB DAC on your desktop via USB-C.
Long-Lasting Power
The built-in battery can power the M33 R2R for up to 15.5 hours, or up to 13.5 hours when enjoying balanced playback. For continuous power, you can use the included USB-C cable with an optional power adapter in D.MODE. D.MODE stands for Desktop Mode, which bypasses the internal battery when AC power is connected, extending the lifespan of the M33 R2R's battery.
Durable and High-Quality Display
Access music and settings through the brilliant 1080p 5.5" touchscreen display. The display's front glass is made from 3rd-generation Gorilla Glass for durability, has an oleophobic coating to repel water and fingerprints, and comes with a pre-installed tempered glass screen protector.
Additional Details
  • Qualcomm Snapdragon 680 with 8GB of RAM
  • Android 13 operating system
  • XMOS XU316 chip for ultra-low latency and synchronized audio and video when used as a USB DAC
  • Supports DSD512 up to 768 kHz 32-bit audio
  • Precision electronic volume control
  • Global SRC bypass
  • Global All-to-DSD
  • Four gain modes: Low, Medium, High, and Super High
  • Independent shielding on R2R, amp, and power modules to reduce interference and crosstalk
  • Cassette tape, spectrum, and VU display themes
  • Android, Pure Music, AirPlay, USB DAC, and Bluetooth reception operating modes
  • Customizable multi-function buttons for one-click access to frequent menu options
  • 18:9 golden ratio and dual-beveled edges for the perfect grip
  • AG matte glass back for a silky smooth feel
  • Protective leather case included
  • Compatible with FiiO RETRO BOX
EAN: 6953175761327

FiiO M33 R2R Specs

Key Specs
Supported Formats
AAC / AIFF / APE / Apple Lossless / DSD / DXD / FLAC / MP3 / OGG / WAV / WMA / WMA Lossless
Amplifier
1x XU316
Volume Control
Buttons
Audio I/O
1/8" / 3.5 mm TRRS Headphone/Mic / 2.5 mm Submini TRS Stereo / 4.44 mm Bantam
Internal Storage
128 GB
Display
5.5" / 14.0 cm LCD (1080 x 1920 Resolution)
Media Support
Supported Formats
AAC / AIFF / APE / Apple Lossless / DSD / DXD / FLAC / MP3 / OGG / WAV / WMA / WMA Lossless
Audio
Amplifier
1x XU316
Volume Control
Buttons
Connectivity
Audio I/O
1x 2.5 mm Output
1x 1/8" / 3.5 mm Stereo Headphone Output
1x 4.44 mm Bantam Output
Media/Memory Card Slot
Single Slot: microSD/microSDHC/microSDXC
Internal Storage
128 GB
Power
Power I/O
1x USB-C Input/Output
General
Display
5.5" / 14.0 cm LCD (1080 x 1920 Resolution)
Weight
9.1 oz / 258 g
Packaging Info
Package Weight
1.29 lb
Box Dimensions (LxWxH)
7.7 x 5.4 x 2.5"

FiiO M33 R2R Reviews

WOW - FiiO M33 R2R Portable Hi-Res Lossless Music Player

By William
Rated 5 out of 5
Date: 2026-09-07

My parents bought me this FiiO M33 R2R Portable Hi-Res Lossless Music Player for my birthday (65th). Wow, this is an upgrade from the FiiO II (FX1221). Upgrade is a misnomer, the sound quality is off the charts on the FiiO M33. Right out of the box, no tweaks in the setting this device sound Amazing. I'm using 1more Quad Driver In-Ear Headphones & Beyerdynamic DT 700 PRO X over ear. The sound stage is completely different from my old FiiO II player. This is a solid buy, don't hesitate. Though my parents spoiled me, I would spend my own money lol. I've had the FiiO M33 for almost a month, still haven't touched the EQ on the device. I play only HiRes 24-bit/48 kHz or 24-bit/96 kHz audio files, the sound sends shivers down my spine. I use it with my Asus ZenBook Pro (i9 13900) and my workstation and can control everything via remote. Thanks to B&H Photo/Video for carrying this product. I live in Vancouver, Canada and B&H handles all the Custom's paperwork for me, thanks!

Pure Music Magic Wizardry

By Josh
Rated 5 out of 5
Date: 2026-06-25

The FiiO M33 sits in the mid-price range for digital audio players, and it really delivers for the cost. Its use of R2R ladder DAC technology in such a small device is impressive. The sound is natural, a bit analog, and very smooth. If you are looking for a DAP, this one is a great choice.

See any errors on this page?

Can the Fiio M33 download my music library from my

Can the Fiio M33 download my music library from my iPhone and can it stream music from Apple Music?
Asked by: Kenneth
If you want to move your music library onto the FiiO M33 R2R Portable Hi-Res Lossless Music Player (Blue), that would need to be done manually. The FiiO M33 R2R Portable Hi-Res Lossless Music Player (Blue) is compatible with Apple Airplay, so if it is on the same wi-fi network as your other Apple devices, you will be able to stream music from those devices directly onto the M33 R2R.
Answered by: David M
Date published: 2026-05-17
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