
Best selling MP3s + Portable Audio Players from FiiO
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1. FiiO M33 R2R
The FiiO M33 R2R is a portable Hi-Res audio player that brings FiiO's self-developed, fully differential 24-bit R2R DAC architecture into a compact, mobile format for the first time. This technology combines the analog warmth of classic R2R converters with high resolution and precision. All of this results in a natural, detailed, and balanced sound at a reference level. The M33 R2R is powered by a Qualcomm Snapdragon 680 processor with 8 GB of RAM. It runs on Android 13 as its operating system. The internal storage of 128 GB can be expanded via a MicroSD card up to 2 TB. A dedicated XMOS XU316 USB chip ensures extremely low latency and perfect audio synchronization in USB DAC mode. The powerful headphone amplifier delivers up to 1100 mW + 1100 mW at 32 ohms (balanced) and effortlessly drives both sensitive in-ear monitors and demanding over-ear headphones. The 5.5-inch Full HD touchscreen display with durable Gorilla Glass 3 provides a clear representation, complemented by stylish displays such as a VU meter. Additional features include a 10-band PEQ with AUTO-EQ, dual USB-C ports with desktop mode, Bluetooth 5.0 with SBC/aptX/aptX HD/LHDC/LDAC, and a battery life of up to 15.5 hours. With 3.5 mm and 4.4 mm jacks that can function as either headphone or line-out, as well as coaxial SPDIF digital output and USB audio, the M33 R2R can be used flexibly in portable setups or integrated into stationary systems. In desktop mode, the battery is conserved while providing consistently high output power—ideal for use as a high-quality desktop DAC, headphone amplifier, or network streamer. Despite its extensive features, the FiiO M33 R2R remains pleasantly compact and comfortable to carry, weighing only about 258 g and featuring a slim design. A leather protective case and a hardened screen protector (pre-installed) are included in the package.

2. FiiO M21
The FiiO M21 is a compact high-res audio player with an Android operating system. The fast Snapdragon 680 octa-core processor and 4 gigabytes of RAM ensure smooth operation of the Android system and all apps from the streaming services of your choice. The four CS43198 DAC chips convert all common digital formats up to 384 kHz at 24 bit, DSD512 and MQA x8. The M21 plays music either from the 64 GB internal memory or from an additional microSD card. You can use streaming services via WLAN, play music via DLNA or ROON, and stream directly to the device with Apple devices via AirPlay. Via USB, it offers a USB DAC mode for computers and an OTG mode as a streamer.
Bluetooth works both as a receiver, for example from a laptop, and as a transmitter, for example to headphones or speakers. The M21 doesn't just feel at home on the move - it can also show what it can do when stationary. It has a desktop mode for this purpose. This mode bypasses the battery and thus protects it in the long term. As a stationary player, you can use the unbalanced 3.5 mm or the balanced 4.4 mm output as a line-out. The 3.5 mm output can also be used as a digital coaxial output. If the M21 is connected to an optional USB-C power supply unit, it offers up to 950 mW of power for headphones in super-high gain mode. Even in battery mode, it delivers enough power (up to 720 mW) to drive even demanding headphones with ease. The scope of delivery includes a pre-installed screen protector and a blue imitation leather case. This protects the M21 from the very first moment of daily use. The compact size, the battery life of up to 15 hours and the wide range of possibilities make the M21 a versatile all-rounder that you won't want to let go of.
Pro
- Housing of very high quality
- Very good sound quality
- screen resolution is very good - almost at today's smartphone level

3. FiiO DM13 BT
The FiiO DM13 BT is a portable CD player that combines retro charm with modern technology and has been specially developed for music lovers who want to rediscover their CD collection without having to sacrifice modern convenience. In addition to classic CD playback, the DM13 BT supports a wide range of digital audio formats such as MP3, FLAC, WAV, WMA and AAC, offering a high degree of flexibility in use. Particularly noteworthy is the Bluetooth function of the DM13 BT, which supports aptX HD and aptX Low Latency for wireless and lossless transmission to Bluetooth headphones or speakers.
There are 3.5 mm and 4.4 mm headphone connections on the front of the DM13. The DM13 BT also offers connection options for active loudspeakers, amplifiers or DACs. The inserted CD can be seen through the transparent window in the lid of the DM13 BT. With its compact design and robust aluminium construction, the DM13 BT is suitable not only for mobile but also for stationary use. The electronic shock protection prevents interruptions to music playback on the move and the option of supplying the player directly with power via desktop mode protects the battery during prolonged use. The integrated rechargeable battery provides up to 10 hours of uninterrupted playback, enabling long listening sessions on the move.
Another highlight of the DM13 BT is the CD ripper function, which can be used to convert CDs into lossless WAV files and save them to a USB storage medium. The seamless playback, the option to save favourites and the sophisticated operating concept with a clear LCD display make the FiiO DM13 BT the ideal companion for anyone who wants to get the most out of their music collection.
Pro
- Good sound
- Design, quality, compact
- Also plays old or self-copied CDs in good quality
Contra
- Operation takes some getting used to
- Inadequate operating instructions
- Different modes somewhat fiddly to operate

4. FiiO CP13
With the portable cassette player CP13, FiiO bridges the gap between nostalgic design and modern technology. The CP13 brings a true Walkman to the market. This unique device is the result of intensive collaboration with all stakeholders in the supply chain to ensure the highest stability and quality at all levels. Special attention has been given to the playback of analog signals, utilizing a specially designed, stable mechanism and a particularly reliable flywheel. The goal of the purely analog circuitry is to reproduce the characteristic classic analog sound. The integration of Bluetooth and recording functions has been deliberately omitted to preserve the authenticity and quality of the analog sound. Instead, the thickness of the device has been optimized, and an internal lithium battery has been used, making the CP13 not only more compact but also more user-friendly. The support for various cassette types from Type I to IV highlights the versatility of the device. A long battery life of up to 13 hours, along with generous buttons and a tactile volume dial, enhances the user experience. With its thoughtful design and focus on the characteristic analog sound quality, the CP13 is both a tribute to the past and a vision for the future of music playback.
Pro
- Simple, functional design
- Sound O.K
- Minimalist design
Contra
- No Bluetooth
- Type 1 cassettes only

5. FiiO Snowsky DISC
The FiiO Snowsky DISC is a portable high-resolution audio player that combines audiophile music enjoyment with an appealing, retro-inspired design. Its round, fully laminated touch display recalls classic CD players, while modern technology is housed in a compact aluminum casing. Equipped with two CS43131 DACs in a fully symmetrical architecture, the player delivers precise and detailed sound reproduction with an impressive output power of up to 280 mW at 32 ohms. The Snowsky DISC supports high-resolution audio formats such as FLAC, AIFF, DSD, and WAV with sampling rates of up to 384 kHz. Playback occurs locally via an optional microSD card with a capacity of up to 2 TB. The specially developed Linux platform ensures interference-free use without distractions from apps. With Bluetooth 5.4, a coaxial S/PDIF output, and a bidirectional USB-C port, the player offers extensive connectivity options. Two headphone jacks (3.5 mm and 4.4 mm) provide maximum flexibility, while eight pre-installed EQ presets and digital filters allow for personalized sound tuning. The battery life lasts up to 12 hours, and numerous features such as OTA updates, AirPlay, and Roon Ready expand the range of use.
- Retro-inspired design with cutting-edge technology
- Dual DAC architecture for precise sound
- Supports high-resolution audio formats up to 384 kHz
- Extensive connectivity with Bluetooth 5.4 and USB-C
- Personalized sound tuning with EQ presets and filters.

6. FiiO JM21
The FiiO JM21 is a portable hi-fi music player that combines technology and design at a high level. Only 13 mm thin, 156 grammes light and equipped with a 4.7-inch HD touchscreen display, it offers high mobility, a good feel and a user-friendly interface. 64 GB of internal memory and a compartment for microSD memory cards offer space for local storage of music files. The Android 13 operating system ensures smooth performance. A huge selection of music can be accessed via streaming services such as Spotify, Tidal, Apple Music, Qobuz etc. Two Cirrus Logic CS43198 DAC chips and SGM8262 amplifiers ensure balanced audio output with precise sound reproduction and impressive dynamic range. The integrated headphone amplifier offers an output power of up to 700 mW per channel and drives even high-impedance headphones with ease. With a 3.5 mm and a balanced 4.4 mm socket, the JM21 offers headphone connection options for a first-class listening experience. The FiiO JM21 also supports Bluetooth 5.0 with aptX HD, LDAC and AAC for high quality wireless audio transmission. The 3100 mAh battery offers an impressive playback time of up to 16 hours. The battery is fully charged in 2.5 hours and is therefore quickly ready for use again. The device is not only technically sophisticated, but also visually appealing, which is emphasised by the elegant and compact design. The FiiO JM21 is the ideal choice for anyone looking for a portable music player that combines exceptional sound quality, modern functions and high-quality workmanship in a compact format.

7. FiiO DM15 R2R
The FiiO DM15 R2R is a portable CD player that stands out for its elegant design and advanced technology. With its R2R digital-to-analog converter architecture, this device offers precise sound reproduction characterized by a natural tonal quality. The player supports a variety of audio formats, including DSD512 and PCM up to 768 kHz/32-bit, making it an excellent choice for audiophiles. Bluetooth support allows for wireless connectivity to various devices, while the dual ES9039SPRO DAC configuration ensures an exceptional signal-to-noise ratio. With a compact design and a weight of just 471.5 grams, the DM15 R2R is ideal for mobile use and provides a battery life of up to 7 hours. The integrated LCD screen allows for easy navigation through audio content.
- R2R digital-to-analog converter architecture for natural sound reproduction
- Supports high-resolution audio formats like DSD512 and PCM up to 768 kHz/32-bit
- Bluetooth 5.4 for wireless audio transmission
- Dual ES9039SPRO DAC configuration for excellent audio quality
- LCD screen for easy navigation and operation.
Pro
- Excellent sound
- Practical application

8. FiiO Snowsky ECHO Mini
The Snowsky Echo Mini Pink is a compact and portable MP3 player specifically designed for audiophiles who value high-quality sound reproduction. With a design that is only slightly larger than that of a typical wireless headphone case, this player delivers impressive sound quality thanks to the dual CS43131 DAC chips. These provide exceptional clarity and detail across various music formats. The Echo Mini Pink supports both 3.5mm and 4.4mm headphone jacks, making it versatile for different uses. With 8GB of internal storage, expandable via a microSD card up to 256GB, users can carry a vast music collection. The Bluetooth 5.3 connectivity allows for stable wireless audio streaming. The industrial design with physical buttons ensures intuitive navigation, while the pink finish adds a unique aesthetic appeal to the device. With a battery life of up to 15 hours, the Echo Mini Pink is perfect for longer listening sessions.
- Dual CS43131 DAC chips for high sound quality
- Expandable storage up to 256GB
- Bluetooth 5.3 for stable streaming
- Intuitive navigation with physical buttons.
Pro
- Small and handy
- Background selectable
- Walkman aesthetics
