10 Best Mp 4 Players 2026 in the United States

The FiiO M21 is a solid choice if you want a portable music player that handles lots of file types and offers excellent sound quality. It has a decent 64GB of storage, which is good for storing many songs, and its Android 13 system means you can run popular music apps smoothly. The 4.7-inch screen is neither too big nor too small, making it comfortable to navigate your music library.

One of its standout features is the advanced sound hardware — four DAC chips and a special amplifier design deliver clear, detailed audio, which audiophiles will appreciate. The player supports both standard 3.5mm and 4.4mm headphone outputs, plus SPDIF and USB audio output, giving you versatile options to connect to headphones or external sound systems. The device also supports Bluetooth and Wi-Fi, so you can enjoy wireless listening and app-based streaming. It’s a bit heavier than typical players, which may affect portability slightly.

If you want a user-friendly interface with strong audio performance and the flexibility of Android apps, the FiiO M21 is a good fit. However, if long battery life and ultra-lightweight design are your top priorities, you might want to look elsewhere.

The FiiO M17 Portable Desktop-Class Music Player is a high-end device designed for audiophiles who demand top-notch audio quality. Key strengths include its superior DAC and amplification technology, which ensures excellent sound clarity and minimal distortion. The device also features robust connectivity options, including multiple headphone and line-out outputs, USB ports, and Bluetooth 5.0, making it versatile for various audio setups.

The large 5.99-inch screen provides a good display size for navigation, and it runs on Android 10 OS, allowing the installation of third-party apps for a more personalized experience. The battery life is quite impressive, with a massive 9200mAh battery offering up to 10 hours of playback time, although the charging time is relatively long at 4.5 hours. The M17 also boasts a unique RGB ambient light system for added visual appeal and a cooling system to manage heat dissipation during extended use.

However, there are some drawbacks. The device is quite hefty, which might make it less portable for on-the-go use. Additionally, the internal storage capacity is only 4GB, which is quite limited, though it does support external micro SD cards for expanded storage. The price point may also be a consideration, as the advanced features and high-quality components make it a premium product. The FiiO M17 is best suited for serious music enthusiasts looking for desktop-level audio performance in a portable format, but it may be overkill for casual listeners or those seeking a more compact and lightweight player.

The AiMoonsa MP3 Player offers a generous 128GB storage capacity, expandable up to 256GB, allowing you to carry thousands of songs without worrying about space. It supports a wide range of audio formats including lossless types like FLAC and APE, ensuring good sound quality for music enthusiasts. Bluetooth 5.2 provides reliable wireless connectivity with efficient power use, helping to extend battery life. The player includes a built-in HD speaker, allowing you to listen without earphones, which is a handy feature though audio quality may be better with headphones.

Its compact size and lightweight zinc alloy build make it easy to carry around. The 1.7-inch screen uses a simple display, which may limit ease of navigation and visual feedback, especially when browsing music or using the e-book feature. The user interface employs touch buttons with backlighting to reduce noise, making operation quieter and more convenient in dark environments. Additional functions such as FM radio (which requires wired earphones as an antenna), voice recorder, alarm clock, and an e-book reader add versatility, making it suitable for users who want a multi-purpose device beyond just music.

Included accessories like wired earphones, a card reader, and a Type-C cable help you get started right away. With its feature set and ease of use, this player is ideal for active users or those seeking a simple, durable device for music and audio on the go, rather than individuals looking for a touchscreen media player or advanced display options. Its strong audio support and compact design are among its definite strengths.