# Portable Hi-Res Music Player FiiO JM21 (4GB RAM + 64GB Storage) Black

**URL:** https://aio.lv/en/product--fiio-6953175761402--12067985
**Data updated:** 2026-04-01 17:31 (EEST)
**Category:** MP3 & MP4 Players
**Manufacturer:** FiiO
**Manufacturer code:** 6953175761402
**EAN:** 6953175761402
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

FiiO JM21 is a portable Hi-Res music player in black with 4GB RAM and 64GB internal storage. Designed for high-quality audio playback, it supports lossless formats and on-device music library management. Suitable for daily listening, offline music collections, and use with wired headphones or external DACs; ideal for audiophiles seeking compact Hi-Res playback.

## Long description

The FiiO JM21 is a portable Hi-Res music player in black with 4GB of RAM and 64GB of internal storage. It is built for high-quality audio playback and supports a range of lossless audio formats, enabling on-device library management and offline listening. The compact form factor and dedicated audio hardware make it suitable for users who want accurate sound reproduction from wired headphones or when using an external digital-to-analog converter (DAC).
Advantages
The device offers low-latency performance thanks to 4GB of RAM and provides substantial local storage for large lossless music collections. Its Hi-Res audio capability ensures support for high-sample-rate and high-bit-depth files, while physical controls and a dedicated audio path reduce interference for clearer playback. The design prioritizes portability and battery efficiency so it can be used throughout the day without frequent charging.
Suitable for
Listening to lossless and high-resolution audio files on the go
Building and managing an offline music library
Using with wired headphones for critical listening
Connecting to an external DAC for improved sound quality
Portable everyday music playback during travel or commuting
Key specifications
Memory: 4GB RAM for smooth operation and low-latency playback
Storage: 64GB internal storage for local music and playlists
Audio support: Hi-Res playback and multiple lossless audio formats
Connectivity: Wired headphone output and support for external DAC connection
Form factor: Compact, portable design suitable for handheld use
Battery: Designed for extended playback time on a single charge
How to use
Transfer music files to the player using a USB connection or by loading files onto the internal storage. Use the onboard music library interface to scan, organize and create playlists. Connect wired headphones directly for immediate playback, or attach an external DAC via the supported output to leverage its dedicated audio path. Adjust playback settings and equalization as needed for desired tonal balance.
Usage recommendations
For best audio results, use high-quality lossless files and a good pair of wired headphones or a compatible external DAC. Keep firmware up to date and use the device’s library functions to maintain organized playlists for quick access to favorite albums and tracks.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All FiiO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized FiiO service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12067985/67552932_large.webp