The FiiO JM21 player is a sleek and robust device tailored for individuals who appreciate superior sound quality and contemporary features. With a case thickness of just 13 mm, it is highly portable, making it easy to carry wherever you go. Its well-considered design, combined with a strong amplifier, ensures exceptional music playback.
The JM21 features an audio system capable of delivering up to 700 mW per channel, making it suitable for high-impedance headphones. To ensure optimal power distribution across all components, it utilizes a segmented power supply with four independent regulators, effectively reducing noise and promoting stable device performance.
User control is straightforward, thanks to the Android 13 operating system, which supports the installation of various music applications and facilitates sound adjustments. With three gain settings and three distinct volume curves, users can enjoy comfortable listening experiences, whether using in-ear or over-ear headphones.
Equipped with two-way Bluetooth 5.0 and the LDAC codec, the player not only plays music but also streams it to external Bluetooth devices while preserving high audio quality. It offers 3.5 mm and 4.4 mm analog outputs for connecting headphones and active speakers.
Powered by the Qualcomm Snapdragon 680 processor, the FiiO JM21 ensures efficient performance with minimal power consumption. It boasts a battery life of up to 12.5 hours on a single charge, allowing for extended music enjoyment throughout the day.
The FiiO JM21 player merges cutting-edge technology with a sleek design, delivering a distinctive listening experience. With a thickness of just 13 mm and a weight of 156 g, it fits comfortably in your hand, while the 4.7-inch HD screen enhances your music enjoyment.
The player features dual Cirrus Logic CS43198 DACs paired with SGM8262 operational amplifiers, providing fully balanced audio output characterized by an extensive dynamic range and precise sound reproduction. Its proprietary Digital Audio Purification System (DAPS), equipped with a 5th-generation FPGA and dual femtosecond oscillators, effectively reduces distortion and guarantees stable signal transmission.
The FiiO JM21 is capable of asynchronous USB DAC mode, enabling it to function as an external sound card with a maximum resolution of 384 kHz/32 bit. It also includes built-in Bluetooth 5.0 with two-way LDAC transmission, ensuring compatibility with both headphones and audio sources. Furthermore, it offers SPDIF and USB Audio digital outputs, facilitating connections to external DACs and allowing it to serve as a source within an audio system.
Significant emphasis has been placed on component isolation, with dedicated zones for the DAC, amplifier, and control elements to minimize crosstalk and maintain sound clarity. The design incorporates separated power supply circuits and low noise levels, achieved through independent LDO regulators, to ensure optimal performance and precise audio reproduction.
FiiO JM21 Specifications:
- Material: Aluminum alloy + plastic
- Dimensions: 120.7 x 68 x 13 mm
- Weight: About 156g (without case)
- Processor: Qualcomm Snapdragon 680
- RAM & Storage: 3GB RAM + 32GB ROM (22GB Available)
- Storage expansion: microSD support up to 2TB
- OS: Android 13
- Operating modes: Android mode, pure music mode, USB DAC mode, Bluetooth receiver mode
- Wi-Fi: 2.4 GHz/5 GHz, supports DLNA, AirPlay, music streaming via Wi-Fi
- DAC: Two CS43198
- Operational Amplifiers: Two SGM8262
- Screen: 4.7 inches HD (750 x 1334)
- Outputs: Single-ended 3.5mm PO/SPDIF, balanced 4.4mm
- USB connector: Type-C USB 2.0 for data transfer/charging/USB audio
- Bluetooth version: 5.0
- Bluetooth codecs: SBC, AAC, aptX, aptX HD, LHDC, LDAC
- Local decoding: PCM up to 384kHz/32bit, DSD256 (native)
- USB DAC: PCM up to 384kHz/32bit, DSD256 (native)
- USB Audio: PCM up to 768kHz/32bit, DSD512 (DoP/D2P/native support)
- Coaxial output: PCM up to 384kHz/24bit, DSD128 (DoP/D2P support)
- Output Power 1: 245mW + 245mW (32Ω, THD+N < 1%, single-ended)
- Output Power 2: 700mW + 700mW (32Ω, THD+N < 1%, balanced)
- Signal to noise ratio: ≥130 dB
- Noise level: <1.5 µV
- Output impedance: <1Ω
- Total Harmonic Distortion (THD+N): <0.0006%
- Battery: 2400 mAh
- Operating time: 12.5 hours (single-sided), 9.5 hours (balanced)
- Charging time: about 2 hours (5V, 2A)
Price : $200
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