FiiO M23 Portable High Resolution Music Player
- Portable Hi-Res Lossless Android Music player
- AKM AK4191EQ+AK4499EX High-End DAC Setup
- 4-Way Fully-Balanced THX AAA 78+ Amp Section
- 1000mW Per-Channel Powerful Output
- 4-Stage 20-Rail Power Supply Architecture
- Digital Audio Purification System
- Global PEQ Function
- Global All to DSD
- Qualcomm Snapdragon 660 SoC
- 28-High-Capacity Polymer Tantalum Capacitors
- Dual-mode Fast-Charging
- Dedicated Desktop Mode
- Dual USB Ports
- 5500mAh High-Capacity Battery WIth Fast Charging Support(up to 30W)
DAC upgraded from ES9068AS to AKM flagship DAC combination AK4191EQ+AK4499EX. Headphone amplifier upgraded to THX 78+, with a 54% increase in output power at 32Ω and a remarkable 162% increase at 300Ω when the Super Large Ear Mode is activated. Added an independent desktop mode switch, allowing for one-key activation of the desktop mode. Introduced a separate charging and power supply interface. When using POWER IN for charging, the Super Charge Pump can be activated, reaching a maximum charging current of 5.5A. Charging nearly 50% can be achieved in half an hour, 80% in one hour, and a full charge takes only 2 hours, reducing charging time by 43% compared to M11Plus.
AKM Latest Flagship DAC Chipset
At the very heart and core of the latest M23, we have AKM’s latest AK4499EX and AK4191EQ DAC chipset. This 32-bit Velvet tech DAC from AKM Technologies promises an exceptionally solid sound signal decoding ensuring true high-resolution PCM and DSD audio signal decoding with ultra-low distortion and high SNR performance.
High-Power Output
With the help of a fully balanced 4-channel THX AAA 78+ amp section, the FiiO M23 produces a high-power output. It delivers a maximum output of up to 1W per channel when used in Desktop Mode. With such a humongous powerful output, The FiiO M23 can easily drive most IEMs and Headphones with ease.
Dual USB Connection Ports
FiiO M23 is the brand’s first portable Audio player to feature dual independent USB ports. One of these ports is a dedicated power input port which can be used to connect to a power adapter and charge the device or use it in dedicated Desktop Mode. The other port can be used with smartphones and other deevices to be used as a dedicated USB DAC/Amp.
Independent Digital and Analog Power Supply
FiiO has specially developed a 4-stage 20-rail power supply architecture for the M23. This provides a solid foundation for the digital and analog sections on the device and provides them with an independent and isolated current for optimal performance.
FiiO’s Special Digital Audio Purification System(DAPS)
FiiO has developed a Digital Audio Purification System(DAPS) that combines a FiiO-developed HiFI audio core that bypasses the Android system and a low-jitter femtosecond clock processor. Together, the system provides a unified Hi-Res audio performance across different applications on the Android system and promises top-level sonic performance across each application.
High-Capacity Battery WIth Fast Charging Support
FiiO M23 houses a large 5500mAh battery with 30W fast-charging support. The M23 has a solid battery life of up to 10.5 hours in single-ended mode and up to 9 hours in balanced connection mode. It supports 30W fast charging that charges the device up to 80% within 1 hour.
General Specifications
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Name/Model |
M23 |
Hardware solution |
SoC: Snapdragon 660, DAC: AK4191EQ+AK4499EX, Amp: 4-way THX AAA-78+, charging: AW32271 |
Working mode |
Android/Pure music/USB DAC/Bluetooth Receiving/AirPlay/Roon Ready |
Color |
Deep blue/Stainless steel |
Dimensions |
About 75.7x136.5x18.1mm |
Dimensions |
About 299g (Deep blue)/About 392.3g (Stainless steel) |
Display |
5.5-inch bezel-less screen (1440*720 resolution ratio) |
Volume control way |
Slide or button control |
RAM |
4GB |
Internal storage/available space (ROM) |
64GB/about 46GB |
Memory card |
Single microSD card expansion, up to 2TB in theory) |
Gain mode |
Super High (for fast charge)/High/Medium/Low Gain modes |
Channel balance |
L20~R20 (0.5dB per level) |
Adaptive impedance |
PO: 8~150Ω BAL: 8~350Ω |
Buttons and Ports |
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Buttons |
Power button*1; Multifunction button*1;volume touch panel*1; Play/Pause*1; Previous track*1; Next track*1 |
Toggle switch |
HOLD*1; D.MODE*1 |
Headphone out |
3.5 mm |
Line output |
3.5 mm (shared PO) |
BAL headphone out |
4.4 mm |
BAL line output |
4.4 mm (shared BAL) |
COAX headphone out |
3.5 mm (shared PO, supports up to 384kHz-24bit/DSD128) |
USB |
Type-C USB3.0*1 (charging/data transmission)+Type-C POWER IN*1 (Charging/Independent power supply) |
Characteristics |
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WiFi |
2.4GHz/5GHz, supports multimedia service (DLNA), AirPlay, WiFi song transfer, Roon Ready, etc. |
Bluetooth transmission (5.0) |
SBC/AAC/aptX/aptX HD/LDAC/LHDC |
Bluetooth reception (5.0) |
SBC/AAC/LDAC |
FIIO Link |
Android supports WiFi and Bluetooth control, iOS supports WiFi control |
MQA |
Supports MQA full decoding |
All to DSD |
Supported |
Double tap to wake up |
Supported |
In-vehicle mode |
Auto on/off following the USB of the vehicle |
Max supported sampling rate |
Local decoding: up to 384kHz-32bit/DSD256 |
Power off timers |
Supports Sleep/Idle power off |
USB DAC: up to 384kHz-32bit/DSD256 |
EQ adjustment |
10-band dynamic EQ adjustment (±12dB), built in 8 types of preset EQ, self-define EQ, supports PEQ |
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USB Audio: 768kHz-32bit/DSD512 (supports DoP/D2P/Native) |
System navigation mode |
Supports gesture navigation, 2-button navigation and 3-button navigation |
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Firmware upgrade |
Supports upgrade from local storage/memory card/OTA |
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Power Supply Parameters |
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Power Supply |
Supports QC3.0, QC4.0, PD2.0, PD3.0 PPS fast charge |
Battery capacity |
5500mAh |
Charging time |
About 2.5 hours (PD3.0 fast charge mode) |
Standby time |
>1000h |
Battery life and test conditions |
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3.5mm headphone out: 10.5 hours |
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Volume level |
52 |
Gain level |
High gain |
Display status |
OFF |
Playing track and format |
MP3 44.1kHz/16bit |
EQ |
OFF |
Load |
32Ω |
4.4mm BAL headphone out: 9 hours |
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Volume level |
41 |
Gain level |
High gain |
Display status |
OFF |
Playing track and format |
MP3 44.1kHz/16bit |
EQ |
OFF |
Load |
32Ω |
Audio Parameters |
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Parts of performance and parameters of PO (Super High Gain mode) |
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Output power |
L+R≥480mW+480mW (16Ω , THD+N<1%) |
Output impedance |
<1Ω |
L+R≥440mW+440mW (32Ω, THD+N<1%) |
THD+N & Noise |
≤0.00038% (1kHz/-6dB@32Ω) |
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L+R≥60mW+60mW (300Ω, THD+N<1%) |
SNR |
≥125dB (A-weighted) |
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Crosstalk |
≥72dB (1kHz@32Ω) |
Noise floor |
≤1.9μV (A-weighted) |
Frequency response |
20Hz~20kHz: damping<0.1dB |
Peak output voltage |
12 Vp-p |
20Hz~80kHz: damping<1.1dB |
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Parts of performance and parameters of PO (High gain) |
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Output power |
L+R≥235mW+235mW (16Ω , THD+N<1%) |
Output impedance |
<1Ω |
L+R≥125mW+125mW (32Ω, THD+N<1%) |
THD+N & Noise |
≤0.00046% (1kHz/-4.1dB@32Ω) |
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L+R≥15mW+15mW (300Ω, THD+N<1%) |
SNR |
≥120dB (A-weighted) |
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Crosstalk |
≥71dB (1kHz@32Ω) |
Noise floor |
≤1.9μV (A-weighted) |
Frequency response |
20Hz~20kHz: damping<0.1dB |
Peak output voltage |
6 Vp-p |
20Hz~80kHz: damping<1.1dB |
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Parts of performance and parameters of line-out |
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THD+N & Noise |
≤0.00043% (1kHz/0dB@10kΩ) |
SNR |
≥126dB (A-weighted) |
Crosstalk |
≥110dB (1kHz@10kΩ) |
Noise floor |
≤1.1μV (A-weighted) |
Frequency response |
20Hz~20kHz: damping<0.1dB |
Line output level |
2.0Vrms |
20Hz~80kHz: damping<1.1dB |
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Parts of performance and parameters of BAL headphone out (Super High Gain mode) |
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Output power |
L+R≥730mW+730mW (16Ω , THD+N<1%) |
Output impedance |
<2Ω |
L+R≥1000mW+1000mW (32Ω, THD+N<1%) |
THD+N & Noise |
≤0.00038% (1kHz/-12dB@32Ω) |
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L+R≥240mW+240mW (300Ω, THD+N<1%) |
SNR |
≥125dB (A-weighted) |
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Crosstalk |
≥117dB (1kHz@32Ω) |
Noise floor |
≤3.1μV (A-weighted) |
Frequency response |
20Hz~20kHz: damping<0.1dB |
Peak output voltage |
23.5 Vp-p |
20Hz~80kHz: damping<1.1dB |
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Parts of performance and parameters of BAL headphone out (High Gain mode) |
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Output power |
L+R≥630mW+630mW (16Ω , THD+N<1%) |
Output impedance |
<2Ω |
L+R≥475mW+475mW (32Ω, THD+N<1%) |
THD+N & Noise |
≤0.00039% (1kHz/-5.7dB@32Ω) |
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L+R≥55mW+55mW (300Ω, THD+N<1%) |
SNR |
≥122dB (A-weighted) |
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