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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 |
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Working mode |
Android/Pure music/USB DAC/Bluetooth Receiving/AirPlay/Roon Ready |
Color |
Deep blue/Stainless steel |
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Dimensions |
About 75.7x136.5x18.1mm |
Dimensions |
About 299g (Deep blue)/About 392.3g (Stainless steel) |
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Display |
5.5-inch bezel-less screen (1440*720 resolution ratio) |
Volume control way |
Slide or button control |
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RAM |
4GB |
Internal storage/available space (ROM) |
64GB/about 46GB |
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Memory card |
Single microSD card expansion, up to 2TB in theory) |
Gain mode |
Super High (for fast charge)/High/Medium/Low Gain modes |
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Channel balance |
L20~R20 (0.5dB per level) |
Adaptive impedance |
PO: 8~150Ω BAL: 8~350Ω |
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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 |
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Headphone out |
3.5 mm |
Line output |
3.5 mm (shared PO) |
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BAL headphone out |
4.4 mm |
BAL line output |
4.4 mm (shared BAL) |
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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) |
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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 |
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Bluetooth reception (5.0) |
SBC/AAC/LDAC |
FIIO Link |
Android supports WiFi and Bluetooth control, iOS supports WiFi control |
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MQA |
Supports MQA full decoding |
All to DSD |
Supported |
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Double tap to wake up |
Supported |
In-vehicle mode |
Auto on/off following the USB of the vehicle |
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Max supported sampling rate |
Local decoding: up to 384kHz-32bit/DSD256 |
Power off timers |
Supports Sleep/Idle power off |
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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 |
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Charging time |
About 2.5 hours (PD3.0 fast charge mode) |
Standby time |
>1000h |
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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 |
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Display status |
OFF |
Playing track and format |
MP3 44.1kHz/16bit |
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EQ |
OFF |
Load |
32Ω |
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4.4mm BAL headphone out: 9 hours |
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Volume level |
41 |
Gain level |
High gain |
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Display status |
OFF |
Playing track and format |
MP3 44.1kHz/16bit |
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EQ |
OFF |
Load |
32Ω |
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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 |
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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) |
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Frequency response |
20Hz~20kHz: damping<0.1dB |
Peak output voltage |
12 Vp-p |
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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 |
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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) |
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Frequency response |
20Hz~20kHz: damping<0.1dB |
Peak output voltage |
6 Vp-p |
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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) |
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Crosstalk |
≥110dB (1kHz@10kΩ) |
Noise floor |
≤1.1μV (A-weighted) |
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Frequency response |
20Hz~20kHz: damping<0.1dB |
Line output level |
2.0Vrms |
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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 |
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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) |
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Frequency response |
20Hz~20kHz: damping<0.1dB |
Peak output voltage |
23.5 Vp-p |
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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 |
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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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-14% Black Friday 2025
Our all time best Promotion
Are some products out-of-stock? Please Contact Us
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