- 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 | |||
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 | |||
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 | |
USB Audio: 768kHz-32bit/DSD512 (supports DoP/D2P/Native) | System navigation mode | Supports gesture navigation, 2-button navigation and 3-button navigation | |
Firmware upgrade | Supports upgrade from local storage/memory card/OTA |
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Power Supply Parameters | |||
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 | |||
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 | |||
Volume level | 41 | Gain level | High gain |
Display status | OFF | Playing track and format | MP3 44.1kHz/16bit |
EQ | OFF | Load | 32Ω |
Audio Parameters | |||
Parts of performance and parameters of PO (Super High Gain mode) | |||
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) | |
L+R≥60mW+60mW (300Ω, THD+N＜1%) | SNR | ≥125dB (A-weighted) | |
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) | |||
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) | |
L+R≥15mW+15mW (300Ω, THD+N＜1%) | SNR | ≥120dB (A-weighted) | |
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 | |||
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) | |||
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) | |
L+R≥240mW+240mW (300Ω, THD+N＜1%) | SNR | ≥125dB (A-weighted) | |
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) | |||
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) | |
L+R≥55mW+55mW (300Ω, THD+N＜1%) | SNR | ≥122dB (A-weighted) | |
About FiiO Electronics Technology Co., Ltd.
01 Brand Introduction - HiFi+Fashion
FiiO Electronics Technology Co., Ltd. was established in 2007. It is a high-tech enterprise that combines research, development, production and sales, and its sales are mainly based on its own FiiO brand as opposed to OEM/ODM. It focuses on digital audio, with current mainstay products being portable headphone amplifiers, DAC / amps and portable digital audio players.
FiiO: It is composed of Fi (Fidelity) from HiFi and iO (represents number 1 and 0) which indicates the sincerer feeling and more convenient life the digital tech has brought to us.
飞傲: The Chinese transliteration of FiiO, as well as representing youthful vigor and the active & innovative spirit of the company.
Audio products are meant to fulfill the spiritual pleasure of users.
- FiiO provides products and service related to music.
- We also hope to bring happiness to our users with the provided products and service, which is also the key value of FiiO.
Customer Service
- Good after-sales service, more reliable
- Great user experience, more pleasure
- Variety of activities, more involved
About products
- Affordable: FiiO products are well-known for its feature of high cost-performance. Lowering the entry level to make more customers can afford.
- Easy to use: FiiO pays great attention to the user experience. We are not only provide products with high quality, but also easy to use and with long lasting durability.
- More accessories bring more fun: Enable to play in a variety way and use under more possible environments.
- Updates available: Equipped with a variety of ports, it makes the music players can still connect to external amp/DAC for upgraded enjoyment.
- Endless transformability available: With replaceable amp module and expandable storage, the X7 can bring more playability.
02 Company Profile
Research & Development Team
- Twenty years of R&D experience in audio products
- Former core R&D team for audio products from OPPO
- A team of 20 professional R&D engineers in software, hardware, industrial design, structure and electro-acoustic.
Research & Development Investment
FiiO keeps bringing in advanced equipments and high-tech talents so as to ensure the stable growth and long term competitive edge. Up till now, the team size has expanded three times than that of 2007 when we established.
Team Composition
The R&D team is made up of development dep, engineering dep and QC dep, with 60+engineers in total.
Authorized certifications
FC, CE, KC, CCC and ISO9001:2008 ensure the safety and quality of the products.
Production management
FiiO has strict requirements to production with almost “zero tolerance” even to small problems, which is strictly in compliance with the International Quality Management System ISO9001.
QC Equipment
- a. AP audio analyzer (valued at 200,000RMB).
- b. Life-span test platform against high & low temperature, swing and plug & unplug trial.
- Aging test carriage towards mass production.
- Aging test machine under high & low temperature.
Customer oriented
Driven by customers’ needs, we innovate constantly and response promptly to the market changes. We develop new products based on customers’ needs and compete for more market shares.
Company culture - Our Vision
Brand Spirit
- Innovation
the earliest company that designed the minimum volume headphone amplifier. First dockable amp & DAC product. First amp specially designed for iPod/iPhone. First amp with adjustable power supply and power supplied by mobile phone battery. First multifunctional headphone amp & DAC for Android smarphone. First Hi-Res music player at a price lower than 1000RMB supporting 192K music. First Android-based Hi-res music player.
- Quality
Repair Rate < 1%. Sound Quality Control system. Original components imported from TI, Wolfson, Maxim. Company-wide quality control. +20 quality engineers and inspectors. Complete testing facilities.
- Service
CEO at the frontline of customer service. 100% response to enquiries. The most popular headphone amplifier brand on Head-Fi. First class website and contents in the audio industry. Interaction with and support to customers on Facebook and Microblog (twitter-like social website).
Brand Mission
FiiO designs, produces and sells high-quality products at favorable prices to those who love music and style.
Buon DAP
Soddisfatto dal prodotto, anche se ho avuto qualche problema nel trasferire i file musicali sulla microSD da 1 TB non so se dipende dal DAP o dalla scheda, comunque risolto collegando la scheda direttamente al PC. Buono il suono e la capacità di pilotaggio delle cuffie, anche di quelle un po meno sensibili.
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