Trustscore 4.8

FiiO M15S Digital Audio Player

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Key Features

  • Desktop-grade ES9038PRO DAC
  • Snapdragon 660SoC chipset supports smooth Android 10 OS
  • 64GB of internal storage with support for micro SD cards up to 2TB
  • Compatible with Apple Music, and third-party streaming apps through Google Play
  • Qualcomm’s QCC5124 Bluetooth chipset and two-way hi-res connectivity

FiiO M15S Digital Audio Player Overview

View this description in German

The FiiO M15S Digital Audio Player redefines what you can expect from a portable audio device, merging the best of both home and mobile audio systems without the distractions a smartphone imposes. It features the high-end ES9038Pro DAC and Snapdragon 660SoC, delivering unmatched audio fidelity and seamless operation, using an Android 10 OS to offer responsive, intuitive, and familiar user library navigation along with compatibility with third-party apps.


Its extensive connectivity options include advanced Bluetooth capabilities and two-way USB 3.0, allowing it to function both as a portable player and a desktop DAC/AMP. Capable of driving high-impedance headphones with up to 1.2W per channel, the M15S is versatile for all settings. This model comes with the FiiO DK3S Cooling Stand, making it easy to integrate into your home or office workspace and maintain smooth operation.

Product Ref: 294669

Full Description

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What's in the Box?

  • The FiiO M15S Digital Audio Player
  • Leather case
  • USB data and charging cable
  • FiiO DK3S cooling stand
  • Power cable for cooling dock
  • USB-C adaptor
  • Micro SD card pin tool
  • Quick start guide

Specifications

General

Name/Model M15S
Working mode Android mode

Pure music mode

USB DAC mode

Bluetooth receiving mode

AirPlay mode

Roon Ready
Colour Black
Size approx. 140x80x18.9mm
Screen 5.5-inch full-fit screen (resolution 1440 x 720)
RAM 4GB
Storage expansion Single TF card slot, up to 2TB (theoretically)
Hardware Soc: Snapdragon 660

DAC: ES9038PRO

Amplifier: 2 x OPA926

Crystal Oscillator: 2 x NDK Femtosecond Crystal Oscillator
Weight approx. 345g
Volume Control Type Button control or knob control
Body Memory/User Free Space (ROM) 64GB/About 46GB
Gain Ultra high (Quick charge)/Super high/high/medium/low
Recommended headphone impedance 8 ~ 150Ω (single-ended output)/8 ~ 350Ω (balanced output)
Channel balance L20~ R20 (0.5dB per level)

Buttons and interfaces

Button Physical key
Headphone output 3.5mm single-ended
Balanced output 2.5mm + 4.4mm balanced
Coaxial interface 3.5 mm (shared with PO port, up to 384kHz-32bit/DSD128)
USB TYPE C USB 3.0 (charging/data transmission)
Line output port 3.5 mm (shared with PO port)
Balanced line output interface 2.5mm balance + 4.4mm balance (shared with PO ports)

Features

WiFi 2.4GHz/5GHz, supports DLNA transmission and reception, AirPlay, WiFi transmission, Roon Ready, etc.
Bluetooth reception (5.0) SBC, AAC, aptX, aptX HD, aptX LL, LDAC, aptX Adaptive
MQA Global 8x decoding
Double click to wake up support Yes
Maximum supported sampling rate Native: Up to 384kHz-32bit/DSD256

USB DAC up to 384kHz-32bit/DSD256
Power-off timer Support power saving shutdown/sleep shutdown
Firmware Upgrade Support local storage upgrade + TF card local upgrade + OTA push upgrade
Bluetooth Transmitter (5.0) SBC, AAC, aptX, aptX HD, LDAC, LHDC
FiiO Link Android support WiFi and Bluetooth control, iOS support WiFi control
All to DSD support Yes
USB Audio 768kHz-32bit/DSD512 (DoP/D2P/Native)
Car mode Can follow the car USB automatic switch machine
EQ 10-band dynamic EQ adjustment (± 12dB), built-in 8 preset EQ, support custom EQ
Navigation control Gesture control/2-Bottom navigation/3-Bottom navigation

Power

Power supply Support QC3.0, QC4.0 and PD2.0 and PD3.0 quick charge
Charging time About 3.5 hours (QC3.0 quick charge mode)
Battery Capacity 6200mAh
Standby Time >1000h

Battery life test conditions

3.5mm headphone output: 10.5 hours

Volume 40
Screen status Off
EQ Off
Gain Super high
Track formats MP3 44.1kHz/16bit
Load 32 Ω

2.5mm + 4.4mm balanced output: 9 hours

Volume 29
Screen status Off
EQ Off
Gain super high
Tracks formats MP3 44.1kHz/16bit
Load 32 Ω

Audio parameters

PO output performance (Ultra high)

Output power 1 L+R=535mW+535mW(16Ω / THD+N<1%)
Output power 2 L+R=580mW+580mW(32Ω / THD+N<1%)
Output power 3 L+R=93mW+93mW(300Ω / THD+N<1%)
Crosstalk ≥ 80dB(1kHz/32Ω)
Frequency response 20Hz-20kHz(-0.5dB)

20Hz-50kHz(-1.0dB)
Output impedance ≤ 1.4 Ω(32 Ω)
THD+N ≤ 0.005%(1kHz/32Ω)
SNR ≥ 122.5dB(A weighted)
Noise floor ≤ 3.2 µV(A weighted)
Peak output voltage 15.0 Vpp

PO output performance (Super high)

Output power 1 L+R=475mW+475mW(16Ω / THD+N<1%)
Output power 2 L+R=395mW+395mW(32Ω / THD+N<1%)
Output power 3 L+R=57mW+57mW(300Ω / THD+N<1%)
Crosstalk ≥ 80dB(1kHz/32Ω)
Frequency response 20Hz-20kHz(-0.5dB)

20Hz-50kHz(-1.0dB)
Output impedance ≤ 1.4 Ω(32 Ω)
THD+N ≤ 0.005%(1kHz/32Ω)
SNR ≥ 121.0dB(A weighted)
Noise floor ≤ 3.2 µV(A weighted)
Peak output voltage 11.7 Vpp

Line output performance

THD+N ≤ 0.00034%(1kHz/10kΩ)
Crosstalk ≥ 106dB(1kHz/10kΩ)
Frequency response 20Hz-20kHz(-0.1dB)

20Hz-50kHz(-0.7dB)
SNR ≥ 124.0dB(A weighted)
Noise floor ≤ 1.2 µV(A weighted)
Line Output Level 2.0Vrms(1kHz/10kΩ)

Balanced headphone output performance (Ultra high)

Output Power 1 L+R=531mW+531mW(16Ω / THD+N<1%)
Output Power 2 L+R=1200mW+1200mW(32Ω / THD+N<1%)
Output Power 3 L+R=368mW+368mW(300Ω / THD+N<1%)
Degree of separation ≥105 dB(1kHz/32Ω)
Frequency response 20Hz-20kHz(-0.5dB)

20Hz-50kHz(-1.0dB)
Output impedance ≤ 2.3 Ω(32 Ω)
THD+N ≤ 0.00075%(1kHz/32 Ω)
SNR ≥ 121.5dB(A weighted)
Noise floor ≤ 5.2 µV(A weighted)
Peak output voltage 30.0Vpp

Balanced headphone output performance (Super high)

Output Power 1 L+R=531mW+531mW(16Ω / THD+N<1%)
Output Power 2 L+R=990mW+990mW(32Ω / THD+N<1%)
Output Power 3 L+R=226mW+226mW(300Ω / THD+N<1%)
Degree of separation ≥105 dB(1kHz/32Ω)
Frequency response 20Hz-20kHz(-0.5dB)

20Hz-50kHz(-1.0dB)
Output impedance ≤ 2.3 Ω(32 Ω)
THD+N ≤ 0.00075%(1kHz/32 Ω)
SNR ≥ 120.5dB(A weighted)
Noise floor ≤ 5.2 µV(A weighted)
Peak output voltage 23.7 Vpp

Audio format support

DSD DSD64/128/256("iso", ".dsf", ".dff"), DST ISO
DXD 352.8K/24bit
APE FAST/High/Normal 384kHz/24bit(MAX)
APE Extra High 192kHz/24bit(MAX)
APE Insane 96kHz/24bit(MAX)
Apple Lossless 384kHz/32bit(MAX)
AIFF 384kHz/32bit(MAX)
FLAC 384kHz/32bit(MAX)
WAV 384kHz/32bit(MAX)
WMA LOSSLESS 96kHz/24bit(MAX)
DTS 192kHz/24bit (MAX)
MQA Full Decoder
Lossy compression MP3, OGG, WMA, AAC and other formats

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