FiiO M15s

• Name/Model: M15S
• Hardware: Soc: Snapdragon 660, DAC: ES9038PRO, Amplifier: OPA926 * 2, Crystal Oscillator: NDK Femtosecond Crystal Oscillator*2
• Working Mode: Android mode/Pure music mode/USB DAC mode/Bluetooth receiving mode/AirPlay mode/Roon Ready
• Weight: About 345g
• Color: Black
• Volume Control Type: Button control or knob control
• Size: About 140x80x18.9mm
• Body Memory/User Free Space (ROM): 64GB/About 46GB
• Screen: 5.5-Inch full-fit screen (resolution 1440 * 720)
• Gain: Ultra high (Quick charge)/Super high/high/medium/low
• RAM: 4GB:
• Recommended headphone impedance: 8 ~ 150? (single-ended output)/8 ~ 350? (balanced output)
• Storage expansion: Single TF card slot, up to 2TB (theoretically)
• Channel balance: L20~ R20 (0.5dB per level)

BUTTONS AND INTERFACES:

• Button: Physical key
• USB: TYPE C USB3.0 (charging/data transmission)
• Headphone output: 3.5mm single-ended
• Line output port: 3.5 mm (shared with PO port)
• Balanced output: 2.5mm + 4.4mm balanced
• Balanced line output interface: 2.5mm balance + 4.4mm balance (shared with PO ports)
• Coaxial Interface: 3.5 mm (shared with PO port, up to 384kHz-32bit/DSD128)

• WiFi: 2.4GHz/5GHz, supports DLNA transmission and reception, AirPlay, WiFi transmission, Roon Ready, etc.
• Bluetooth Transmitter (5.0): SBC, AAC, aptX, aptX HD, LDAC, LHDC
• Bluetooth reception (5.0): SBC, AAC, aptX, aptX HD, aptX LL, LDAC, aptX Adaptive
• FiiO Link: Android support WiFi and Bluetooth control, iOS support WIFI control
• MQA: Global 8x decoding
• All to DSD: support
• Double click to wakeup: Support
• USB Audio: 768kHz-32bit/DSD512 (DoP/D2P/Native)
• Maximum supported sampling rate:
• Native: Up to 384kHz-32bit/DSD256
• USB DAC up to 384kHz-32bit/DSD256
• 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
• Power-off timer: Support power saving shutdown/sleep shutdown
• Navigation control: Gesture control/2-Bottom navigation/3-Bottom navigation
• Firmware Upgrade: Support local storage upgrade + TF card local upgrade + OTA push upgrade

POWER PARAMETERS:

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

3.5MM HEADPHONE OUTPUT: 10.5 HOURS:

• Volume: 40
• Gain: Super high
• Screen status: Off
• Tracks formats: MP3 44.1kHz/16bit
• EQ: Off
• Load: 32 ?

2.5MM +4.4MM BALANCED OUTPUT: 9 HOURS:

• Volume: 29
• Gain: super high
• Screen status: Off
• Play tracks and formats: MP3 44.1kHz/16bit
• EQ: Off
• Load: 32 ?

AUDIO PARAMETERS:

• PO output performance parameters (Ultra high)
• Output power 1: L+R=535mW+535mW(16? / THD+N<1%)
• Output impedance: = 1.4 ?(32 ?)
• Output power 2: L+R=580mW+580mW(32? /THD+N<1%)
• THD+N: = 0.0005%(1kHz/32?)
• Output power 3: L+R=93mW+93mW(300? / THD+N<1%)
• SNR: = 122.5dB(A weighted)
• Crosstalk: = 80dB(1kHz/32?)
• Noise floor: = 3.2 µV(A weighted)
• Frequency response:
• 20Hz~20kHz(-0.15dB) Peak output voltage 15.0 Vpp
• 20Hz~50kHz(-1.0dB)
• Peak output voltage: 15.0 Vpp
• PO output performance parameters (Super high)
• Output power 1: L+R=475mW+475mW(16? / THD+N<1%)
• Output impedance: = 1.4 ?(32 ?)
• Output power 2: L+R=395mW+395mW(32? /THD+N<1%)
• THD+N: = 0.0005%(1kHz/32?)
• Output power 3: L+R=57mW+57mW(300? / THD+N<1%)
• SNR: = 121.0dB(A weighted)
• Crosstalk: = 80dB(1kHz/32?)
• Noise floor: = 3.2 µV(A weighted)
• Frequency response:
• 20Hz~20kHz(-0.15dB) Peak output voltage 15.0 Vpp
• 20Hz~50kHz(-1.0dB)
• Peak output voltage: 11.7 Vpp
• Line out performance parameters
• THD+N: = 0.00034%(1kHz/10k?)
• SNR: = 124.0dB(A-weighted)
• Crosstalk: = 106dB(1kHz/10k?)
• Noise floor: = 1.2 µV(A weighted)
• Frequency response:
• 20Hz~20kHz(-0.1dB)
• 20Hz~50kHz(-0.7dB)
• Line out level: 2.0Vrms(1kHz/10k?)
• Balanced headphone output performance parameters (Ultra high)
• Output power 1: L+R=531mW+531mW(16? / THD+N<1%)
• Output impedance: = 2.3 ?(32 ?)
• Output power 2: L+R=1200mW+1200mW(32? /THD+N<1%)
• THD+N: = 0.00075%(1kHz/32 ?)
• Output power 3: L+R=368mW+368mW(300? /THD+N<1%)
• SNR: = 121.5dB(A weight)
• Degree of separation: =105.0dB(1kHz/32?)
• Noise floor: = 5.2 µV(A weighting)
• Frequency response:
• 20Hz~20kHz(-0.15dB)
• 20Hz~50kHz(-1.0dB)
• Peak output voltage: 30.0Vpp
• Balanced headphone output performance parameters (Super high)
• Output power 1: L+R=531mW+531mW(16? / THD+N<1%)
• Output impedance: = 2.3 ?(32 ?)
• Output power 2: L+R=990mW+990mW(32? /THD+N<1%)
• THD+N: = 0.00075%(1kHz/32 ?)
• Output power 3: L+R=368mW+368mW(300? /THD+N<1%)
• SNR: = 121.5dB(A weight)
• Degree of separation: =105.6dB(1kHz/32?)
• Noise floor: = 5.2 µV(A weighting)
• Frequency response:
• 20Hz~20kHz(-0.15dB)
• 20Hz~50kHz(-1.0dB)
• Peak output voltage: 23.7 Vpp
• Balanced line output performance parameters
• THD+N: = 0.00031%(1kHz/10 k?)
• SNR: = 127.7dB(A weight)
• Crosstalk: = 106dB(1kHz/10 k?)
• Noise floor: = 1.7 µV(A weighting)
• Frequency response:
• 20Hz~20kHz(-0.1dB)
• 20Hz~50kHz(-0.7dB)
• Line out level: 4.5Vrms

AUDIO FORMAT SUPPORT:

• Lossless:
• 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 Decoderer
• Lossy compression: MP3,OGG,WMA,AAC and other formats