FiiO Q15 Portable DAC & Headphone Amplifier Specifications | ||||
General Specifications | ||||
Name/Model | Q15 | Hardware solution |
DAC: AK4191EQ+AK4499EX USB: XMOS XU316 |
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Color | Black/ Titanium | Volume control | Volume knob | |
Weight | About 305g | Dimensions | About 143.5x71.75x21.75mm | |
MQA | Supports MQA Full Decoder | Driver-free mode (switch mode) | Supported | |
Gain | Ultra High (In Desktop mode, Power in port connected with QC power) /Super High/High/Medium/Low gain mode | Display | 1.30-inch TFT (240*240) ;bezel-less display; | |
FiiO Control | Supports settings through app | Status display | On the display: Bluetooth codec, sampling rate, charging status, battery level, volume level, input source, gain level, power mode | |
Sampling rate display | Cyan: 44.1kHz/48kHz Yellow: 88.2/96/176/352.8/384/705.6/768kHz Green: DSD64/128/256/512 Purple: MQA |
Bluetooth codec display | Blue: SBC Cyan: AAC Purple: aptX/aptX LL Yellow: aptX HD White: LDAC Green: aptX Adaptive |
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Channel balance | ;0.2dB | Bluetooth reception (5.1); |
AAC/SBC/aptX/aptX LL/ aptX Adaptive/aptX HD/LDAC |
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Max. sampling rate | USB DAC: Up to PCM 768kHz/32bit, native DSD512 | Firmware upgrade | Bluetooth firmware supports upgrade through OTA | |
Coaxial decoding: Up to PCM 192kHz/24bit, DoP DSD64 | XMOS/system firmware supports upgrade through USB | |||
Recommended impedance | PO:8~150Ω BAL:8~350Ω |
; | ; | |
Buttons and Ports | ||||
Buttons | Power button*1, Play/Pause*1, Previous track*1, Next track*1, Encoder knob (with confirm button) *1 | USB | Type-C USB2.0*2 ;Black USB (charging/data transfer), orange POWER IN (charging); | |
Headphone output | Standard 3.5mm port | BAL headphone output | Standard 4.4mm port | |
Line-out output | ;Standard 3.5mm port (shared PO) | BAL Line-out output | Standard 4.4mm port (shared 4.4mm BAL headphone out) | |
Digital coaxial input | RCA port | Toggle switch | PHONE MODE switch*1;DESKTOP MODE switch*1 | |
Power Supply Parameters | ||||
Power supply | Supports PD fast charging and ordinary charging | Battery capacity | 5500mAh lithium polymer battery | |
charging time | About 3.5h (PD fast charge); | |||
Battery life and test conditions | ||||
3.5mm headphone out: ≥9h | ||||
Audio input | USB decoding/coaxial decoding | Gain level | Super High Gain mode | |
Volume level | L40 | Playing track and format | MP3 44.1KHz/16bit | |
Display status | OFF | Charging switch | OFF | |
Load | 32 Ω | |||
4.4mm BAL headphone out: ≥8h | ||||
Audio input | USB decoding/coaxial decoding | Gain level | BSuper High Gain mode | |
Volume level | L 34 | Playing track and format | MP3 44.1KHz/16bit | |
Display status | OFF | Charging switch | OFF | |
load | 32 Ω | |||
3.5mm headphone out: ≥9h; | ||||
Audio input | Bluetooth | Bluetooth codec |
AAC |
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Volume level | L 40 | Gain level | Super High Gain mode | |
Display status | OFF | Playing track and format | MP3 44.1KHz/16bit | |
BASS/EQ | OFF | Load | 32 Ω | |
4.4mm BAL headphone out: ≥8h | ||||
Audio input | Bluetooth | Bluetooth codec |
AAC |
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Volume level | L 34 | Gain level | Super High Gain mode | |
Display status | OFF | Playing track and format | MP3 44.1KHz/16bit | |
BASS/EQ | OFF | Load | 32 Ω | |
Audio Parameters | ||||
Parts of performance and parameters of headphone output (3.5mm out, USB DAC/Coaxial decoding, Ultra High Gain mode); | ||||
Output power | L+R≥750mW+750mW (16Ω, THD+N<1%); | Output impedance | ;1Ω | |
L+R≥625mW+625mW (32Ω, THD+N<1%); | Crosstalk | ≥ 72dB | ||
L+R≥85mW+85mW (300Ω,THD+N;1%) | peak output voltage | 14.5Vp-p | ||
SNR | ≥ 123dB (A-weighted) | THD+N; Noise | ;0.0005%(1kHz/-9dB @ 32Ω) | |
Frequency response | 20Hz~80kHz: damping<3dB | ;0.0004%(1kHz/-6dB @ 300 Ω) | ||
20Hz~20kHz: damping<0.1dB | Noise floor | <3.1uV (A-weighted); | ||
Parts of performance and parameters of headphone output (3.5mm out, USB DAC/Coaxial decoding, Super High Gain mode); | ||||
Output power | L+R≥520mW+520mW (16Ω,THD+N;1%) | Output impedance | ;1Ω | |
L+R≥400mW+400mW (32Ω,THD+N;1%) | Crosstalk | ≥ 72dB | ||
L+R≥55mW+55mW (300Ω,THD+N;1%) | Peak output voltage | 11.5Vp-p | ||
SNR | ≥ 121dB (A-weighted) | THD+N ; Noise | ;0.00045%(1kHz/-7dB @ 32Ω) | |
Frequency response | 20Hz~80kHz: damping<3dB | ;0.0004%(1kHz/-4dB @ 300 Ω) | ||
20Hz~20kHz: damping<0.1dB | Noise floor | <3uV (A-weighted); | ||
Parts of performance and parameters of Line-out headphone output (3.5mm out, USB/DAC/Coaxial decoding); | ||||
THD+N ; Noise | ;0.00042%(1kHz/-4dB @ 10KΩ) | SNR | ≥ 123dB (A-weighted) | |
Crosstalk | ≥ 105dB | Noise floor | <1.6uV (A-weighted); | |
Frequency response | 20Hz~80kHz: damping<3dB | Line output level | 2Vrms | |
20Hz~20kHz: damping<0.1dB | ; | ; | ||
Parts of performance and parameters of BAL headphone output (4.4mm out, USB DAC/Coaxial decoding, Ultra High Gain mode); | ||||
Output power | L+R≥635mW+635mW (16Ω,THD+N;1%) | Output impedance | ;1.5Ω | |
L+R≥1610mW+1610mW (32Ω,THD+N;1%) | Crosstalk | ≥ 113dB | ||
L+R≥340mW+340mW (300Ω,THD+N;1%) | Peak output voltage | 29Vp-p | ||
SNR | ≥ 123dB (A-weighted) | THD+N ; Noise | ;0.00055%(1kHz/-14dB @ 32Ω) | |
Frequency response | 20Hz~80kHz: damping<3dB | ;0.0003%(1kHz/-2dB @ 300 Ω) | ||
20Hz~20kHz: damping<0.1dB | Noise floor | <4.8uV (A-weighted); | ||
Parts of performance and parameters of BAL headphone output (4.4mm out, USB DAC/Coaxial decoding, Super High Gain mode); | ||||
Output power | L+R≥675mW+675mW (16Ω,THD+N;1%) | Output impedance | ;1.5Ω | |
L+R≥1060mW+1060mW (32Ω,THD+N;1%) | Crosstalk | ≥ 113dB | ||
L+R≥215mW+215mW (300Ω,THD+N;1%) | Peak output voltage | 23Vp-p | ||
SNR | ≥ 121dB (A-weighted) | THD+N ; Noise | ;0.00055%(1kHz/-13dB @ 32Ω) | |
Frequency response | 20Hz~80kHz: damping<3dB | ;0.00025%(1kHz/-4.5dB@300Ω) | ||
20Hz~20kHz: damping<0.1dB | Noise floor | <4.8uV (A-weighted) | ||
balanced line headphone output part performance parameters (4.4mm output, USB DAC/coaxial decoding) | ||||
THD+N ; Noise | ;0.00027%(1kHz/-5dB @ 10KΩ) | SNR | ≥ 126dB (A-weighted) | |
Crosstalk | ≥ 105dB | Noise floor | <1.8uV (A-weighted); | |
Frequency response | 20Hz~80kHz: damping<3dB | Line output level | 4Vrms | |
20Hz~20kHz: damping<0.1dB | ; |