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FiiO Q15 Portable DAC and Headphone Amp, Black

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Key Features

  • Dual AKM DACs ensure supreme audio
  • 1600mW high output power offers accurate sound reproduction
  • Five-level gain modes create a sound to suit various headphone types
  • Qualcomm QCC5125 Bluetooth chipset supports aptXHD and LDAC
  • MQA support provides a studio-like sound

FiiO Q15 Portable DAC and Headphone Amp, Black Overview

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The FiiO Q15 Portable DAC and Headphone Amp boasts a high-performance AKM DAC combo (AK4191 + AK4499EX), ensuring crystal-clear 768kHz/32bit playback for music enthusiasts. This device offers desktop-grade audio with both 3.5mm and 4.4mm headphone outputs, supporting single-ended and balanced connections. Select desktop mode to power your sessions with up to 1600mW from the balanced output for an immersive experience. Its five-level gain modes also allow you to adjust the audio to match your headphones' sensitivity.


Equipped with an MQA decoder, this headphone amp reproduces the sound quality of the original master recordings of your favourite songs. The Q15 offers multiple connectivity options including USB, coaxial, as well as Bluetooth 5.1, with aptX and LDAC support for low-latency audio. Additionally, the compact size allows for easy portability so you can enhance the sound of your music in virtually any location.

Product Ref: 294781

Full Description

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What's in the Box?

  • FiiO Q15 Portable DAC and Headphone Amp
  • Dual Type-C fast charging data cable
  • Dual Type-C short data cable
  • Type A-C adapter
  • Storage bag
  • Silicon pad
  • Protection film (pre-applied)
  • 2 Silicon rings
  • Quick Start Guide

Specifications

General

Name/Model Q15
Color Black/ Titanium
Weight 305g
MQA Supports MQA Full Decoder
Gain Ultra High (In Desktop mode, Power in port connected with QC power) / Super High/High/Medium/Low gain mode
FiiO Control Supports settings through app
Sampling rate display Cyan: 44.1kHz/48kHz

Yellow: 88.2/96/176.4/352.8/384/705.6/768kHz

Green: DSD64/128/256/512

Purple: MQA
Channel balance <0.2dB
Max. sampling rate USB DAC: Up to PCM 768kHz/32bit, native DSD512

Coaxial decoding: Up to PCM 192kHz/24bit, DoP DSD64
Recommended impedance PO: 8-150Ω

BAL: 8-350Ω
Hardware solution DAC: AK4191EQ+AK4499EX

USB: XMOS XU316

Bluetooth decoding: QCC5125
Volume control Volume knob
Dimensions 143.5 x 71.7 x 21.75mm
Driver-free mode (switch mode) Supported
Display 1.30-inch TFT (240*240) bezel-less display
Status display On the display: Bluetooth codec

Sampling rate

Charging status

Battery level

Volume level

Input source

Gain level

Power mode
Bluetooth codec display Blue: SBC

Cyan: AAC

Purple: aptX/aptX LL

Yellow: aptX HD

White: LDAC

Green: aptX Adaptive
Bluetooth reception (5.1) AAC

SBC

aptX

aptX LL

aptX Adaptive

aptX HD

LDAC
Firmware upgrade Bluetooth firmware supports upgrade through OTA

XMOS/system firmware supports upgrade through USB
Product Code FIIOQ15-BLACK

Buttons and Ports

Buttons 1 x Power button

1 x Play/Pause

1 x Previous track

1 x Next track

1 x Encoder knob (with confirm button)
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)
USB 1 x Type-C USB2.0 Black USB (charging/data transfer)

1 x Orange POWER IN (charging)
Digital coaxial input RCA port
Toggle switch 1 x PHONE MODE switch

1 x DESKTOP MODE switch

Power Supply Parameters

Power supply Supports PD fast charging and ordinary charging
Charging time About 3.5h (PD fast charge)
Battery capacity 5500mAh lithium polymer battery

3.5mm headphone output power supply parameters (USB/Coaxial)

Audio input USB decoding/coaxial decoding
Volume level L40
Display status OFF
Gain level Super High Gain mode
Playing track and format MP3 44.1KHz/16bit
Charging switch OFF
Load 32 Ω

3.5mm headphone output power supply parameters (Bluetooth)

Audio input Bluetooth
Bluetooth codec AAC
Volume level L40
Display status OFF
Gain level Super High Gain mode
Playing track and format MP3 44.1KHz/16bit
BASS/EQ OFF
Load 32 Ω

4.4mm BAL headphone output power supply parameters (USB/Coaxial)

Audio input USB decoding/coaxial decoding
Volume level L34
Display status OFF
Gain level Super High Gain mode
Playing track and format MP3 44.1KHz/16bit
Charging switch OFF
Load 32 Ω

4.4mm BAL headphone output power supply parameters (Bluetooth)

Audio input Bluetooth
Bluetooth codec AAC
Volume level L34
Display status OFF
Gain level Super High Gain mode
Playing track and format MP3 44.1KHz/16bit
BASS/EQ OFF
Load 32 Ω

3.5mm headphone output audio parameters (USB DAC/Coaxial decoding: Ultra High Gain mode)

Output power L+R=750mW+750mW (16Ω, THD+N < 1 )

L+R=625mW+625mW (32Ω, THD+N < 1 )

L+R=85mW+85mW (300Ω, THD+N < 1 )
SNR ≥ 123dB (A-weighted)
Frequency response 20Hz–80kHz: damping < 3dB

20Hz–20kHz: damping < 0.1dB
Output impedance <1Ω
Crosstalk ≥ 72dB
peak output voltage 14.5Vp-p
THD+N & Noise <0.0005 (1kHz-9dB @ 32Ω)

<0.0004 (1kHz-6dB @ 300 Ω)
Noise floor < 3.1uV (A-weighted)

3.5mm headphone output audio parameters (USB DAC/Coaxial decoding: Super High Gain mode)

Output power L+R=520mW+520mW (16Ω, THD+N < 1 )

L+R=400mW+400mW (32Ω, THD+N < 1 )

L+R=55mW+55mW (300Ω, THD+N < 1 )
SNR ≥ 121dB (A-weighted)
Frequency response 20Hz–80kHz: damping < 3dB

20Hz–20kHz: damping < 0.1dB
Output impedance <1Ω
Crosstalk ≥ 72dB
peak output voltage 11.5Vp-p
THD+N & Noise <0.00045 (1kHz-7dB @ 32Ω)

<0.0004 (1kHz-4dB @ 300 Ω)
Noise floor < 3uV (A-weighted)

3.5mm headphone output audio parameters (USB DAC/Coaxial decoding: Line-out)

THD+N & Noise <0.00042 (1kHz/-4dB @ 10KΩ)
SNR ≥ 123dB (A-weighted)
Crosstalk ≥ 105dB
Frequency response 20Hz–80kHz: damping < 3dB

20Hz–20kHz: damping < 0.1dB
Noise floor < 1.6uV (A-weighted)
Line output level 2Vrms

4.4mm BAL headphone output audio parameters (USB DAC/Coaxial decoding: Ultra High Gain mode)

Output power L+R=635mW+635mW (16Ω, THD+N<1 )

L+R=1610mW+1610mW (32Ω, THD+N<1 )

L+R=340mW+340mW (300Ω, THD+N<1 )
SNR ≥ 123dB (A-weighted)
Frequency response 20Hz–80kHz: damping < 3dB

20Hz–20kHz: damping < 0.1dB
Output impedance <1.5Ω
Crosstalk ≥ 113dB
Peak output voltage 29Vp-p
THD+N & Noise <0.00055 (1kHz/-14dB @ 32Ω)

<0.0003 (1kHz/-2dB @ 300 Ω)
Noise floor < 4.8uV (A-weighted)

4.4mm BAL headphone output audio parameters (USB DAC/Coaxial decoding: Super High Gain mode)

Output power L+R=675mW+675mW (16Ω, THD+N<1 )

L+R=1060mW+1060mW (32Ω, THD+N<1 )

L+R=215mW+215mW (300Ω, THD+N<1 )
SNR ≥ 121dB (A-weighted)
Frequency response 20Hz–80kHz: damping < 3dB

20Hz–20kHz: damping < 0.1dB
Output impedance <1.5Ω
Crosstalk ≥ 113dB
Peak output voltage 23Vp-p
THD+N & Noise <0.00055 (1kHz/-13dB @ 32Ω)

<0.00025 (1kHz/-4.5dB @300Ω)
Noise floor < 4.8uV (A-weighted)

4.4mm BAL headphone output audio parameters (USB DAC/Coaxial decoding: Line-out)

THD+N & Noise <0.00027 (1kHz/-5dB @ 10KΩ)
SNR ≥ 126dB (A-weighted)
Crosstalk ≥ 105dB
Frequency response 20Hz–80kHz: damping < 3dB

20Hz–20kHz: damping < 0.1dB
Noise floor < 1.8uV (A-weighted)
Line output level 4Vrms

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