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FiiO Q15 Portable Bluetooth DAC/Amp

Product SKU: Q15 Black


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Product Details

↓ Details provided by FiiO

Q15: DAC and Headphone Amplifier

Desktop/portable dual power supply modes | 1600mW high output power Bluetooth/USB/coaxial decoding | High-end QCC5125+XU316 | Global PEQ AKM flagship DAC combo AK4191+AK4499EX | Full-color IPS display
5-level audio circuit | Comprehensive protection

FiiO Q15 Portable Bluetooth DAC/Amp Overview

1600mW of astonishing power Rivaling desktop amps

When put in Desktop Mode, the Q15 under balanced output is capable of putting out 1600MW in enhanced over-ear headphone mode, which is more than enough to easily drive various IEMs and full-size headphones.

FiiO Q15 Portable Bluetooth DAC/Amp Mw Output

Portable desktop-grade machine

The Q15 features a new desktop mode, sporting a separate Type-C power connector for it. When the Q15 is connected to the PD power adapter, the Q15 will be powered externally completely bypassing the battery, allowing for a desktop-like experience even on the go.

FiiO Q15 Portable Bluetooth DAC/Amp Desktop Grade

Coaxial Input

Connect to CDs/digital streamers/digital audio players/receivers and other devices, supporting up to 192kHz/24bit PCM and DSD64

Self-developed digital cores: Stable and efficient operation

Featuring digital components on the same level as those of the FIIO Q7, the Q15 relies on the ARM processor to realize USB/coaxial/Bluetooth decoding in one, capable of processing digital audio signals with low latency and high efficiency. Featuring digital components on the same level as those of the FIIO Q7, the Q15 relies on the ARM processor to realize USB/coaxial/Bluetooth decoding in one, capable of processing digital audio signals with low latency and high efficiency.

FiiO Q15 Portable Bluetooth DAC/Amp Internal

XMOS 16-core XU316

  • Supports 768kHz/32bit PCM, DSD512 and MQA full decoding

TI Cortex M4 processor

  • Ensures stable and efficient operation of various systems 

Dual audio crystal oscillators, asynchronous/self-adaptive dual mode management

  • Adapt to various sound sources and sampling rates accurately and stably

AKM flagship DAC combo: AK4191EQ+AK4499EX

The Q15 features AKM's newest DAC combination the AK4191EQ+AK4499EX. When working in tandem with the newly developed "DWA Routing Technology", audio performance is greatly improved. The result is a more detailed, yet natural and realistic sound that makes the listener think they have been transported to the concert site.

FiiO Q15 Portable Bluetooth DAC/Amp DAC Combo

Phone mode switch with just one touch

FIIO engineers implemented a "Phone Mode" switch to make the Q15 better suited for use with phones. Turn on Phone Mode* and the Q15 will be powered by the built-in battery, not consuming the phone's battery. *If you need to connect to a computer, turn off Phone Mode.

FiiO Q15 Portable Bluetooth DAC/Amp Phone Mode

Full-color IPS display with visually pleasant control

The full-color IPS display makes it easier for you to see the current status of the device, such as the PC's current sampling rate, volume, gain, and other information. Helping you to both adjust the volume and easily navigate through the settings is an intuitive volume knob.

FiiO Q15 Portable Bluetooth DAC/Amp IPS Display

RCA coaxial connector for complete audio signal transmission

Thanks to the carefully designed internals, the Q15 also comes with a coaxial input. This allows the Q15 to be directly connected to digital streamers and CD players through ordinary coaxial cables, avoiding any losses from not using a direct connection.

FiiO Q15 Portable Bluetooth DAC/Amp Coaxial Input

Precisely designed inside with a sophisticated audio circuit

5-level audio circuit, 5-level gain. A meticulously designed, complete audio circuit with DAC-IV-LPF-gain-headphone amplifier stages ensures the Q15 is capable of ample dynamic range and bringing excellent sound fidelity. The variable gain and variable voltage design maximizes the performance of the audio circuit. There are separate low-voltage low-gain and high-voltage high-gain modes, suitable respectively for IEMs and full-size headphones.

FiiO Q15 Portable Bluetooth DAC/Amp Audio Circuit

Perfect size and perfect feel

It is the first time that the Q15 uses AG glass for its back panel, which is anti-scratch and anti-fingerprint with a delicate touch. Coupling with the golden size ratio of 18:9 makes it comfortable to use both when being handheld and when bundled with other portable devices. Whether you are simply on the go or on a business trip, you can
easily remain in control of your high-quality sound.

FiiO Q15 Portable Bluetooth DAC/Amp Size and Feel

Global PEQ adjust to personal taste

The Q15 comes with 7 EQ presets and 3 customizable PEQ* presets. PEQ can be used in both Bluetooth mode* and USB DAC mode*. Through FIIO's self-developed PEQ algorithm and user interface, you can choose the exact frequencies to be adjusted along with their gain levels and bandwidth - allowing you to fine-tune the sound to exactly the way you want it.
*The customizable PEQ and PEQ under coaxial input will be supported through subsequent firmware upgrades.
*The customizable PEQ will be supported through subsequent firmware upgrades.
*USB DAC PEQ supports 192kHz/24bit PCM.
*USB DAC EQ is handled by the XMOS chip. When turning on and off EQ in this mode, the USB connection will temporarily disconnect and
automatically reconnect. Tap "play" to restore output.

FiiO Q15 Portable Bluetooth DAC/Amp EQ

Comprehensive protection; Comprehensive peace of mind

FIIO engineers have implemented a multitude of hardware and software-controlled protection mechanisms, allowing you to enjoy great sound without worries.
Max volume limit, to avoid hearing damage; Durable high-temperature resistant battery + dynamic charge and discharge temperature-based control+ charging protection + battery isolation, all work together to prolong battery durability; The over-heating, over-voltage, and DC protection mechanism allows the Q15 to stably output power by ensuring the audio circuit works properly and ensures the safety of the connected headphones.

FiiO Q15 Portable Bluetooth DAC/Amp Protection and Peace of Mind

Variety of Inputs and Outputs

FiiO Q15 Portable Bluetooth DAC/Amp Inputs and Outputs

In The Box 

  • Q15*1
  • Dual Type-C fast charging data cable*1
  • Dual Type-C short data cable*1
  • Type A-C adapter*1
  • Storage bag*1
  • Silicone pad*1
  • PE film (pre-applied)*1
  • Silicone ring*2
  • Manual*1
  • Warranty card*1

FiiO Q15 Portable Bluetooth DAC/Amp In The Box


  • Colors: Black, Titanium gray
  • Decoding inputs: USB/Bluetooth/coaxial
  • Bluetooth chip: QCC5125 (CPU+DSP dual-core design), Bluetooth 5.1
  • USB chip: XMOS XU316
  • DAC: AK4191+AK4499EX
  • Bluetooth codecs: AAC/SBC/aptX/aptX LL/aptX Adaptive/aptX HD/LDAC
  • USB DAC: Asynchronous 768kHz/32bit, native DSD512, MQA full decoding (EQ supports up to PCM 192kHz/24bit)
  • USB DAC driver-free mode: Supported
  • Coaxial input: 192kHz/24bit, DOP64
  • Display: 1.3-inch 240x240 full color IPS
  • Headphone outputs: Single-ended 3.5mm + Balanced 4.4mm Line output: Single-ended + Balanced; multiplex headphone jack Battery: 5500mAh high-temperature resistant lithium-ion
  • Battery life: About 9 hours (UAC mode, balanced out)
  • Output power 1: L+R>620mW+620mW (320 SE/THD+N<1%)
  • Output power 2: L+R>85mW+85mW (3000 SE/THD+N<1%)
  • Output power 3: L+R>1600mW+1600mW(320 BAL/THD+N<1%)
  • Output power 4: L+R>340mW+340mW (30002 BAL/THD+N<1%) Frequency response: 20Hz-80kHz (-3dB) Signal-to-noise ratio: 123dB (A-weighted)
  • Noise floor: PO<3uV (UAC, Ultra High Gain Mode, A-weighted), LO 1.6μV (UAC, A-weighted), BAL<4.8μV (UAC, BAL<4.8μV (UAC), BAL LO<1.8μV (UAC, A-weighted)
  • Output impedance: <1.50 (320 load)
  • THD+N: <0.0004% (LO/1kHz/10k)


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