FiiO - Q3 Portable Balanced Headphone DAC/Amp

Product SKU: Black


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Product Details from the Brand

From Audio46: Headphone microphones are not supported when connecting to the Q3

QЗ THX Balanced DAC/Amplifier

Multiple certifications | THX AAA amp technology Efficient AK4462 DAC
XMOS XUF208 | 768K/32B | Native DSD512 decoding | RGB sampling rate indicator 2.5/3.5/4.4mm output Analog potentiometer volume knob 10 hours battery life

THX AAA amplifier
Low distortion and high power for excellent sound

New efficient DAC chip
AKM's next generation AK4462 with outstanding performance

XMOS XUF208 decoding
Supports up to 768K/32B and native DSD512, easily decoding hi-res music

3 mainstream headphone outputs
2.5mm/3.5mm/4.4mm jacks, covering all of your needs 

Analog potentiometer volume knob
Quickly adjust volume with great accuracy, not having to worry about channel imbalance

RGB sampling rate indicator
Easily distinguish between sampling rates with yellow, green, and blue lights

Multiple certifications
Multiple certifications from USB-IF, THX, Thesycon, Hi-Res Audio

Always brilliant
1800mAh battery means battery life of 10 hours or more under USB decoding

Certified to be talented

The Q3 has obtained multiple certifications as a testament to its reliability and to its variety of talents:

Thesycon official USB Audio driver: compliant with USB Audio 1.0 & 2.0 device class specifications

USB-IF USB C compatibility certified: meets standard transmission interface specifications to ensure the compatibility of its USB solution

THX Certified AAA amp: for guaranteed low distortion, quality bass and overall excellent sound quality

Hi-Res Audio certified: for a guaranteed natural and realistic listening experience

THX AAA Amplifier Technology
Pure, natural sound

With THX’s patented feed-forward error correction topology, the AAA amps have low distortion, high power and a pure, uncolored sound. You’ll experience subtle details and shocking swings in your music effortlessly with the AAA amp in the Q3.

Humbly powerful on the inside
All-new DAC AK4462

Utilizing AKM's new efficient AK4462 VELVET SOUND DAC with decoding support up to 768kHz/32-bit PCM and DSD512, the Q3 achieves excellent performance.

No regrets for its powerful decoding abilities

The Q3 comes with the same XMOS XUF208 USB chip as found on FiiO's flagship DAC/amplifier, allowing it to easily support decoding up to 768kHz/32bit PCM and DSD512.

XMOS XUF208 USB chip
768K/32B High sampling rate supported
DSD512 Native DSD supported

Classic design with a pleasing roundness

The Q3 is a continuation of the design language of Fiio's other amplifiers - its elegant curves, simple. lines, smooth CNC and sandblasted all-aluminum body give it sturdy yet beautiful look while remaining practical to use.

Lots of connectors for lots of fun

The Q3 is equipped with 4.4mm/2.5mm balanced and 3.5mm single-ended outputs, allowing you to connect all kinds of headphones. You don't have to sacrifice compatibility with single - ended headphones while having fun with the balanced output!

*Output priority is: 4.4 balanced=2.5 balanced>3.5 SE. If 4.4 and 2.5 balanced are connected at the same time, there is no output.

Light up the moment

The RGB indicator on the volume knob allows you to easily distinguish between different sampling rates, and spices up your listening experience!

≤48k : Blue
>48k Yellow
DSD Green

Versatile multi-function button

To make the Q3 more convenient to use, a multi-function button allows you to quickly switch between gain levels and filters. Change your sound with some simple taps!

Short press the button to switch between low/high gain. Light on for high gain, light off for low gain

Double-tap to cycle between sharp and slow roll-off filters

More lows with the same highs

A bass switch allows you instantly activate/ deactivate the bass boost function. The purely hardware-based bass amplifier circuit can increase bass by up to 6dB without affecting the mids or treble.

Your fingers will instantly know

Among professional audio products, nothing adjusts volume better than an analog potentiometer volume knob. When combined with ADC curve reconstruction, traditional problems with analog volume knobs like low-volume channel imbalance are effectively eliminated - so that you can quickly and accurately change to your desired volume..

Highly capable decoder

Better component arrangement

Dual crystal oscillators
Independent LPF circuit
Low noise volume adjustment

Interference shielding for purer sound quality

High-strength all-aluminum body + copper-nickel shield + highly efficient absorbers form a 360° radio frequency interference shield around the Q3. Even when using it right next to a smartphone, one would be hard-pressed to detect any interference.

Instantly connect with the symmetrical Type C connector

The Type C connector on the Q3 allows you to connect it to more devices, and allow for more convenient charging with support for USB PD and Lightning charging.

Always unfazed

The Q3 is a powerful decoder always available to unlock your music wherever you go

  • Use with a Lightning to Type C converter for iOS devices
  • Use a dual Type C head cable to connect to Android devices and control the Q3 with the FiiO Music app
  • Can be used with Sony Walkman players with an adapter cable

Included in the box

  • Dual USB Type C head cable
  • Long USB Type C data cable
  • Short Lightning to USB Type C cable
  • 3.5mm line cable/Long binding strap*2
  • Short binding strap*2/Non-slip mat/Storage bag 


General specifications
Name/Model Q3 Color Black
Weight About 110g (incl. battery) Dimensions 105mmx59mmx12.5mm
Audio input Type C USB/3.5mm port Headphone output port Standard 3.5mm Port
Balanced output port 2.5mm balanced+4.4mm balanced    
Channel balance ≤0.2 dB Recommended headphone impedance 16~100Ω (PO)
16~300Ω (BAL)
Power supply DC 5V 2A recommended Battery capacity 1800mAh
Charging time ≤2h Battery life USB In PO: 10H
BAL: 8.5H
Native DSD supported DSD64/128/256/512 Test headphones PO+M3 earbuds (27Ω)
Max. sampling rate supported 768kHz/32bit BAL+32Ω earbuds
Chips used DAC: AKM4462; Amp module: THX_AAA28; LPF: OPA1662; XMOS: XUF208 Test volume 40mV output
Accessory Dual USB Type C head cable, Lightening to Type C cable, USB Type C data cable, storage bag, non-slip mat, 3.5mm line cable, binding strap, quick start guide, warranty card
Apple devices supported  
Headphone output specifications (3.5mm headphone output port)
Output power 150mW (16Ω, THD+N<1%, USB IN) Output impedance 1.2Ω (32Ω loaded)  
160mW (32Ω, THD+N<1%, USB IN) Channel separation ≥75dB (1kHz, 32Ω loaded)  
19mW (300Ω, THD+N<1%, USB IN) ≥105dB (1kHz, Unloaded)  
Frequency response 20Hz~20kHz, curve amplitude variation: 0.4dB Amplitude 2.26V (32Ω/THD+N<1%)  
20Hz~65kHz, curve amplitude variation: -3dB 2.38V (Unloaded)  
Noise floor <5.5uV (A-weighted) SNR ≥114dB (32Ω A-weighted)  
THD+N <0.0012%  
Balanced headphone output specifications (2.5mm/4.4mm headphone output port)
Output power 1 180mW (16Ω, THD+N<1%, USB IN) Output power 2 190mW (16Ω, THD+N<1%, AUX IN)
300mW (32Ω, THD+N<1%, USB IN) 325mW (32Ω, THD+N<1%, AUX IN)
35mW (300Ω, THD+N<1%, USB IN) 100mW (300Ω, THD+N<1%, AUX IN)
SNR ≥113dB (32Ω A-weighted, USB IN) Frequency response USB In 20Hz~20kHz, curve amplitude variation: 0.4dB
≥115dB (32Ω A-weighted, AUX IN) 20Hz~65kHz, curve amplitude variation: -3dB
Noise floor <8uV (A-weighted, USB IN) AUX In 20Hz~90kHz,curve amplitude variation: 0.4dB
<5.5uV (A-weighted, AUX IN) Amplitude USB In 3.1V (32Ω/THD+N<1%)
THD+N <0.0015% (USB IN) 3.38V (Unloaded)
<0.0012% (AUX IN) AUX In 3.2V (32Ω /THD+N<1%)
Output impedance 3Ω (32Ω loaded) 5.6V (Unloaded)
Channel separation ≥99dB (1kHz, 32Ω loaded)  
≥103 (1kHz, Unloaded)

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FiiO - Q3 Portable Balanced Headphone DAC/Amp


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