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FiiO
FiiO Q5s Type-C Bluetooth Headphone DAC/Amp
The Q5s is the flagship portable DAC/Amp from FiiO and an upgrade of the Q5. As a DAC/amp, its primary function is to bypass the built-in digital-to-analog converter of your phone, laptop, or other device and amplify the signal. Its top-notch specs make it a stellar desktop DAC/amp, while its portability makes it the perfect travel companion.
As an upgrade of the Q5, the Q5s features a number of great improvements. A USB Type-C offers hassle-free connecting. A Bluetooth 5.0 chip and upgraded DAC chips provide flagship decoding--whether you plan to go wired or wireless. And a fully balanced THX AAA amp provides increased output power and lower distortion.
AK4493EQ x 2
The Q5s uses an AK4493EQ digital-to-analog converter (DAC) chip for each channel, resulting in imperceptible distortion and noise. With a total harmonic distortion plus noise rating of <0.002% and a signal-to-noise ratio (SNR) of >117dB, the Q5s plays 32bit/768kHz tracks against a pitch black sonic background.
To put these numbers in perspective, the loudness of a jackhammer is 110dB, an ambulance 120dB. So under any normal, healthy listening scenario with the Q5s, you’re going to hear nothing but pure signal.
Fully balanced THX AAA amp
The THX AAA lineup of amps are known for their power and clarity. Unlike many amplifiers, THX AAA amps use a feed-forward error correction topology that removes common distortion issues. To put it simply, the amp measures errors in an early part of the system and corrects them in a later part of the system.
Additionally, the Q5s uses two THX AAA amps in a fully balanced architecture. This allows the Q5s to achieve greater output power as well as lower distortion.
The most sophisticated Bluetooth yet
Gone are the days of downsampled Bluetooth. Thanks to Qualcomm’s QCC5124 Bluetooth chip, the Q5s supports all the hi-res bluetooth audio codecs: AAC, SBC, aptXLL, aptX HD, and LDAC.
Ditch the charger
Depending on which input you’re using, the Q5s’ battery can last between nine and twenty-five hours--9 for USB and bluetooth, 25 for AUX. So at the very least, the Q5s can survive a flight from Boston to Seattle with time for layovers.
Six inputs and outputs
We never said this was just a Bluetooth DAC/Amp. With inputs for optical, coax, line-in, and USB, plus outputs for line out, 3.5 single-ended, 2.5 balanced, and 4.4 balanced headphones, the Q5s is your personal middleman for a million different listening scenarios .
Product highlights
Portable DAC that’s perfect for traveling
USB Type C
2x AK4490EQ DAC
THX AAA Amplification
Bluetooth 5.0
Sampling rate indicator
DSD512 support
32bit/768kHz USB sampling
4-level battery indication
50-50kHz frequency response
Ultra-low noise floor and distortion
Recommended headphone impedance: 16-150Ω (unabalanced), 16-300Ω (balanced)
Headphone Output power
Balanced: ≥ 535 mW into 16 Ohms (1% THD)
1/8" / 3.5 mm Unbalanced: ≥ 280 mW into 16 Ohms (1% THD)
Headphone Output Current: 150 mA (Max, for Reference Level)
Analog circuitry
Low-pass filter op-amp: AD8620
Digital chipset
DAC: 2 x AK4490EQ
USB: XMOS XU208
Bluetooth: CSR8675
EQ: Bass boost
Analog I/O
1 x 1/8" / 3.5 mm TRS Unbalanced Headphone Output
1 x 2.5 mm Balanced Headphone Output
1 x 4.4 mm Balanced Headphone Output
1 x 1/8" / 3.5 mm Line Input (Optical/Analog Combo Jack)
Digital I/O
1 x TOSLINK 1/8" / 3.5 mm Optical Input (Optical/Analog Combo Jack)
USB: 1 x USB-Type C (Update, Power/Charging Input)
Bluetooth: 5.0
Supported Audio Codecs: AAC, SBC, aptX, aptX LL, aptX HD, LDAC, LHDC
Frequency Response:
Balanced headphone output: 5 Hz to 50 kHz -3 dB
Headphone outputs: 5 Hz to 50 kHz -3 dB
Line outputs: 5 Hz to 90 kHz -3 dB
Max output level
Balanced headphone outputs: 10.5 V p-p
Headphone outputs: 6 V p-p
Impedance
Balanced headphone outputs: < 2 Ohms (32-Ohm Load)
Headphone outputs: < 2 Ohms (32-Ohm Load)
THD+N
Headphone outputs: < 0.001% (1 kHz)
Line outputs: < 0.001% (1 kHz, 10-Kilohm Load)
Balanced headphone outputs: < 0.002% (1 kHz)
Sample rates
USB inputs: Up to 768kHz
Coaxial S/PDIF: 192kHz
Optical S/PDIF: 96kHz
Bit depths: 24/ 32-bit
Power
DC input power: 5 VDC at 2A (recommended)
Internal battery: Rechargeable, 3800 mAh
Battery charging time: 3.5 hours
Approximate battery life: 25 hours (analog input), 9.5 hours (digital input)
Dimensions: 4.9 x 2.5 x 0.6” (124 x 64 x 16mm)
Weight: 6.9oz (195g)
Package weight: 1.085lbs
Box dimensions: 6.6 x 4.4 x 2.1” (167.64 x 111 x 53mm)
What’s included
FiiO Q5s
USB A-C charging cable
Type-C to Lightning cable
3.5mm line cable
2x long straps
2x short straps
Coaxial patch cord
Optical adaptor
T5 Screwdriver
Non-slip mat
Carrying pouch