General specifications |
|
|---|---|
| Name/Model | Q3 |
| Color | Black |
| Weight | ≈110g |
| Dimensions | 105mmx59mmx12.5mm |
| MQA full decoder | 8x |
| Maximum supported sampling rate/DSD | PCM384kHz-32bit/DSD256 |
| Hardware scheme | DAC: AK4452,USB: XMOS XU316,AMP:THX_AAA_28*2 |
| Volume Scroll | Potentiometer+ADC Sampling |
| Samplig rate indication | Blue = PCM Green =DSD Magenta=MQA |
| Recommended headphone impedance | PO:16~100Ω BAL:16~300Ω |
| Firmware upgrade | System firmware and XMOS can be upgraded via USB |
Buttons and interfaces |
|
| Button | One button for Gain, Reset and UAC1.0 |
| Switches | Charge switch, bass switch |
| USB | TYPE C USB |
| Headphones ports | 3.5mm(phone out/line in), 4.4mm, 2.5mm (Bal to unbal adapters are prohibited) |
Power parameters |
|
| Power Supply | 5V 2A |
| Charging time | <2h |
| Battery Capacity | 1800mAh |
| Battery life and test conditions | |
| 3.5mm output:≥13h | 2.5mm/4.4mm output:≥12h | |
| Audio in | USB IN |
| BASS | Off |
| Charge | Off |
| Gain | Low |
| Tracks | MP3 44.1KHz/16bit |
| Load | 32Ω |
| 2.5mm/4.4mm output:≥23h | |
| Audio in | USB IN |
| BASS | Off |
| Charge | Off |
| Gain | Low |
| Tracks | MP3 44.1KHz/16bit |
| Load | 32Ω |
Audio parameters |
|
| Headphone output performance parameters(3.5mm output) | . |
| Output Power | 175mW(16Ω,THD+N<1%) 160mW(32Ω,THD+N<1%) 18mW(300Ω,THD+N<1%) |
| THD+N | <0.0012%(1kHz/-6dB@32Ω) |
| Frequency response | 20Hz~50kHz: (±:1.5dB) 20Hz~20KHz:(±:0.3dB) |
| Output impedance | ≤ 1 Ω |
| Crosstalk | ≥ 76dB |
| Output level | 2.3Vrms |
| SNR | ≥ 115dB (dbA) |
| Noise floor | Gain = H,≤ 5uV(dbA) Gain = L,≤ 5uV(dbA) |
| Balanced output performance parameters(4.4mm/2.5mm,UAC IN) | . |
| Output Power | 280mW(16Ω,THD+N<1%) 330mW(32Ω,THD+N<1%) 40mW(300Ω,THD+N<1%) |
| THD+N | ≤ 0.001%(1kHz/-4dB@32 Ω) |
| Frequency response | 20 Hz-50KHz: (±:1.8dB) 20 Hz-20KHz: (±:0.3dB) |
| Output impedance | ≤ 2.6 Ω |
| Crosstalk | ≥ 99dB |
| Output level | 3.3Vrms |
| SNR | ≥ 118dB (dbA) |
| Noise floor | Gain = H,≤ 7.5uV(dbA) Gain = L,≤ 7.5uV(dbA) |
| Balanced output performance parameters(4.4mm/2.5mm,Line IN) | . |
| Output Power | 265mW(16Ω,THD+N<1%) 370mW(32Ω,THD+N<1%) 105mW(300Ω,THD+N<1%) |
| THD+N | <0.0007%(1kHz/1.15V@32Ω) |
| Frequency response | 20Hz-20KHz:(±:0.2dB) |
| Output impedance | ≤ 2.6 Ω |
| Crosstalk | ≥ 100dB |
| Output level | 3.3Vrms |
| SNR | ≥ 120dB (dbA) |
| Noise floor | ≤ 3.5uV(dbA) |