| 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 | ||||
| AUX In | BAL: 19H | |||
| 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) | ||||
Learn more
Frequency Response diagram of curves 1.
Test condition: USB IN, BAL output
Left channel=Red curve;
Right channel=Blue curve;
Frequency Response diagram of curves 2.
Test condition: AUX IN, BAL OUT
Red curve: Left channel; Blue curve: Right channel.
Frequency Response diagram of curves 3.
Test condition: USB IN, PO OUT
Red curve: Left channel; Blue curve: Right channel.
失真曲线图 2.
测试条件：
负载：32Ω； 增益：高
蓝色曲线:左声道 . 红色曲线: 右声道.
Frequency Response diagram of curves 4.
Test condition: BASS boost, AUX IN, BAL OUT
Red curve: Left channel; Blue curve: Right channel.
Distortion diagram of curves 2 .
USB DAC IN--BAL output
Distortion diagram of curves 3.
AUX IN--BAL
Distortion diagram of curves 1.
USB DAC IN--PO output
