Q1MKII_parameters

Q1 Mark II

General
Model	Q1 Mark II/ FQ1222	Color	Black
Weight	About 101g	Dimensions	About 99mm x 59mm x 12.5mm
Audio Input	Micro USB/3.5 mm Jack	Headphone Output	3.5 mm stereo jack
Balance Headphone Output	Supported (2.5mm balanced headphone jack)	Recommended Headphone Impedance	16~100Ω(PO)
Balance Headphone Output	Supported (2.5mm balanced headphone jack)	Recommended Headphone Impedance	16~150Ω(BAL)
Bass Boost	0/5.4dB	Channel Imbalance	0.2 dB
Power Input	DC5V 2A recommended	Battery Capacity	1800mAh
Charge Time	≤4h	Battery Life	＞20h（AUX IN）
Charge Time	≤4h	Battery Life	＞10h（USB IN）
USB DAC	Up to 384kHz/32bit supported	DSD Support	DSD64/128/256
Line output specifications
THD+N	＜0.003% (1 kHz/10kΩ)	SNR	≥110 dB (A-weighted)
Frequency Response	6 Hz~80 kHz（-3dB）	Channel Separation	＞90 dB (1 kHz)
Headphone out specifications (3.5mm headphone out jack)
Output Power 1	≥112 mW（16Ω / THD+N＜1%)	Output Impedance	＜1.2Ω (32Ω loaded)
Output Power 2	≥75mW（32Ω /THD+N＜1%)	Channel Separation	≥79 dB (1 kHz，AUX IN)
Output Power 3	≥11 mW（300Ω / THD+N＜1%)	THD+N	＜0.002% (1 kHz, AUX IN)
Output Power 3	≥11 mW（300Ω / THD+N＜1%)	THD+N	＜0.003% (1 kHz, USB IN)
Frequency Response	5 Hz~55 kHz（-3dB）	Peak Output Voltage	＞4.4 Vp-p
SNR	≥116 dB (A-weighted, AUX IN)	Max. Output Current	150mA (For reference)
SNR	≥109 dB (A-weighted, USB IN)	Max. Output Current	150mA (For reference)
Gain	-2.5dB (G=L)	Max. Input Level	3.4V
Gain	3.2dB （G=H）	Max. Input Level	3.4V
Balanced headphone out specifications (2.5mm TRRS headphone out jack)
Output Power 1	≥240 mW（16Ω / THD+N＜1%)	Output Impedance	＜2Ω (32Ω loaded)
Output Power 2	≥220 mW（32Ω /THD+N＜1%)	Channel Separation	≥93 dB (1 kHz，AUX IN)
Output Power 3	≥45 mW（300Ω / THD+N＜1%)	THD+N	＜0.002% (1 kHz, AUX IN)
Output Power 3	≥45 mW（300Ω / THD+N＜1%)	THD+N	≤ 0.003% (1 kHz, USB IN)
Frequency Response	6 Hz~80kHz（-3dB）	Peak Output Voltage	＞7.4 Vp-p
SNR	≥115 dB (A-weighted, AUX IN)	Max. Output Current	150 mA (For reference)
SNR	≥109 dB (A-weighted, USB IN)	Max. Output Current	150 mA (For reference)
Gain	3.2dB (G=L)	Max. Input Level	3.4 Vrms
Gain	9.1dB （G=H）	Max. Input Level	3.4 Vrms

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Q1 FAQ

Frequency Response diagram of curves 1.
Test condition：play -5 dB sinusoidal signal, AUX IN, High Gain, 3.5mm headphone output (32Ω loaded)
Blue curve: Left channel , Red curve: Right channel

①Bass=OFF；

②Bass=ON;

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Frequency Response diagram of curves 2.
Test condition：play -5 dB sinusoidal signal, AUX IN, High Gain, 2.5mm headphone output (32Ω loaded)
Blue curve: Left channel , Red curve: Right channel

①Bass=OFF；

②Bass=ON;

Frequency Response diagram of curves 3.
Test condition：USB IN, Lineout(10 kΩ loaded)
Blue curve: Left channel , Red 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：USB IN, High Gain, 3.5mm headphone output (32Ω loaded)
Blue curve: Left channel , Red curve: Right channel

①Bass=OFF；

②Bass=ON;

Frequency Response diagram of curves 5.
Test condition：USB IN, low Gain, 2.5mm headphone output (32Ω loaded)
Blue curve: Left channel , Red curve: Right channel

①Bass=OFF；

②Bass=ON;