Q3_parameters

Q3
Q1MKII

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

Q3 Comparison

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