NEW K3_parameters

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General Specifications
Name/Model	New K3	Hardware scheme	XMOS: XU208, DAC: ES9038Q2M, LPF: TI OPA1612, AMP: OPA926×2
Color	Black	Volume control	ADC analog potentiometer
Weight	About 82g	Channel balance	N/A
Gain	L/H	FiiO Control	Not supported
Bluetooth codec indicator light	N/A	Sampling rate indicator	Supported
Deep standby	N/A	Firm upgrade	XMOS edition supports upgrade via USB
Bluetooth transmitting	N/A	Bluetooth receiving (5.0)	N/A
Bluetooth codec indicator light	N/A	Charging indicator light	N/A
Max sampling rate	384kHz-32bit/DSD256	Recommended headphone impedance	16~150 Ω
	192kHz-32bit/DSD64 (coaxial)
	96kHz-32bit (optical)
Buttons and Ports
Buttons	N/A	USB	USB Type-C (USB 1.0/USB 2.0)
Analog audio input port	N/A	Digital coaxial input port	N/A
Digital optical input port	N/A	Analog audio output port (LO)	Standard 3.5 mm
Balanced headphone output port	2.5mm	Headphone output port	Standard 3.5 mm
Power Supply Parameters
Power supply	DC5V 500mA (recommended)	Battery capacity	N/A
Charging time	N/A	Battery life (PO)	N/A
Audio Parameters
Parts of parameters of Line-out output
THD+N	＜0.0012% (1kHz/10kΩ/A-weighted)	SNR	≥121dB (A-weighted)
Channel separation	≥94dB (1kHz/10kΩ)	Noise floor	＜1.8μV (A-weighted)
Frequency response	20Hz~20kHz (-3dB)	LO output level	2.0Vrms (1kHz/10kΩ)
Parts of parameters of headphone output (3.5mm)
Output power 1	≥220mW (16Ω/THD+N＜1%, USB DAC)	Output impedance	＜1.0Ω (32Ω)
Output power2	≥120mW (32Ω/THD+N＜1%, USB DAC)	Channel separation	≥80dB (1 kHz/32Ω, USB DAC)
Output power3	≥13mW (300Ω/THD+N＜1%, USB DAC)	THD+N	＜0.0012% (1 kHz/32Ω/A-weighted)
Noise floor	＜2μV (A-weighted)	SNR	≥121dB (A-weighted)
Frequency response	20Hz~20kHz (-3dB)	Peak output voltage	＞5.6Vp-p
Parts of parameters of balanced headphone output (2.5mm)
Output power 1	≥344mW (16Ω/THD+N＜1%, USB DAC)	Output impedance	＜2Ω (32Ω)
Output power2	≥220mW (32Ω/THD+N＜1%, USB DAC)	Channel separation	≥113dB (1 kHz, USB DAC)
Output power3	≥26mW (300Ω/THD+N＜1%, USB DAC)	THD+N	＜0.0014% (1 kHz/32Ω/A-weighted)
Noise floor	＜3μV (A-weighted)	SNR	≥119dB (A-weighted)
Frequency response	20Hz~20kHz (-3dB)	Peak output voltage	＞7.9Vp-p

Frequency response curve 1 (Headphone output)

Test conditions: USB DAC in, -5dB sinusoidal signal, High gain, 48kHz 20Hz-20kHz,32Ω loaded

Frequency response curve 2 (Balanced output )

Test conditions: USB DAC in, -5dB sinusoidal signal, High gain, 48kHz 20Hz-20kHz, 32Ω loaded

Frequency response curve 3 (Line-out output)

Test conditions: USB DAC in, -5dB sinusoidal signal, High gain, 48kHz 20Hz-20kHz,10Ω loaded

New K3
K3

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