K5 PRO (ESS) Desktop Amplifier & DAC
General specifications | |||
Name / Model No. | K5Pro | Hardware solution | DAC: ES9038Q2M,USB: XMOS XU208 |
Color | Black | Volume Scroll | Potentiometer+ADC Sampling |
Weight | ≈480g | FiiO Control | Unsupported |
Bluetooth format indication | Unsupported | Sampling rate indication | Blue:44.1KHz/48KHz Yellow:88.2/96/176/352.8/384/705.6/768KHz Green:DSD64/128/256/512 |
Firmware upgrade | System firmware and XMOS can be upgraded via USB | Recommended headphone impedance | 16~300Ω |
Maximum supported sampling rate | 768kHz-32bit/DSD512(USB DAC) | ||
192kHz-24bit(COAX) | |||
96KHz-24bit(OPT) | |||
Buttons and interfaces | |||
Buttons | Toggle switch*2(Gain switch+ Input switch) | USB | B type USB |
Coaxial in | RCA sockets | Optical in | Optical fiber socket |
Line out | RCA sockets | Phone out | 6.35mm |
Power parameters | |||
Power supply | DC15V 1.5A | Battery capacity | / |
Audio parameters | |||
Headphone output performance parameters(6.35mm,UAC/SPDIF IN) | |||
Output power | Output impedance | <1.2Ω | |
1250mW(32Ω,THD+N<1%) | Crosstalk | ≥80dB | |
140mW(300Ω,THD+N<1%) | Output level | 6.4Vrms | |
THD+N | <0.0009%(1kHz/-10dB@32Ω) | SNR | ≥118dB (dbA) |
Frequency response | 20Hz~50kHz: (-2dB) | Noise floor | Gain=H,<8uV(dbA) Gain=M,<6uV(dbA) Gain=L,<4uV(dbA) |
20Hz-20KHz:(-0.2dB) | |||
Headphone output performance parameters(6.35mm,Line IN) | |||
Output power | Output impedance | <1.2Ω | |
1500mW(32Ω,THD+N<1%) | Crosstalk | ≥64dB | |
170mW(300Ω,THD+N<1%) | Output level | 6.9Vrms | |
THD+N | <0.003%(1kHz/32Ω) | SNR | ≥118dB (dbA) |
Frequency response | 20Hz-20KHz:(-0.2dB) | Noise floor | Gain=H,<8uV(dbA) Gain=M,<6uV(dbA) Gain=L,<4uV(dbA |
Line output performance parameters(RCA,UAC/SPDIF/Line IN) | |||
THD+N | <0.0012%(1kHz/-10dB@10kΩ,UAC/SPDIF) | SNR | ≥115dB (dbA) |
<0.0008%(1kHz/10kΩ,Line IN) | Noise floor | ≤3.5uV(dbA) | |
Crosstalk | ≥95dB (1kHz/10kΩ) | Output level | 2Vrms (1kHz/10kΩ) |
Frequency response | 20Hz~50kHz: (-2dB) |
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