Professional Review:https://youtu.be/HR-QQLpZLQk
Product details:
DAC-X6MKII is a DAC with a headphone amplifier, which can be used for the preamplifier. Also, it is a Bluetooth receiver. It has Multiful inputs, including Bluetooth 5.0 support APTX, SPDIF, Coaxial, PC-USB, and RCA.
Industry's highest performance 32-bit mobile audio DAC with unprecedented dynamic range and ultra-low distortion
Supports both synchronous and ASRC (asynchronous sample rate converter) modes
De-emphasis for 32kHz, 44.1kHz, and 48kHz sampling
User-programmable filter allowing custom roll-off response
Allows software control MCU of DAC features
High quality original ESS9018 DAC chip specification
DAC-X6MKII is not only a DAC that can be used preamplifier, but it is a headphone amplifier, Using the IC chip TPA6120.
The high-quality original IC chip TPA6120specification :
SNR of 128dB A-Weighted.
THD of 112.5dB
Current-Feedback Architecture
Output Voltage Noise of 0.9μVrms at
Gain = 1V/V (16Ω Load)
Power Supply Range: ±5V to ±15V
1300V/μs Slew Rate
Can be configured for Single-Ended or Differential Inputs
Independent Power Supplies for Low Crosstalk
DAC technical data specification:
Chipset:STM8+CM6642+ESS9018+TPA6120+OP275+OCC3003(BLuetooth 5.0)
Sampling Rate: 24Bit/ 192kHz
RCA RMS level: 2Vrms
Headphone power output:940mW@16Ω, 900mW@32Ω,700mW@64Ω, 450mW@120Ω
Headphone THD: 0.006%
Headphone SNR: 112dB
Headphone Frequency Response: ±0.5dB(20Hz-20kHz)
Input: Optical,PC-USB,Coaxial, BT
Output: RCA, 6.35mm Headphone
DC power supply: 12V 1A
Unit Size:11.7 x 17.8 x 3.6cm