joinally Posted August 7, 2019 Share Posted August 7, 2019 The QA390 is a mobile all-in-one machine powered by more than 10000mAH.Dual AK4497 DAC chip, ALL TO DSD mode, dual 1000000uF The balanced amp's highest output is close to 30V RMS The final stage power tube current output capability is 2700mAHeadphone interface: single-ended interface: 6.35, 3.5; balanced interface: 2.5, 3.5, 4.4, 4-core XLR. Built-in single-chip single-threaded SD card player, HWA (LHDC) HD Bluetooth inputdual USB interface All the way to the phone or tabletItalian interface, the connection to the computer phone tablet is excellent. Coaxial, fiber-optic input, as a DAC integrated machine is also very good. RCA and balanced XLR analog output, easy to connect directly to the amp, power amplifier, optional programmable analog volume preamp outputSize: 200mm*180mm*45mmWeight: 1.8kg Link to comment
Doak Posted August 7, 2019 Share Posted August 7, 2019 A gorgeous little thing. Any pics of the rear panel? Doak's Audio System Link to comment
seeteeyou Posted August 7, 2019 Share Posted August 7, 2019 Here it is http://www.qlshifi.com/bbs/dispbbs.asp?boardid=2&Id=15116 Doak 1 Link to comment
Jacob Posted October 17, 2020 Share Posted October 17, 2020 joining this thread - to share my good impresions. Link to comment
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