Quloos QLS QA390 Limited version 2021 ES9038 PRO HiFi Lossless Music Player DAC Decoder Headphone Amplifier

QULOOS QLS QA390 Limited version 2021 ES9038 PRO HiFi Lossless Music Player DAC Decoder Headphone Amplifier

Descriptions:
● Internal playback storage: one external SD card or TF card with card cover, in FAT32 format, the upper limit is 512GB.
● The supported code rate: 16- 32Bit, 44.1KHz ~ 352.8KHz, DSD64 ~ DSD128.
●USB interface-USB B port: Adopting authorized Italian interface Combo 384 and optimize hardware design, supports 32Bit/384KHz PCM and DSD256.
●USB interface -Micro port: Using SA9227 interface, iOs phones and PC do not need camera kits, with 32Bit/384KHz PCM and DSD128.
● Bluetooth: Bluetooth 5.0, supports AAC and SBC.
● Coaxial input: 75Ω matched impedance, supporting 24Bit/ 192KHz and DSD64 (DoP).
● Optical input: supports 24Bit/ 192KHz and DSD64 (DoP).
● Coaxial output: 0.5Vp- p75Ω, supports 24Bit/ 192KHz and DSD64 (DoP).
● Optical output: supports 24Bit/ 192KHz and DSD64 (DoP).

Analog output parameters:
Frequency response: 20-20KHz.
SNR: 122dB.
Dynamic range: 121dB.
Separation degree: 120dB.
Distortion: 0.0005%.

Low output level:
RCA (L&R) 2.5V (preamp closed).
XLR (L&R) 5.0V ((preamp closed)
SE (unbalanced) Max 10.5Vrms (high voltage in amp, ultra-high gain, 600Ω load).
BAL (balanced) Max 21Vrms (high voltage in amp, ultra-high gain, 600Ω load).

●The supported impedance of headphones: 80-600Ω.
● Decoding chip: ES9038PROx 1.
● Volume control (including preamp volume control): PGA2311UA analog program-controlled.
● Reference clock jitter: 0.038 picoseconds (38 femtoseconds).
● Charging interface: Type-C port or DC port, which supports fast charging and is compatible with QC standards.
● External power supply: DC 5.5*2.1 port, which can also be charged at the same time (panel switch).
● Battery life: about 8.5 hours (depending on setting, music format and load).
● Charging time: Type-C standard: 8~ 9 hours, Type-C fast charging /DC port: 4~ 5 hours.
● The Material of unit & remote control: Aluminum CNC
● Product weight: 3.1kg (Included the package)
● Size: 20cm X 18cmx4.45cm, 
    package size: 33cm X 27cm x 9cm


Package:
1. QA390 limited version *1
2. SanDisk 64GB TF card with card set) *1
3. USB3.0 card readers *1
4. USBAD to port B cable *1
5. TYPE-C charging cable *1
6. External power supply (charging) *1
7. Infrared remote controller *1

Single-ended headphone port rated output power:
32Ω, 1000mW/ch high voltage, high gain
300Ω, 360mw/ch  high voltage, super high gain
600Ω, 180mW/ch high voltage, super high gain

Balance the headphone port rated output power:
32Ω, 1300mW/ch voltage, high gain
300Ω, 1200mW/ch high voltage, super high gain
600Ω, 720mW/ch high voltage, super high gain