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  • Description
    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

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

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