xDuoo XQ-50 Pro Manual

1,Introduction
XQ-50 Pro is a HIFI Bluetooth audio receiver converter which adopts Qualcomm's
CSR8675 Bluetooth receiver chip, it support the Bluetooth 5.0, supports receive SBC,AAC, aptX,
aptX_LL, aptX_HD, LDAC signal. It adopts the high performance CS8406 digital audio converter
chip to transform the Bluetooth signal into high quality optical fiber/coaxial signal and output it,
which provides the high-definition sound source for digital decoder. The device also contains
the RCA analog circuit output function. The high performance ES9018K2M DAC is used
internally as the decoder chip to transform the Bluetooth signal into analog signal and then
provide it to power amplifier loudspeaker or Bluetooth speaker which can immediately change
the power amplifier loudspeaker or speaker into wireless power amplifier loudspeaker or
Bluetooth speaker.
2,Features
◆ 1.3 inch HD OLED screen;
◆ Built-in Qualcomm's CSR8675 bluetooth chip, support bluetooth 5.0;
◆ It supports SBC,AAC, aptX, aptX_LL, aptX_HD, LDAC signal;
◆ Adopt high performance CS8406 digital conversion chip;
◆ Adopt the high performance ES9018K2M DAC chip;
◆ Support PC USB DAC, and can be used immediately after it is plugged;
◆ High quality optical and coaxial digital output;
◆ High quality RCA line output;
◆ Compatible with Android and ios devices;
◆ The external high-gain Bluetooth antenna is used to ensure the lossless and stable signal
transmission.
3,Operation
1. Power / combination key
1） Power on / off: long press 3 seconds to turn on, and long press 3 seconds to turn off
2）Pairing: It will automatically enter the pairing state after power on. At this time, you can