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XDUOO XQ50 PRO3 DAC Headphone Amplifier
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xDuoo XQ-50 PRO3 DAC Headphone Amplifier CS43131/CS8406 Bluetooth 5.1 aptX HD LDAC
The XDUOO XQ50 PRO3 is a DAC/headphone amplifier based on audiophile signal processing chips. A CS43131 chip converts a digital signal to analog and amplifies it for headphone output, while a CS8406 chip handles Bluetooth-to-optical/SPDIF signal processing. A Qualcomm QCC5125 Bluetooth receiver chip completes the package, enabling the xDuoo XQ-50 PRO3 to support standard Bluetooth codecs such as SBC and AAC, as well as high-definition codecs such as aptX, aptX LL, aptX HD and LDAC. In terms of interface, the XQ-50 PRO3 features a 360mW 6.35mm headphone output, a Toslink optical output, a coaxial SPDIF output and an RCA output. A USB-C 5V DC power port also enables the XQ-50 PRO3 to be used as a USB DAC. Additional benefits include a 1.3” color display and the ability to set various equalization parameters. This DAC/headphone amplifier is therefore an ideal solution for bringing Bluetooth connectivity to your existing Hi-Fi system and enjoying headphone listening.
xDuoo XQ-50 PRO3: Bluetooth 5.1
A Qualcomm QCC5125 Bluetooth 5.1 chip enables the XQ-50 PRO3 to support high-definition Bluetooth codecs: SBC, AAC, aptX, aptX LL, aptX HD and LDAC. The XQ-50 PRO3 is a Bluetooth gateway offering reliable, stable wireless transmission.
xDuoo XQ-50 PRO3: comfortable headphone amplification
Thanks to its 6.35 mm headphone output and 365mW into 32 ohm output power, this device can drive many of the headphones and IEMs available on the market. In addition, this headphone output maintains a THD+N of 0.008% and an SNR of 115dB for clear, detailed sound reproduction.
xDuoo XQ50 PRO3: USB DAC function
The 5V DC USB power port also enables the XQ-50 PRO3 to be used as a USB DAC by connecting it to a computer, for example.
xDuoo XQ-50 PRO3: audiophile components
Cirus Logic CS43131
Rather than relying entirely on its Bluetooth chip, the XQ50 PRO3 features an independent CS43131 DAC chip, ensuring high SNR and low distortion for clean, detailed reproduction.
Cirus Logic CS8406
The CS8406 chip, meanwhile, is dedicated to converting the Bluetooth signal to the Toslink optical and SPDIF coaxial outputs for high-quality signal processing, enabling the use of a DAC or amplifier following the XQ50 PRO3 with complete confidence.
xDuoo XQ-50 PRO3: EQ and color display
The XQ-50 PRO3's additional strengths lie in the possibility of using equalization parameters and in the fact that it features a pleasant 1.3-inch color display on its front panel.
Xduoo XQ-50 PRO3 overview
| 1 | Multifunction button |
| 2 | 6.35mm headphone output |
| 3 | Display |
| 4 | Volume control |
| 5 | RCA output |
| 6 | SPDIF coaxial output |
| 7 | Toslink optical output |
| 8 | 5V DC USB-C power port / USB-C DAC input |
| 9 | Bluetooth antenna |
Technichal characteristics
| Specifications | |
|---|---|
| Product type | DAC / Headphone amplifier |
| DAC / Headphone amplification chip | CS43131 |
| SPDIF interface | CS8406 |
| Bluetooth Chip | Qualcomm QCC5125 |
| Input | 1x USB-C Bluetooth |
| Output | 1x 3.5mm headphone output 1x RCA output 1x Coaxial output 1x Toslink optical output |
| Supported Bluetooth Codecs | SBC, AAC, aptX, aptX LL, aptX HD, LDAC |
| Bluetooth range | 10m |
| 6.35mm headphone output parameter | |
|---|---|
| Output power | 360mW @ 32 ohm (1kHz) |
| THD+N | 0.008% |
| SNR | 115dB |
| Crosstalk | 88dB |
| Parameters for other outputs | |
|---|---|
| THD+N | RCA : 0.002% Optical Toslink / Coaxial: 0.00087% |
| Output level | RCA : 2V Optical Toslink / Coaxial: 0.05VP-P |
| General | |
|---|---|
| Power supply | 5V DC 1A |
| Dimensions | 100 x 120 x 420 mm |
| Weight | 0.34kg |
| Package | 1x DAC Headphone amplifier XDUOO XQ50 PRO3 1x Bluetooth antenna 1x USB-C cable 1x 3.5mm to 6.35mm jack adapter |
| Input | Bluetooth |
| Input | USB |
| Output | RCA |
| Output | Jack 6.35mm |
| Output | Optical Toslink |
| Output | Coaxial SPDIF |
| DAC / ADC Chip | CS43131 |
| Max sampling rate | NC |
| Color | Gray |
| Class | Class D / T |
| Networking | No |
| Remote Control | No |
| Transmission / Reception protocol | Bluetooth |
| Supported Bluetooth codecs | aptX |
| Supported Bluetooth codecs | aptX LL |
| Supported Bluetooth codecs | AAC |
| Supported Bluetooth codecs | aptX HD |
| Supported Bluetooth codecs | LDAC |
| Supported Bluetooth codecs | SBC |
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