xDuoo XP-2PRO Bluetooth and USB DAC Headphone Amplifier User Manual

Product Introduction:

XP-2 Pro is a portable high-end decoding headphone amplifier that integrates USB, Bluetooth, and line input; the output power is 300mW per channel, and the USB IN supports PCM32bit / 384kHz, 05D256, DXD 32bit / 384 kHz; The Bluetooth chip adopts Qualcomm ‘s CSR8675, support Bluetooth 5.0, support LDAC, aptX HD, and other high-definition audio encoding format transmission, add a built-in custom high-sensitivity audio microphone, support Bluetooth voice calls, equipped with Qualcomm’s new generation of CVC voice drop Noise technology, the call is clearer, let you chat easily.

Product Features:

• It has a USB decoding function, which uses high-performance chip XMOS XU208, works in asynchronous mode, and supports up to PCM 384kHz/32bit DXD 384kHz/32bit and DSD256;
• Using USB OTG cable connection, support for Android/10S phones’ or music players’ USB audio decoding, support up to 32Bit/384KHz PCM and DSD256 signal;
• It adopts Qualcomm’s CSR8675, support Bluetooth 5.0
• Support: S8C, AAC, APTX, APTX_LL, APTX_HD, LDAC high-definition audio decoding formats;
• It uses a high-Performance DAC chip: AK4452:
• It uses a 0P+BUF circuit framework with high driveability;
• Dual-level gain adjustment is equipped externally, which is suitable for headphones with different resistances;
• The housing is made of high-strength aluminum alloy.

Product Parameter:

• Bluetooth Ye’ et 5.0
• Support Bluetooth Formats: SBC, AAC, APTX, APTX_LL, APTX_HD, LDAC
• USB Compliant OS: windows 7/8/10, Mac OS X, 10S, Android system
• USB Sampling Rate: PCM 16-32Bit/44.1k-384kHz, DSD64-256
• Bluetooth Sampling Rate: 16-32Bit/44.1k-96kHz
• Frequency Response: USB/Bluetooth: 20Hz-20kHz AUX IN: 10Hz-100kHz
• Gain: +3/+9dB
• THD+N: 0.001% (1kHz)
• Output Power: 300mW @320
• S/N: 115dB
• Crosstalk: 7548
• Battery: 3.7V/1800mAH
• Battery Life: AUX IN z22H
• Bluetooth input: 215H USB IN: z 8H
• Charge time: s3H Size: 1055516mm
• Weight:142g F

Operation Description:

1. Microphone: only supports phone call mode

2. Bluetooth Pairing/Play Button: Short press to play/pause music, Long press 3 seconds to forcibly enter the Bluetooth pairing state.

3. Gain Switch: Adjust to suit different impedance headphones

4. Input Selection Button: Press to select Bluetooth (blue light)/USB (red light)/AUX in (green light)

5. Headphone out

6. AUX IN/OUT: It is AUX OUT when is USB in or Bluetooth in

7. Volume Knob (with On/Off function): Rotate the knob to turn on and slowly rotating the knob clockwise increases the sound.

8. Charging Port : Charging power supply specification is above 5V/1A (both 2A and 3A are OK).

9. USB Audio Input Interface: It can connect with a mobile phone, computer, and another audio device by USB wire for decoding.
   *(Note:** this port will not use the power from the Phone/PC.

10.  Indicator light: When Bluetooth in, in pairing mode, the blue light flashes slowly, and after a successful pairing, it is steady on. The Bluetooth format indicator is SBC—blue, AAC—cyan, aptX/aptX LL/aptX HD—purple, LDAC—white. When USB is in, the red light is on. The sampling rate indication is 44.1K/48K-red, 88.2K/96K-cyan, 176.4K-384K-purple, DSD64-256 -white; In AUX mode, the green light is on; When the power is less than 20%, the orange light is always on In charging mode(turn off the unit), the red light is always on and the green light is full.

Using Example:

1. Bluetooth Connection Turn on this unit and select Bluetooth in. Search and connected by your mobile phone/computer, playing music. Insert the headphone to the phone port and adjust the sound volume to a suitable position, so you can enjoy the wonderful music.

*Precautions for Bluetooth:

1. The product will enter the matching mode automatically at first turning on. Search this device (Bluetooth name is XP-2 pro) for connection;

2. After turning on, the device will be connected with the last connected Bluetooth device;

3. If it is necessary to connect with another Bluetooth, you can press the pairing button to disconnect the original device forcibly.

4. Connect With Computer USB For Decoding Turn on this unit and select to USB in, connect to PC’s USB port by USB cable. After connecting the computer successfully, the speaker icon of the computer will light up. Then set the audio’s output device as this unit on the computer, play the music. Insert the headphone into the phone port and adjust the sound volume to a suitable position, so you can enjoy the wonderful music.

5. Connect With Cell phone For Audio Decoding Turn on this unit and select to USB in, connect to phone’s USB port by USB OTG cable. (for Android phone, use USB OTG wire, while for Apple phone, use lightning OTG cable). After the connection is successful, the headphone icon will be displayed in the upper right corner of your phone, then the phone reminds you to set the device as the default device and click OK. Play the music on the phone, insert the headphone to the phone port and adjust the sound volume to a suitable position, so you can enjoy the wonderful music.

Note: Note:

1. when connecting to a cell phone, if the connection is successful, the headphone icon will be shown in the upper right corner of a cell phone. If the connection is not successful, please check whether the USB OTG option of the mobile phone is turned on;

2. Because some Android phones don’t support OTG output, you
   can attempt to download HiFi Musk APP from the APP store. If the HiFi Music player output is successful, you can use it if not, it indicates that this phone doesn’t support the USB output function.

3. For the first connection, please adjust the sound volume of the phone to Max. level.

4. AUX IN Connection Turn on this unit and select AUX IN. Connect the player that has Line out by 3.5-3.5 audio cable. Then play music, insert the headphone into the PHONE port, adjust the sound volume to a suitable position, so you can enjoy the wonderful music.

Installing PC USB Drive:

1. It is necessary to install the driver when connecting this unit to the computer. ( it is not necessary to install drivers if is MAC)
2. Please download the driver from the official website http://www.xduoo.com. Select XDUOO USB DRIVER (installation manual is attached in package).

Charging unit

1. Charger specifications: output voltage 5V, output current ak
2. When charging, the red light is on; will turn green when fully charged.
3. About 3 hours for full charging.
4. If using PC USB power to charge, it will take 4 hours.
5. Can be charged when the device is working, but it will take more time. Advice you charge it after turning it oft
6. If you planning not to use the XP-2Pro for a long time, charge it every half year to avoid excessive battery discharge.

Troubleshooting:

If you run into any problems using this unit, use the following checklist and read the Troubleshooting. If you run into any problems using this unit, use the following checklist and read the product support information on the user’s manual Should any problem persist, consult your nearest xDuoo dealer or consult us.
The unit does not turn on.
→Charge the battery of the unit
→ When battery life reduces to hale the battery is approaching the end of its service life. Consult your nearest xDuoo dealer for replacement
The battery cannot be charged.
→Check that the charge switch of the unit is turned on.
→Check that the unit and your computer are firmly connected using the USB cable.
→Check that the computer is turned on and not in standby or sleep mode. USB AC adaptor that is not recommended is being used.
→The battery is fully charged.
No sound
→Turn up the volume of the connected device or the unit.
→Check that the unit and the audio device are connected correctly.
→Check that the connected device is turned on.
→When connected to a computer, there is no sound or sound is not played back properly, check the device setting of your computer is correct.
Failed to install USB driver for windows
→Check that the unit is connected to the computer.
Failed to connect to a computer
→Check that the USB driver is successfully installed.

Warranty Information:

Our products have 12 months from the date of sale, free warranty service. If beyond 12 months of the warranty period from the date of sale, our company will charge the cost of the parts according to the product malfunction. Accessories are not covered by warranty.
FCC Warning Statement
Changes or modifications not expressly approved by the party responsible for compliance could void the authority to operate the equipment. This equiarneil has been tested and found to comely in the Irma for a Class B digital device, pursuant to Part 15 of the FCC Rules. These Imo are designed to provide reasonable pectecban egoist harmful Sentience in a resantat istaIlabon Th-s segment generates uses and can .adobe radiofrequency energy and. of not intellect and used in accordance wet+ the instructions. nay wise harmful interference a radio ccerimneabons flimsier. Their e no guarantee that interference will not occur m a particular istaIlabon If Ins equipment does cause harmful Sentience to rade or even reception. which can be determined by turning the edwiatent oil and on. the user is encouraged to WY to correct the interference by one or more of the Coleman meanies:

• Reorient a relocate the record enema.
• Increase the: cadence between the equipment and waver.
• Connect the equpmere into an outlet on a <nut dearer from that to which the receiver a
• Consult the dealer or an experienced rxliorTV I.:dm: son for help.

This device candies with part 15 of the FCC Rules. Operated is subject to the blowing eve ecodtens: (1) The device may not come hateful interference. and (2) this close must accept any interference received including interference that may cane undesired Wombat

xDuooTechonlogyCo., LTD
Room F1510, MingYueHuaDu Building, GongHe Industrial Road, Xixiang Town,
Ba&an, Shenzhen, China
phone:+86-0755-29799189
post-code:518000
Email:serice@xduoo.com

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