Sony MDRXB650BT
Contents
Sony MDRXB650BT Extra Bass Bluetooth Headphones User Manual
Model: MDRXB650BT/B
1. Introduction
This manual provides essential information for the safe and effective use of your Sony MDRXB650BT Extra Bass Bluetooth Headphones. These headphones are designed to deliver powerful, clear audio with enhanced bass, offering wireless freedom via Bluetooth and NFC connectivity. They feature 30mm drivers for optimal sound and a long-lasting battery for extended listening.

Image 1: Front view of the Sony MDRXB650BT Extra Bass Bluetooth Headphones.
2. Setup
2.1 Charging the Headphones
Before initial use, fully charge the headphones. A full charge takes approximately 4 hours and provides up to 30 hours of battery life.
- Connect the supplied USB charging cable to the micro-USB port on the headphone.
- Connect the other end of the USB cable to a powered USB port (e.g., computer, USB wall adapter).
- The indicator light will illuminate during charging and turn off when charging is complete.
2.2 Pairing via Bluetooth
To connect your headphones wirelessly to a device:
- Ensure the headphones are charged and powered off.
- Press and hold the power button for approximately 7 seconds until the indicator light flashes blue and red alternately, indicating pairing mode.
- On your device (smartphone, laptop, etc.), enable Bluetooth and search for available devices.
- Select "MDR-XB650BT" from the list of found devices.
- If prompted, enter the passcode "0000".
- Once connected, the indicator light will flash blue slowly.
2.3 Pairing via NFC (Near Field Communication)
For NFC-compatible devices, pairing is even simpler:
- Ensure NFC is enabled on your device and the headphones are powered on.
- Touch your NFC-compatible device to the N-Mark on the left earcup of the headphones.
- Follow any on-screen prompts to complete the pairing.

Image 2: Close-up of the earcup with controls for power, bass effect, and charging port.
3. Operating the Headphones
3.1 Power On/Off
- Power On: Press and hold the power button until the blue indicator light flashes.
- Power Off: Press and hold the power button until the red indicator light flashes, then turns off.
3.2 Music Playback Controls
- Play/Pause: Press the multi-function button once.
- Next Track: Press the multi-function button twice quickly.
- Previous Track: Press the multi-function button three times quickly.
- Volume Up/Down: Use the volume rocker buttons (+/-) on the earcup.
3.3 Call Management
The built-in microphone allows for hands-free calls.
- Answer/End Call: Press the multi-function button once.
- Reject Call: Press and hold the multi-function button for approximately 2 seconds.
3.4 Bass Effect
Activate the EXTRA BASS feature for a more powerful low-end sound.
- Toggle Bass Effect: Press the "BASS EFFECT" button on the earcup. An indicator light will show if it's active.

Image 3: Side view of the Sony MDRXB650BT Extra Bass Bluetooth Headphones, highlighting the adjustable headband and earcups.
4. Maintenance
Proper care ensures the longevity and performance of your headphones.
- Cleaning: Wipe the headphones with a soft, dry cloth. Do not use alcohol, benzene, thinner, or other chemical cleaners.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To maintain battery health, avoid fully discharging the battery frequently. Charge it regularly, even if not in use for extended periods.
- Water Resistance: These headphones are not water-resistant. Avoid exposure to moisture.
5. Troubleshooting
- No Power: Ensure the headphones are charged. Connect to a power source and check the charging indicator.
- Cannot Pair: Make sure the headphones are in pairing mode (flashing blue and red). Ensure your device's Bluetooth is on and within 10 meters range. Try restarting both devices.
- No Sound/Low Volume: Check the volume levels on both the headphones and your connected device. Ensure the headphones are properly paired.
- Poor Sound Quality: Move closer to your connected device to reduce interference. Ensure there are no obstacles between the headphones and the device.
- Call Issues: Ensure the headphones are connected and selected as the audio output for calls on your device.
6. Specifications
| Feature | Specification |
|---|---|
| Model Name | MDR-XB650BT |
| Connectivity Technology | Wireless (Bluetooth 4.2) |
| Audio Driver Size | 30 Millimeters |
| Frequency Response | 20 Hz – 20,000 Hz |
| Battery Life | Up to 30 Hours |
| Charging Time | Approx. 4 Hours |
| Bluetooth Range | 10 Meters |
| Item Weight | 6.7 Ounces |
| Product Dimensions | 7.68 x 3.27 x 9.81 inches |
| Special Features | Microphone Included, EXTRA BASS, NFC |
| Headphones Jack | No Jack |
| Water Resistance Level | Not Water Resistant |
7. Official Product Videos
Sony MDRXB650BT/B Extra Bass Bluetooth Headphones, Black
Video 1: An overview of the Sony MDRXB650BT/B Extra Bass Bluetooth Headphones in Black, showcasing their design and features. This video provides a general introduction to the product.
Sony Extra Bass
Video 2: A promotional video highlighting the Extra Bass feature of Sony headphones, demonstrating the powerful audio experience they offer.
8. Warranty and Support
Your Sony MDRXB650BT headphones come with a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. For technical support, service, or additional information, please visit the official Sony support website or contact their customer service.
Included Components: Headphone, Warranty Card
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