OnePlus Buds 4 55dB ANC Earbuds

Technical Specifications of OnePlus Buds 4

Dimensions & Weight

• Earbuds: 31 × 20.6 × 24.2 mm

• Charging Case: 65.4 × 52.4 × 25.3 mm

• Weight:

• Earbuds: 4.73 ± 0.2 g

• Charging Case: 39.57 ± 1 g

• Total: 49.02 ± 1 g

Audio Features

• Drivers: 11mm woofer + 6mm tweeter (dual drivers)
• Frequency Response: 15Hz – 40KHz
• Driver Sensitivity: 118 ± 1.3dB @1mW
• Microphone Sensitivity: -38 ± 1dB
• Microphones: 3 mics per earbud

• Impedance:

  • 18Ω ± 15% (Woofer)
  • 10Ω ± 15% (Tweeter)

• Sound Pressure Level (SPL): 96.5dB

• Rated Power: 10mW

Noise Cancellation

• Type: Real-Time Adaptive Active Noise Cancellation (ANC)
• Noise Reduction Depth: Up to 55dB
• Noise Reduction Frequency Range: Up to 5,500Hz
• Noise Control Modes:
  • ANC On
  • Adaptive Mode
  • Transparency Mode
  • ANC Off

• 3-Mic AI Call Noise Cancellation