Anker soundcore Liberty 4 NC

Brand: Anker
Model: A3947 / A3947H11
Category: True Wireless Earbuds

Overview

The Anker Liberty 4 NC / A3947H11 earbuds are designed to deliver an advanced, high-quality audio experience, featuring custom-tuned drivers and cutting-edge technologies such as Adaptive ANC and LDAC for clear, detailed sound. Equipped with 6 built-in microphones and wireless Bluetooth 5.3/5.4 connectivity, these earbuds provide seamless calls and music playback, with a long-lasting battery of up to 50 hours with the charging case.

Key Features

• Custom-tuned drivers for clear, detailed sound (11mm).

• BassUp & LDAC technology for enhanced low frequencies and 3× more data transfer than standard Bluetooth for Hi-Res wireless audio.

• Active Noise Cancellation (ANC / ANC 2.0) isolates ambient noise and adapts to your ear canal and environment.

• 6 built-in microphones for clearer voice capture during calls.

• Impedance 10–120 Ohm for balanced, precise audio performance.

• Long battery life:

  • Up to 50 hours with the charging case.

  • Up to 10 hours continuous play per earbud.

• Fast charging: 10 minutes provides approximately 2 hours of playback.

• High-sensitivity In-Ear design for effective noise isolation and enhanced listening experience.

• Advanced wireless connectivity (Bluetooth 5.3/5.4) for stable connection and low power consumption.