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The Samsung Galaxy Buds4 Pro represent a technical evolution within the brand’s audio catalog. They integrate a hardware architecture optimized for acoustic fidelity through dual amplification , Bluetooth 6.1 connectivity , and processing via Galaxy AI for intelligent noise management and advanced functions such as real-time translation.
The SM-R640 model incorporates IP57 certification , which allows for resistance to dust and immersion in fresh water up to 1 meter for 30 minutes , exceeding the usual IPX4 standard for TWS earphones.
The sound system uses a dual-driver configuration , consisting of an 11 mm woofer dedicated to bass frequencies and a 6 mm planar tweeter for high-frequency reproduction.
Energy management is achieved through a Dual Amp system , which controls each driver independently to avoid interference between frequency ranges and improve sound accuracy.
Audio transmission is handled via the Samsung Seamless Codec (SSC) , capable of achieving a resolution of 24-bit/96 kHz . This technology enables Hi-Fi playback compatible with Samsung Galaxy devices running One UI 6.0 or higher .
The Galaxy Buds4 Pro incorporate an Adaptive ANC v2.0 system based on artificial intelligence algorithms. The hardware integrates 6 microphones with a high signal-to-noise ratio (SNR) and a VPU (Voice Pickup Unit) dedicated to environmental analysis.
AI automatically adjusts the noise cancellation level according to ambient noise. Additionally, it incorporates safety features such as siren or alarm detection , which disable ANC to alert the user. When it detects human conversation, it automatically activates Ambient Mode and reduces the volume of multimedia content.
They feature Bluetooth 6.1 connectivity , compatible with LE Audio and Auracast , allowing the reception of public audio broadcasts in compatible environments.
The Auto Switch function allows you to automatically switch between devices associated with the same Samsung account, such as smartphones, tablets, watches, or televisions. However, the multipoint function is primarily optimized within the Galaxy ecosystem.
For multimedia content and games, the Audio 360 system allows multichannel playback up to 7.1.2 . Head tracking is managed via an IMU (inertial measurement unit) that integrates an accelerometer and gyroscope.
Control can also be performed via head gestures : you can nod affirmatively to answer calls or nod to reject them without needing to touch the earphones.
The system offers up to 6 hours of playback with ANC active and up to 26 hours total using the 530 mAh charging case .
It is compatible with fast charging via USB-C and Qi wireless charging .
| Model | Samsung Galaxy Buds4 Pro (SM-R640) |
|---|---|
| Type | TWS Wireless Earbuds |
| Drivers | 11 mm woofer + 6 mm planar tweeter |
| Amplification | Dual Amp (dual independent amplifier) |
| Codec | Samsung Seamless Codec (SSC) 24-bit / 96 kHz |
| Noise cancellation | Adaptive ANC v2.0 |
| Microphones | 6 microphones with VPU |
| Bluetooth | Bluetooth 6.1 |
| Technologies | LE Audio, Auracast, Audio 360, Galaxy AI |
| Advanced compatibility | Samsung Galaxy devices with One UI 6.0 or higher. |
| Autonomy | Up to 6 hours with ANC / up to 26 hours with case |
| Case capacity | 530 mAh |
| Loading | USB-C / Qi wireless charging |
| Resistance | IP57 (dust and water up to 1 m for 30 min) |
| Box contents |
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| brands | Samsung |
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