HARMAN Buds por 4

The Buds 4 Pro represent a flagship entry in the TWS (True Wireless Stereo) earbud market, offering a sophisticated blend of high-resolution audio, advanced noise cancellation, and seamless connectivity. Designed for audiophiles and general consumers alike, the Buds 4 Pro emphasize versatility, comfort, and smart functionality.

Technical Specifications

Audio & Drivers

Driver Composition: Dual dynamic coaxial drivers

10 mm aluminum alloy diaphragm

6 mm titanium diaphragm

Frequency Response: 20 Hz – 40,000 Hz

High-Resolution Audio Support: Yes (Hi-Res Audio Wireless certified)

Codec Support: SBC, AAC, LDAC (up to 990 kbps @ 24-bit/96 kHz)

Noise Cancellation

Type: Hybrid Active Noise Cancellation (ANC)

Noise Reduction Depth: Up to 43–48 dB

Adaptive ANC Levels: Adjustable via Earbuds App

Transparency Mode: Dual settings (Standard and Enhanced Voice)

Microphone & Calls

Microphone Array: Triple mic system (Feedforward, Feedback, and Talk mic)

Voice Pickup Unit: Yes, with dedicated VPU for wind noise suppression

Call Noise Reduction: Environmental noise cancellation (ENC) via AI

Battery & Charging

Earbud Battery Life: Up to 9 hours (ANC off)

Total Battery Life with Case: Up to 36 hours

Charging Interface: USB Type-C & wireless charging supported

Quick Charging: 5-minute charge provides ~2 hours of playback

Connectivity

Bluetooth Version: 5.3

Multi-Point Pairing: Yes (Simultaneous connection to two devices)

Latency Mode: Ultra-low latency mode available (suitable for gaming)

Design & Build

Form Factor: In-ear with silicone tips

Weight: 5 grams per earbud

Water Resistance: IP54-certified (dust and splash resistant)

Comfort: Ergonomically shaped for extended wear

Immersive Audio Quality
The dual dynamic driver architecture delivers deep bass, crisp mids, and detailed treble, making them suitable for a wide range of music genres.

Intelligent Noise Control
With hybrid ANC and dual transparency modes, users can effectively avoid ambient noise or stay aware of surroundings depending on the environment.

Stable & Versatile Connectivity
Bluetooth 5.3 ensures a reliable and power-efficient connection. Multipoint pairing enhances convenience for users with multiple devices.

Extended Battery Life
With up to 36 hours of total battery life (with the case), the Buds 4 Pro cater well to frequent travelers and daily commuters.

Ergonomic and Durable Design
Lightweight and IP54-rated, the earbuds are built for long listening sessions and light outdoor use.

Limitations

While ANC is effective for most environments, it may not match the depth and precision of top-tier competitors such as the Sony WF-1000XM5 or Pro 2.

The build of the charging case is relatively lightweight, which some users may perceive as less premium.

LDAC codec support is limited to compatible Android devices.

Target Audience

The Buds 4 Pro are ideal for:

Android users seeking Hi-Res wireless audio at a competitive price point.

Individuals needing effective ANC with ambient sound control for commuting or office use.

Consumers are looking for reliable multipoint Bluetooth functionality.

Budget-conscious buyers wanting flagship-level features without premium pricing.

Conclusion

The Buds 4 Pro offer a compelling combination of performance, comfort, and intelligent features at a mid-range price point. Their support for Hi-Res audio (via LDAC), adaptive noise cancellation, long battery life, and Bluetooth multipoint connectivity positions them as a versatile and high-value option in the true wireless earbud market. While not without limitations, especially in terms of ANC depth and case design, they remain a highly commendable choice for both casual and discerning listeners.