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| ratings | ||||
| Overall NDTV Rating | Read Review | - | ||
| Design / Comfort Rating | - | |||
| Audio Quality Rating | - | |||
| Battery Life Rating | - | |||
| Value For Money Rating | - | |||
| key specs | ||||
| Colour | White | - | ||
| Headphone Type | Over-Ear | Over-Ear | ||
| Microphone | Yes | Yes | ||
| Connectivity | True Wireless Stereo (TWS) | Wireless | ||
| Type | Headphones | Headphones | ||
| general | ||||
| Brand | Sony | Sennheiser | ||
| Model | Inzone H9 II True Wireless Stereo (TWS) Headphones | Momentum 4 Wireless Headphones | ||
| Release date | November 20, 2025 | August 1, 2022 | ||
| Colour | White | - | ||
| Type | Headphones | Headphones | ||
| Headphone Type | Over-Ear | Over-Ear | ||
| Connectivity | True Wireless Stereo (TWS) | Wireless | ||
| Model Number | - | Momentum 4 Wireless | ||
| product details | ||||
| Microphone | Yes | Yes | ||
| Driver Size (mm) | 30 | 42 | ||
| Weight (g) | 260.00 | - | ||
| Driver Type | - | Dynamic | ||
| Number of Drivers | - | 1 | ||
| sound features | ||||
| Impedance (Ohms) | 440 | - | ||
| Sensitivity (dB) | 111 | 106 | ||
| Active Noice Cancellation | Yes | - | ||
| Frequency Response Range | - | 6Hz-22,000Hz | ||
| connectivity features | ||||
| Bluetooth | Yes | Yes | ||
| Bluetooth Version | 5.3 | 5.2 | ||
| Bluetooth Codec Support | SBC, AAC | SBC,AAC,aptX,aptX Adaptive | ||
| 2.4GHz Wireless Connectivity | Yes | - | ||
| battery features | ||||
| Charging Port | USB Type-C | USB Type-C | ||
| Charging Time (Hrs) | 2.5 | - | ||
| Battery Life (Hrs) | 30 | 60 | ||
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