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- boAt Nirvanaa 751 ANC Wireless Headphones vs Sennheiser HD221 Wired Headphones
boAt Nirvanaa 751 ANC Wireless Headphones vs Sennheiser HD221 Wired Headphones comparison
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| key specs | ||||
| Colour | Black | Black | ||
| Headphone Type | Over-Ear | Over-Ear | ||
| Microphone | Yes | - | ||
| Connectivity | Wireless | Wired | ||
| Type | Headphones | Headphones | ||
| general | ||||
| Brand | boAt | Sennheiser | ||
| Model | Nirvanaa 751 ANC Wireless Headphones | HD221 Wired Headphones | ||
| Release date | February 3, 2022 | April 11, 2016 | ||
| Colour | Black | Black | ||
| Type | Headphones | Headphones | ||
| Headphone Type | Over-Ear | Over-Ear | ||
| Connectivity | Wireless | Wired | ||
| Inline Remote | Yes | - | ||
| Model Number | - | HD221 | ||
| product details | ||||
| Microphone | Yes | - | ||
| Driver Type | Dynamic | - | ||
| Driver Size (mm) | 40 | - | ||
| Connector Size | 3.5mm | 3.5mm | ||
| Cord Length (Metres) | - | 1.2 | ||
| connectivity features | ||||
| Bluetooth | Yes | No | ||
| Bluetooth Version | 5 | - | ||
| Bluetooth Codec Support | SBC | - | ||
| Bluetooth range (Metres) | 10 | - | ||
| battery features | ||||
| Charging Port | USB Type-C | - | ||
| Charging Time (Hrs) | 1 | - | ||
| Battery Life (Hrs) | 65 | - | ||
| sound features | ||||
| Impedance (Ohms) | - | 16 | ||
| Sensitivity (dB) | - | 108 | ||
| Frequency Response Range | - | 19Hz-21,000Hz | ||
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