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- Sennheiser HD 400U Wired Earphones vs Sennheiser CX True Wireless Stereo (TWS) Earphones
Sennheiser HD 400U Wired Earphones vs Sennheiser CX True Wireless Stereo (TWS) Earphones comparison
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| key specs | ||||
| Headphone Type | In-Ear | In-Ear | ||
| Microphone | Yes | Yes | ||
| Connectivity | Wired | True Wireless Stereo (TWS) | ||
| Type | Earphones | Earphones | ||
| general | ||||
| Brand | Sennheiser | Sennheiser | ||
| Model | HD 400U Wired Earphones | CX True Wireless Stereo (TWS) Earphones | ||
| Release date | April 22, 2026 | - | ||
| Type | Earphones | Earphones | ||
| Headphone Type | In-Ear | In-Ear | ||
| Connectivity | Wired | True Wireless Stereo (TWS) | ||
| product details | ||||
| Microphone | Yes | Yes | ||
| Cord Length (Metres) | 1.2 | - | ||
| Driver Type | Dynamic | Dynamic | ||
| Driver Size (mm) | 9.7 | 7 | ||
| Weight (g) | 14.30 | 6.00 | ||
| Water Resistant | - | IPX4 | ||
| Weight With Case (g) | - | 37 | ||
| sound features | ||||
| Impedance (Ohms) | 28 | - | ||
| Active Noice Cancellation | No | - | ||
| Frequency Response Range | 17Hz-20,000Hz | 100Hz-10,000Hz | ||
| Sensitivity (dB) | - | 110 | ||
| connectivity features | ||||
| Bluetooth | - | Yes | ||
| Bluetooth Version | - | 5.2 | ||
| Bluetooth Codec Support | - | SBC,AAC,aptX | ||
| battery features | ||||
| Charging Port | - | USB Type-C | ||
| Charging Time (Hrs) | - | 1.5 | ||
| Battery Life (Hrs) | - | 27 | ||
| Battery Life (Hrs) Earpieces Only | - | 9 | ||
| Battery Life (Hrs) With Case Total | - | 27 | ||
| Battery Capacity (mAh) Earpieces | - | 55 | ||
| Battery Capacity (mAh) Case | - | 400 | ||
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