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- Sennheiser MM450 Wireless Headphones vs Sennheiser HD660S Wired Headphones
Sennheiser MM450 Wireless Headphones vs Sennheiser HD660S Wired Headphones comparison
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| key specs | ||||
| Colour | Black | Black | ||
| Headphone Type | On-Ear | Over-Ear | ||
| Microphone | Yes | - | ||
| Connectivity | Wireless | Wired | ||
| Type | Headphones | Headphones | ||
| general | ||||
| Brand | Sennheiser | Sennheiser | ||
| Model | MM450 Wireless Headphones | HD660S Wired Headphones | ||
| Release date | June 11, 2013 | November 10, 2017 | ||
| Colour | Black | Black | ||
| Type | Headphones | Headphones | ||
| Headphone Type | On-Ear | Over-Ear | ||
| Connectivity | Wireless | Wired | ||
| Model Number | MM450 | HD660S | ||
| product details | ||||
| Microphone | Yes | - | ||
| Connector Size | 3.5mm | 6.5mm | ||
| Cord Length (Metres) | - | 3 | ||
| Weight (g) | - | 260.00 | ||
| sound features | ||||
| Sensitivity (dB) | 107 | 104 | ||
| Frequency Response Range | 15Hz-22,000Hz | 9Hz-41,500Hz | ||
| connectivity features | ||||
| Bluetooth | Yes | No | ||
| Bluetooth Version | 2.1 | - | ||
| Bluetooth Codec Support | SBC,aptX | - | ||
| battery features | ||||
| Charging Time (Hrs) | 3 | - | ||
| Battery Life (Hrs) | 20 | - | ||
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