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- Sennheiser HD 660S2 Wired Headphones vs Sony MDR7509HD Wireless Headphones
Sennheiser HD 660S2 Wired Headphones vs Sony MDR7509HD Wireless Headphones comparison
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| key specs | ||||
| Colour | Black | Black | ||
| Headphone Type | Over-Ear | Over-Ear | ||
| Connectivity | Wired | Wireless | ||
| Type | Headphones | Headphones | ||
| Microphone | - | No | ||
| general | ||||
| Brand | Sennheiser | Sony | ||
| Model | HD 660S2 Wired Headphones | MDR7509HD Wireless Headphones | ||
| Release date | March 14, 2023 | October 2, 2001 | ||
| Model Number | HD 660S2 | MDR7509HD | ||
| Colour | Black | Black | ||
| Type | Headphones | Headphones | ||
| Headphone Type | Over-Ear | Over-Ear | ||
| Connectivity | Wired | Wireless | ||
| product details | ||||
| Driver Type | Dynamic | - | ||
| Driver Size (mm) | 42 | - | ||
| Weight (g) | 260.00 | - | ||
| Microphone | - | No | ||
| Foldable | - | Yes | ||
| Connector Size | - | 3.5mm | ||
| sound features | ||||
| Impedance (Ohms) | 300 | 24 | ||
| Sensitivity (dB) | - | 107 | ||
| Frequency Response Range | - | 5Hz-80,000Hz | ||
| connectivity features | ||||
| Bluetooth | - | Yes | ||
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