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- Sennheiser HD251 II Wired Headphones vs Sony MDR7509HD Wireless Headphones
Sennheiser HD251 II 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 | HD251 II Wired Headphones | MDR7509HD Wireless Headphones | ||
| Release date | November 8, 2012 | October 2, 2001 | ||
| Colour | Black | Black | ||
| Type | Headphones | Headphones | ||
| Headphone Type | Over-Ear | Over-Ear | ||
| Connectivity | Wired | Wireless | ||
| Model Number | HD251 II | MDR7509HD | ||
| product details | ||||
| Cord Length (Metres) | 1 | - | ||
| Connector Size | 3.5mm | 3.5mm | ||
| Weight (g) | 140.00 | - | ||
| Microphone | - | No | ||
| Foldable | - | Yes | ||
| sound features | ||||
| Impedance (Ohms) | 70 | 24 | ||
| Sensitivity (dB) | 120 | 107 | ||
| Frequency Response Range | 16Hz-22,000Hz | 5Hz-80,000Hz | ||
| connectivity features | ||||
| Bluetooth | No | Yes | ||
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