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- Sennheiser HD251 II Wired Headphones vs JBL J56BT Wireless Headphones
Sennheiser HD251 II Wired Headphones vs JBL J56BT 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 | - | Yes | ||
| general | ||||
| Brand | Sennheiser | JBL | ||
| Model | HD251 II Wired Headphones | J56BT Wireless Headphones | ||
| Release date | November 8, 2012 | September 18, 2014 | ||
| Colour | Black | Black | ||
| Type | Headphones | Headphones | ||
| Headphone Type | Over-Ear | Over-Ear | ||
| Connectivity | Wired | Wireless | ||
| Model Number | HD251 II | J56BT | ||
| product details | ||||
| Cord Length (Metres) | 1 | - | ||
| Connector Size | 3.5mm | - | ||
| Weight (g) | 140.00 | - | ||
| Microphone | - | Yes | ||
| Driver Size (mm) | - | 40 | ||
| sound features | ||||
| Impedance (Ohms) | 70 | - | ||
| Sensitivity (dB) | 120 | 115 | ||
| Frequency Response Range | 16Hz-22,000Hz | 20Hz-20,000Hz | ||
| connectivity features | ||||
| Bluetooth | No | Yes | ||
| Bluetooth Version | - | 3 | ||
| battery features | ||||
| Charging Time (Hrs) | - | 3 | ||
| Battery Life (Hrs) | - | 16 | ||
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