Superlux HD-681B
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| Weight: | 235 g |
| Equipment: | Case |
| Design: | Full size |
| Description: | Design: full-size, device type: wired headphones, design features: straight plug, plug connector: mini jack 3.5 mm, acoustic design type: semi-open |
| Additional Information: | Cable connection: one-sided |
| Plug connector: | mini jack 3.5 mm |
| Impedance: | 32 ohm |
| Sensitivity: | 98 dB |
| Included: | Adapter 6.3 mm |
| Length of cable: | 2.5 m |
| Design features: | Straight plug |
| Device type: | Wired headphones |
| Mount type: | Headband |
| Max power: | 300 mW |
| Maximum playback frequency: | 30000 Hz |
| Minimum repeatable frequency: | 10 Hz |
| Technology: | Dynamic |
| Membrane diameter: | 50 mm |
| Type of acoustic design: | Semi-open |
| Sensitivity options: | DB/mW |