Wharfedale Opus TRI-Surround
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| Depth: | 180 mm |
| Description: | Shelf, for home theater, rear channel, number of lanes: 3, passive, bass-reflex type |
| Width: | 460 |
| Height: | 280 |
| Type: | Passive |
| Purpose: | For home theater |
| Number of lanes: | 3 |
| Impedance: | 6 ohm |
| Sensitivity: | 89 dB |
| Crossover frequency: | 700 Hz, 3.5 kHz |
| Location: | Shelf |
| Maximum frequency: | 44000 Hz |
| Minimum frequency: | 60 Hz |
| Acoustic design: | Bass-reflex type |
| Speaker type: | Rear channel |
| Finish options: | All models are varnished; veneer: black ash, maple, rosewood |
| RF driver dimensions: | 2x 25 mm |
| Woofer dimensions: | 170 mm |
| MF driver dimensions: | 2x 75 mm |
| Emitter type: | Dynamic |
| Max power: | 100 W |
| Wall mount: | There is |
| Wired connection method: | bi-wiring |