Speaker system KEF Reference Model Four
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| Weight: | 49 kg |
| Description: | Outdoor, Hi-Fi, front speaker, number of lanes: 4 |
| Purpose: | Hi-Fi |
| Number of lanes: | 4 |
| Impedance: | 4 ohm |
| Sensitivity: | 92 dB |
| Crossover frequency: | 160 Hz; 500 Hz; 2.8 kHz |
| Location: | Floor |
| Maximum frequency: | 20000 Hz |
| Minimum frequency: | 35 Hz |
| Speaker type: | Front speaker |
| Finish options: | Black oak, rosewood |
| RF driver dimensions: | 25 mm |
| Woofer dimensions: | 2x250 mm |
| MF driver dimensions: | 3x160 mm |
| Max power: | 400 W |