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| IN THE BOX | |
|---|---|
| Sales Package | KEF Q4 Meta 2-way on-wall speaker | 
| General | |
|---|---|
| Brand | KEF | 
| Model | Q4 | 
| Color | black | 
| Crossover frequency | 1.8 kHz | 
| Impedance | 4 ? (min. 3.2 ?) | 
| Drive units | Uni-Q Driver Array: HF: 25 mm (1 in.) vented aluminium dome with MAT LF/MF: 130 mm (5.25 in.) aluminium cone | 
| Amplifier requirements | 10 - 150 W | 
| Sensitivity (2.83V/1m) | 86 dB | 
| Frequency range (-6dB) | 52 Hz - 20kHz | 
| Typical in-room bass response (-6dB) | 44 Hz | 
| Harmonic distortion (90dB, 1m) | <2% 145 Hz and above <1% 170 Hz - 20 kHz | 
| Frequency response (±3dB) | 65 Hz - 20 kHz | 
| Maximum output | 108 dB | 
| Dimension | |
|---|---|
| Dimension | 400 x 250 x 142 mm | 
| Weight | 5.7 kg | 
| Warranty | |
|---|---|
| Warranty Type | Official Manufacturer Warranty | 
| Warranty Period | 1 year |