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Quad S-4 Floorstanding Loudspeakers
Technical specifications
| Enclosure Type | Sealed enclosure with auxiliary bass radiators (ABR) |
| Bass Driver |
DUAL 5 inch woven Carbon Fibre cone 3 x 5 inch ABR (rear-firing) |
| Midrange Driver | 4 inch woven Carbon Fibre cone |
| Tweeter | 0.5 x 2 inch Ribbon |
| Frequency Response (+/-3dB) | 44Hz - 23kHz |
| Sensitivity (2.83V@1m) | 88dB |
| Recommended Amplifier Power | 25-100W |
| Nominal Impedance | 6 Ohms |
| Dimensions (H x W x D) in mm | 925 × 180 × 300 (mm) |
| Weight | 16kg each |
| Available Colours |
Piano Black, Piano White Black Oak Veneer, Sapele Mahongany Veneer |




