R4
| Enclosure Type | Rectilinear Bass Reflex (slot loaded) |
| Bass Driver | 2 x 150mm (2 x 6") woven kevlar cone |
| Midrange Driver | 125mm (5") woven kevlar cone |
| Tweeter | 25mm (1") fine weave textile dome |
| Frequency Response (+/-3dB) | 38Hz -20kHz |
| Sensitivity (2.83V@1m) | 88dB |
| Recommended Amplifier Power | 25 - 150W |
| Nominal Impedance | 8 Ohm Compatible |
| Dimensions (H x W x D) in mm | 1010 x 258 x 364 each |
| Weight | 25kg each |
| Stocked Colours | Piano Black , Piano White, Piano Deep Rosewood |