| Type | Installation speaker |
| Engineering Principle | 2-way free air system |
| Nom. /Music power handling | 70 / 140 watts |
| SPL (1 watt/1m) | 89 db (1 W, 1 m) |
| Frequency response | 42...40.000 Hz |
| Crossover frequency | 2.800 Hz |
| Woofer | 135 mm (5''), aluminum |
| Tweeter | 25 mm (1''), aluminum |
| Nominal Impedance | 8 ohms |
| Dimensions (WxHxD) | 40 x 19 x 7 cm (15.7'' x 7.5'' x 2.8'') |
| Installation opening | 36 x 15 cm (14.2'' x 5.9'') |
| Installation depth | 7 cm (2.8'') |
| Weight | 2 kg |
| Available accessories | ER 4 LCR |
| Special Features | Adjustable tweeter level Adjustable tweeter Gold-plated clamp contacts |
