Design: Surround 2-way, 2 drivers, Wall mounts 12mm MDF TLIE enclosure Crossover points 4.3kHz High-Frequency Driver: 25mm (1”), TPTTD, TWG faceplate, TTP  Bass / Midrange Driver: 133mm (5.25”), TPACD Recommended Amplifier Power: 20-120W Frequency Response: 44Hz-40kHz Impedance: 6 ohm Sensitivity: 87dB Dimensions (H x W x D): 26 x 17 x 15 cm Weight (net): 6.6 kg pair (PVC) 7.9 kg pair (High Gloss)