Swissonic MM-3, Active Studio Monitors, 2-Way system with Class-D stereo amplifiers, Power: 2 x 30 Watt peak, Equipped with: 3.5"" Woofer and 0.75"" Natural Silk tweeter, Crossover frequency at 2700 Hz, Frequency response: 75 - 20,000 Hz, Inputs: 6.3 mm jack balanced and unbalanced RCA, Dimensions per speaker (W x H x D): 140 x 200 x 165 mm, Weight: 5.1 kg (pair)