Mackie MRS10, Active Studio Subwoofer, Equipped with: 10"" (254 mm) woofer, Power: 120 Watts, Class A/B, Frequency range: 28 - 180 Hz, Bass reflex system, Crossover adjustable from 40 to 180 Hz, Phase reverse switch: 0°/180 °, Vibration absorbing rubber feet, 2x XLR and 6.3 mm jack input, 2x XLR and 6.3 mm jack output, Dimensions: 339 x 320 x 386 mm, Weight: 15 kg, Incl. foot switch for bypass function