Dynaudio Core Sub, Active Subwoofer, Speaker configuration: 4x 9"" woofers, Class D amplifier, Power: 1000 W (2x 500 W), Frequency response: 15 - 200 Hz (+/- 3dB), Max. SPL (sound pressure level): 120 dB, 24-Bit / 192 kHz converter, VESA mount compatible, Line input: XLR, Digital input: AES3 XLR, Dimensions (W x H x D): 390 x 514 x 365 mm, Weight: 48 kg