Active Two-Way MonitorsWith 3/4" tweeter and 3" woofer / midrange with a powerful bass reflex systemFrequency response: 55 - 20,000 Hz (-3 dB)Separate class D amplifiers for tweeters and woofersTotal of four power amplifiers with 7/18 W RMSFilter settings High Shelf (0, + 2 dB @ 4 kHz), Low Shelf (0, -3 dB @ 300 Hz), Desktop (-8 dB @ 300 Hz)Completely DSP controlledBluetooth compatible via A2DP protocolDimensions: 180 x 135 x 90 mmWeight: 1.72 kg