Mackie MR824 8" 2-Way Powered Studio Monitor (Single) 8" Woofer and 1" Tweeter,Matched Amps and Drivers,85W Class-AB Amplification,Enhanced Waveguide System,Frequency Response: 35 Hz to 20 kHz,Max SPL (per Pair): 113 dB,Acoustic Space: 0, -2, -4...