YOUR BEST SOURCE FOR PRO AUDIO GEAR. Hercules DJMonitor 42 4 Active Powered Multimedia Speakers (Pair). Refine the mixes that you create with high-quality speakers for powerful, clear audio rendering.The DJMonitor 42 speakers are ideal for setting just the right mood: not too big or too small, they fit perfectly into any setting and provide an incredible ambiance! Shifted vents and tweeters for great sound spatialization. Acoustic guide optimized for high-performance sound reproduction. Cabinet made from 9 mm (0.35) MDF. Secondary aux input 3.5 mm (0.14). Satellites connected by terminal block. Headphone jack on the front. RMS output power: 2 x 20 watts. Frequency response: 60 Hz - 20.000 Hz. Dimensions: 220 mm x 185 mm x 155 mm (H x L x D). Right satellite: 2.405 kg (0.38 lb). Left satellite: 2.233 kg (0.35 lb).