Description Product Description EXP-DPDual-CM Number of Receivers: Dual, Microphone Type: Collar mic Features: -Explorer Pro (EXP-7500U1) with built-in wireless receiver. -Explorer Companion Speaker (EXP-7501). -Speaker cable (SC-50NL). -Microphone inputs: Lo-Z (1 ohm), balanced, XLR(2 combo jacks). -Hi-Z (10 ohms), unbalanced, 1.25'' phone plugs. -Auxiliary (line) input: Hi-Z (10 ohms), unbalanced, 0.125" stereo, 0.25'' phone plugs. Product Type: -Speaker. Media Type: -Auxiliary input. Wattage: -75 Watts. Finish: -Black. Country of Manufacture: -United States. Microphone Included: -Yes. Microphone Connection: -Wired/Wireless. Number of Microphone Inputs: -2. Generic Specifications: -2 Heavy duty speaker stands (SS-550). -Rated power output: 75 watts AC/DC mode. -Max SPL at rated power: 110 db at 1 meter. -Frequency response: 80 Hz - 16 kHz. Dimensions: Overall Height - Top to Bottom: -16.5". Overall Width - Side to Side: -10.5". Overall Depth - Front to Back: -10". Overall Product Weight: -23 lbs.