This system comes complete with a base transmitter that has a 1U rack mountable design and 2 dynamic cardioid directional Ultra High Band Wireless Microphones. The base and microphones are both stylish and durable. The front of the base shows LED meters for both microphones and has two separate digital panels showing the frequency information. The cardioid directional design is meant to only translate a direct signal into the microphone. This will give you the ability to address a loud room like a club or large stage performance and not worry about any type of feedback. And if you are addressing a large room or audience no need to worry about any unwanted crowd noise getting picked up in your microphone! The benefits of a wireless microphone also include giving you the freedom you need to move around the stage or room without the hassle of messy wires. This is a huge plus if you are performing or need to address a large audiencemove around freely without worrying about getting tripped up! In todays world of technology and communication wireless signals can often be interrupted. In any given space and especially in densely populated areas like a city, the atmosphere is filled with various signals that can interrupt your equipment. The WMR52 uses a UHF design. UHF = Ultra High Frequency. A step above a normal VHF design, the UHF design has a much less chance of interference. UHF wireless microphones have the ability to use a much larger range of frequency spectrum as opposed to VHF microphones. Interference is a concern for everyone from high-level performers to professionals addressing a crowdit can ruin a performance or speech. The WM1201 will give you the confidence you need that this wont be an issue! And at a price that wont break the bank! Technical Pro is well-known for durable, quality products. All of the components of this package are crafted with the innovative design and sturdy material that are the hallmark of the company's range. Features: Dual signal UHF high band Includes two wireless handheld microphones Includes two rechargeable lithium battery cases two AA battery cases Polar Pattern: Dynamic Cardioid Outputs: Individual XLR outputs per channel, one 1/4'' mixed output Frequency stability: 0.005% Modulation mode: FM Maximum deviation range: 45kHz with limiting compressor Silence circuit cuts static noise if microphones are off or out of range