Running the cords to set up a new pair of speakers is frequently a hassle. Wireless speakers promise to eliminate the speaker cords. As cordless loudspeakers have a built-in amplifier, they need power. Nevertheless, to eradicate the power cable, some wireless outdoor loudspeakers are powered by internal rechargeable batteries. Loudspeakers with moderate audio power, yet, need quite heavy batteries that makes logging the speakers to a place where the batteries can be recharged rather of a hassle. If you are planning to install your speakers in your kitchen or bedroom, you can choose a fairly low-powered loudspeaker. If you are preparing to use your speakers outdoors, be certain to select speakers which have a waterproof or at the least water resistant enclosure. Ideally the audio input may be adjusted in volume such that the transmitter may adapt to different audio sources. These days there are more and more cordless devices out there. Be aware though that the sound quality also depends on your listening surroundings. On the other hand, rather than purchasing a new set of loudspeakers, one more option is to go with a wireless speaker kit and make your old speakers wireless by attaching a wireless receiver unit to each loudspeaker.