The SRS-RF90RK is a wireless speaker system receiver and transmitter with three transmission channels in the 900MHz range that help ensure optimum signal reception. The unit features automatic tuning, a built-in 4W amplifier, reflector technology and one box stereo sound. It is simple to set up a can operate for up to 3.5 hours on the built-in rechargeable battery.
The tweeter is based on Neodymium magnet that packs more magnetic energy per ounce than conventional ferrite, samarium cobalt or aluminum magnets, while the built-in Mega bass reflex sound provides impressive bass reproduction. The SRS-RF90RK has a signal reception area of 150 feet that lets the user enjoy music wirelessly throughout the house. Connection to a Walkman or TV is very easy using a pair of RCA coaxial jacks along with a single mini phone jack.