The Sennheiser B 61 is a battery pack for the SK 6000 & SK 9000 wireless bodypack transmitters. This battery pack holds three AA size batteries.
The SK 6000 is a lightweight digital pocket transmitter that can be combined with lavalier microphones and headsets, and shines as a high-end solution for instruments like guitar and bass. Maximum transmission reliability of the renowned Long Range mode and outstanding audio quality of the Sennheiser Audio Codec (SeDAC) are shared with the wireless masterpiece, Digital 9000. Sophisticated electronics prevent disturbing intermodulation, even with numerous transmitters in the most confined spaces. This allows operation in an equidistant frequency grid and efficiently utilizes the available frequency spectrum.