Techniques are described to generate a list of suggested friends for a client of a social networking service. An exemplary player comprises a detachable faceplate or faceplate controller of a vehicle audio system. According to embodiments of the present invention, the carrier distributor distributes a specified transmit channel for the multiple carrier signals according to power load capacity of each transmit channel and a total power of multiple carrier signals that need to be distributed. The pocket top sides are open and extend along an entire longitudinal length of the pockets.