An implantable tissue-stimulating device comprising a carrier member having a plurality of electrode elements mounted thereon, and at least one signal transmitting means extending through at least a portion of the carrier member and adapted to transmit signals through the carrier member to and/or from said plurality of electrode elements, wherein the number of transmitting means within the carrier member is less than the number of electrode elements mounted thereon, wherein the signal transmitting means (13) comprises a clock line (13a), a date line (13b), a first stimulation line (13c), a second stimulation line (13d) and a common ground line (13e).
