MED-EL speed processor test device kept in the office as a spare. Rarely used, roughly 1 year old. Works perfectly. £70. 'Speech Processor Test Device SKU: 04048 £94.87 excl. VAT The Speech Processor Test Device can be used to test whether a signal is being transmitted from the coil and cable to the implant. The Speech Processor Test Device (SPTD) will indicate by a simple red LED whether or not the processor is communicating with the coil.'
