TD-50X: Are there any differences between the sound modules used on the VAD706, TD-50K2 and TD-50KV2? December 08, 2021 05:07 Updated Follow The VAD706, TD-50K2, and TD-50KV2 all include the same sound module, which is the TD-50X. Related articles TD-50: Rim Sensitivity (Head/Rim Adjust) TD-50K2: How much floor space is required for setting up the kit? TD-50X: Calibrating the VH-14D TD-50X: Assigning different instruments to the head or rim of a pad VAD706: Does this product include connection cables?