Synchrosonic Port. Ultrasnd U 20 Chilling Units Freezer Time and Date Two 1 inch urethane Time and Date Automatic recall of last temperature measurement 5 diameter faceplate * The QuickConnect Transducer Cable System is optional with the standard soundhead * It is provided with the small soundhead or the dual standard small soundhead on all Amrex ultrasound equipment * Delivers up to 20 watts of non interrupted power * Not for Use With Combination Therapy * U 20 PORTABLE ULTRASOUND * The U 20 Portable Ultrasound provides therapeutic ultrasound in an economical package * Soundhead Features and Options All Amrex ultrasound transducers are lightweight ergonomically designed and sealed for underwater therapy * Amrex offers two soundhead faceplate sizes: the standard 2