The JamMan Solo HD has all the same great features as the JamMan Solo XT including stereo looping, Micro SD/SDHC compatible memory card support, Auto Record, selectable Stop Modes, and the revolutionary JamSync feature which allows for syncing of multiple JamSync compatible devices. Even better, as its name suggests, the JamMan Solo HD features improved High-Definition audio performance with its Next-Gen HD A-D/D-A Audio Converter!The JamMan Solo HD features 200 internal memory locations that can hold up to 35 minutes of loops. Installing a Micro SD/SDHC card into the memory card slot adds another 200 memory locations which can store over 32 hours of loops! (Compatible with Micro SD/SDHC cards up to 32Gb)The JamMan Solo HD has USB connectivity for syncing to DigiTech's free JamManager HD software. JamManager HD organizes and saves your loops to a computer (PC) and lets you quickly create JamLists to take to your gig. The JamMan Solo HD is the perfect stereo looper/phrase sampler for practicing, composing, and performing.Use the JamMan Solo HD to: Record rhythm loops, then solo over them on the fly, completely Hands-Free. Slow down or speed up the tempo of any loop without changing pitch. Sync multiple JamSync compatible JamMan devices for multi-track looping capabilities. Seamlessly transition between recorded loops during playback.