The SRX-07 Ultimate Keys Wave Expansion Board offers a massive collection of keyboard sounds and loops. This 64MB card contains all the waveforms from Roland's popular SR-JV80-04 "Vintage Synth," SR-JV80-08 "Keyboards of the '60s & '70s," and SR-JV80-10 "Bass & Drums," plus selected waves from SR-JV80-09 "Session" and SR-JV80-03 "Piano." With approximately 300 all-new patches and 10 rhythm sets, the SRX-07 covers all the bases including some tasty loops.