...highly doubtful there is 88 dual zone inputs on the Sample Rack
Sample Rack
Percussion Module with Onboard Sound Storage
88 dual-zone trigger inputs plus true kick and hi-hat inputs
Uses SD/SDHC cards (up to 32GB) to import and trigger .WAV samples
Includes 10 onboard, ready-to-play kits with over 200 percussion sounds
1/4" stereo outputs (LT, R); 1/4" headphone output
1/8" stereo aux input with level control; MIDI In & Out