Below is the Factory Sound List in the SPD-SX:
1 Clap_110
2 Clap_808
3 Clap_909
4 Clap_Hse1
5 Clap_Hse2
6 Clap_Min
7 Clap_Verb1
8 Clap_Verb2
9 Cym_808
10 Cym_China
11 Cym_Crash1
12 Cym_Crash2
13 Cym_Crotale
14 Cym_Fx1
15 Cym_Fx2
16 Cym_Proc
17 Cym_Splash1
18 Cym_Splash2
19 HH_808_cl
20 HH_808_op
21 HH_909_cl
22 HH_909_op
23 HH_Acou_cl
24 HH_Acou_op
25 HH_DbS_cl
26 HH_DbS_op
27 HH_DnB_cl
28 HH_DnB_op
29 HH_Hph_cl
30 HH_Hph_op
31 HH_Hse1_cl
32 HH_Hse1_op
33 HH_Hse2_cl
34 HH_Hse2_op
35 HH_Proc1_cl
36 HH_Proc1_op
37 HH_Proc2_cl
38 HH_Proc2_op
39 HH_Proc3_cl
40 Kick_110
41 Kick_808_L
42 Kick_808_S
43 Kick_909
44 Kick_909_Atk
45 Kick_Acou1
46 Kick_Acou2
47 Kick_DbS
48 Kick_DnB1
49 Kick_DnB2
50 Kick_Edrs1
51 Kick_Edrs2
52 Kick_Hph
53 Kick_Hse1
54 Kick_Hse2
55 Kick_Proc1
56 Kick_Proc2
57 Kick_Proc3
58 Kick_Proc4
59 Kick_Proc5
60 P_Claves
61 P_CongaProcH
62 P_CongaProcL
63 P_CongaProcS
64 P_Cowbell1
65 P_Cowbell2
66 P_Cowbell3
67 P_Cowbell4
68 P_Cowbell808
69 P_GanzaTap
70 P_Gong
71 P_Tabla_Ge
72 P_Tabla_Na
73 P_Tabla_Te
74 P_Tabla_Tun
75 P_Tamb_DnB
76 P_Tamb_Proc
77 P_Tambourine
78 P_Timbale_H
79 P_Timbale_L
80 P_Treechime
81 P_Triangl_cl
82 P_Triangl_op
83 Ride_Acou
84 Ride_DnB
85 Ride_Proc1
86 Ride_Proc1Bl
87 Ride_Proc2
88 SE_Crasher
89 SE_Discovery
90 SE_Explosion
91 SE_LowSaw
92 SE_Noise1
93 SE_Noise2
94 SE_Noise3
95 SE_Noise4
96 SE_Noise5
97 SE_RevCym1
98 SE_RevCym2
99 SE_RoboTalk
100 SE_SuperLow1
101 SE_SuperLow2
102 SE_SweepSlap
103 SE_VerbPf
104 Snare_110
105 Snare_808
106 Snare_909
107 Snare_Acou1
108 Snare_Acou2
109 Snare_DbS
110 Snare_DnB1
111 Snare_DnB2
112 Snare_Edrs
113 Snare_Hph
114 Snare_Hse1
115 Snare_Hse2
116 Snare_Proc1
117 Snare_Proc2
118 Snare_Proc3
119 Snare_Proc4
120 Snare_Proc5
121 Snare_Proc6
122 SnareXs_1
123 SnareXs_2
124 SnareXs_3
125 SnareXs_4
126 SnareXs_5
127 SnareXs_6
128 SnareXs_7
129 Tom_808_H
130 Tom_808_L
131 Tom_808_M
132 Tom_Acou_H
133 Tom_Acou_L
134 Tom_Acou_M
135 Tom_Edrs_H
136 Tom_Edrs_L
137 Tom_Edrs_M
138 Tom_Roto_H
139 Tom_Roto_L
140 Tom_Roto_M
141 2Temp_Bass
142 2Temp_Bazzz
143 2Temp_DrsEnd
144 2Temp_Drums2
145 2Temp_Drums8
146 2Temp_Ending
147 2Temp_EndScp
148 2Temp_Full2
149 2Temp_Full8
150 2Temp_Mid
151 2Temp_Ridy
152 2Temp_Riff1
153 2Temp_Riff2
154 2Temp_Scape
155 Fusee_Bass1
156 Fusee_Bass2
157 Fusee_BBeat
158 Fusee_Crash
159 Fusee_Fill1
160 Fusee_Fill2
161 Fusee_Kick
162 Fusee_Syn1
163 Fusee_Syn2
164 Fusee_SynPad
165 Fusee_Vox
166 HWeGo_BassA1
167 HWeGo_BassA2
168 HWeGo_BassB
169 HWeGo_Beep
170 HWeGo_DNB
171 HWeGo_Drums
172 HWeGo_KeyA
173 HWeGo_KeyB
174 HWeGo_Pad
175 HWeGo_Vox
176 Liquid_Bass
177 Liquid_BBeat
178 Liquid_Bells
179 Liquid_Crash
180 Liquid_DNB
181 Liquid_EP
182 Liquid_Filt
183 Liquid_Pad
184 Liquid_SHK
185 Liquid_Vox
186 Spwob_BassSk
187 Spwob_Beat
188 Spwob_Clap
189 Spwob_Dark
190 Spwob_End
191 Spwob_Full8
192 Spwob_HiHat
193 Spwob_Kick
194 Spwob_Mid4
195 Spwob_Piano4
196 Spwob_Piano8
197 Spwob_PianoL
198 Spwob_Swowlw
199 Spwob_Wieper
200 Mntn_FstABsP
201 Mntn_FstBBsP
202 Mntn_FstBPno
203 Mntn_Horn
204 Mntn_Perc
205 Mntn_PercMix
206 Mntn_Slw_BsP
207 Mntn_Slw_Pno
208 Mntn_Vib
209 Mntn_Vox_Dnc
210 Mntn_Vox_Msc