Your model number is located on the rear of the player under the bar code.
UD-10GL
10" Speaker Grille for TS-D10LS4, D10LS2, TS-A2500LS4 Subwoofer - Accessory
UD-12GL
12" Speaker Grille for TS-A3000LS4 Subwoofer - Accessory
UD-G257
10" Subwoofer Spoke Grille
UD-G307
12" Subwoofer Spoke Grille
UD-G308
12” Subwoofer Spoke Grille
UD-SW100D
Downfiring Enclosure for 10" Shallow Subwoofer
UD-SW100T
10" Sealed Shallow Subwoofer Enclosure for Behind-Seat Use
UD-SW10B
10" Shallow Sealed Enclosure for Behind-Seat Use
UD-SW10U
10" Shallow Sealed Enclosure for Under-Seat Use
UD-SW120D
Downfiring Enclosure for 12" Shallow Subwoofer
UD-SW12B
12" Shallow Sealed Enclosure for Behind-Seat Use
UD-SW200D
Downfiring Enclosure for 8" Shallow Subwoofer
UD-SW250D
Downfiring Enclosure for 10" Shallow Subwoofer
UD-SW250T
10" Wedge Shallow Subwoofer Enclosure for Behind-Seat Use
UD-SW300D
Downfiring Enclosure for 12" Shallow Subwoofers - Accessory
UD-SW80D
Downfiring Enclosure for 8" Shallow Subwoofer
UD-SW8U
8" Shallow Sealed Enclosure for Under-Seat Use
UD-W10
10" SPL Optimized Ported Enclosure