Version	Language	Size	Uploaded
Firmware
LSR4312SP Firmware PC version 2.2.1, updated: 1月 2020	2.2.1		29.5MB	1月 2020
LSR4312SP Firmware Mac version 2.2, updated: 1月 2020	2.2		443KB	1月 2020
Owner's Manuals
LSR4312SP Subwoofer Set Up Tips updated: 1月 2020			29.9KB	1月 2020
LSR4312SP Subwoofer Owners Manual Appendix F - Trouble Shooting and Error Displays updated: 1月 2020			254KB	1月 2020

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