This is a used tested good
AIWA remote RC-TN500EX
Audio system remote
CXN3400, CXN3500, CXN3500U, CXN350MHE, CXN510,
CXN510G, NSX3400, NSX3500, NSX3501,
NSX350YUBBLK, NSX351, NSX3550, NSX50, NSX510G
Please be sure this is the right remote for your system.
You can search the internet for the manual for your system and verify the remote.
Item # 4181