Photo 1 of 18V 2.5A AC DC Power Supply Adapter Compatible for Altec Lansing Rockbox XL IMW999 STL Altec Lansing IMW889 IMW1500 T612 Speaker, Brookstone Big Blue Studio Party Bluetooth Speakers Charger Cable Cord.

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Photo 1 of 18V 2.5A AC DC Power Supply Adapter Compatible for Altec Lansing Rockbox XL IMW999 STL Altec Lansing IMW889 IMW1500 T612 Speaker, Brookstone Big Blue Studio Party Bluetooth Speakers Charger Cable Cord. Photo 2 of 18V 2.5A AC DC Power Supply Adapter Compatible for Altec Lansing Rockbox XL IMW999 STL Altec Lansing IMW889 IMW1500 T612 Speaker, Brookstone Big Blue Studio Party Bluetooth Speakers Charger Cable Cord.