Original sentence: A number of electronics companies such as Lexicon , Marantz , Mark Levinson , Onkyo , Panasonic , Pioneer ,  and Sony (both its Computer Entertainment and Electronics divisions)   issued statements warning consumers about possible problems with playing DualDisc titles on their equipment
Edited sentence: A number of electronics companies such as Lexicon , Marantz , Mark Levinson , Onkyo , Panasonic , Pioneer ,  and (ironically) Sony (both its Computer Entertainment and Electronics divisions)   issued statements warning consumers about possible problems with playing DualDisc titles on their equipment