Rolls Corporation is a company specializing in audio electronics manufacturing. Products include signal processors, amplifiers, mixers, signal sources, and interface accessories.
Rolls began in 1989 when Marilyn and David O. Di Francesco introduced the HR100 amplifier, the HR11c Microphone Processor, the HR6x mixers, and the HR210 eq -all half rack at the New York AES Convention. David is well known and respected in the professional audio electronics industry, his first company still bears his initials.