Return to: Madison Fielding Rebrands, Adds Outdoor Housings for Sonos Speakers, Amps Previous Slide Next Slide Humberto Adrian – Master craftsman Humberto Adrian has been making speaker cabinets since the 1970s for brands including Polk Audio, Boston Acoustics, a/d/s, and McIntosh. Return To: Madison Fielding Rebrands, Adds Outdoor Housings for Sonos Speakers, Amps