Pyramid - PMBH1539 - Sound and Recording - PA Loudspeakers - Cabinet Speakers
Vintage Sequerra Speakers Pyramid Model 3 with Stands Photo #2251406 - US Audio Mart
Pyramid WX65X 6.5" Car Woofer Speaker - Pack of 2 for sale online | eBay
Pyramid Tw18bk 3.25" 300w Pro Horn Car Audio Speaker Titanium Tweeter : Target
Preference of Denmark went bankrupt in 1989, but not before producing the coolest looking pyramid shaped speakers the world has ever seen... : r/vintageaudio