Pyramid 100W 8Ohm Single Passive PA Speaker - Evolution Music
Amazon.com: Pyramid 1" Audio Car Tweeter Speaker - Aluminum Die-Cast Frame, 300 Watt Peak, 2k-20kHz Frequency Response, 4 to 8 Ohm, Heavy Duty 30 oz. Magnet Structure - 1 Tweeter - Pyramid
Amazon.com: 10 Inch Car Subwoofer Speaker - 300 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge Suspension - Pyramid WH10,Black
Preference of Denmark went bankrupt in 1989, but not before producing the coolest looking pyramid shaped speakers the world has ever seen... : r/vintageaudio