Amazon.com: Sennheiser Consumer Audio HD 450SE Black Bluetooth 5.0 Wireless Headphone with Alexa Built-in - Active Noise Cancellation, 30-Hour Battery Life, USB-C Fast Charging, Foldable - Black : Electronics
Found some circa 1991 Sennheiser HD480 ii made in West Germany in my dads stuff. Thought you guys might like some pictures. : r/headphones