![What's the role of a 40mm driver unit in headphones & smart speakers and how it impacts the sound? - Cleer Audio What's the role of a 40mm driver unit in headphones & smart speakers and how it impacts the sound? - Cleer Audio](https://cleeraudio.com/wp-content/uploads/2022/03/Picture-1-5.png)
What's the role of a 40mm driver unit in headphones & smart speakers and how it impacts the sound? - Cleer Audio
Are 40 mm driver unit headsets or headphones count as over ear or on ear? When I use 40 mm driver headphones, it felt like over ear but it covers a bit
![Jam Been There On-Ear Bluetooth Headphones, 40mm Drivers, 14 Hour Playtime, 10 Metre Range, Hands Free Calling, IPX4 Sweat and Rain Resistant, Light Weight, Natural Open Sound - Black: Amazon.co.uk: Electronics & Jam Been There On-Ear Bluetooth Headphones, 40mm Drivers, 14 Hour Playtime, 10 Metre Range, Hands Free Calling, IPX4 Sweat and Rain Resistant, Light Weight, Natural Open Sound - Black: Amazon.co.uk: Electronics &](https://m.media-amazon.com/images/I/61V+pDaAdLL.jpg)
Jam Been There On-Ear Bluetooth Headphones, 40mm Drivers, 14 Hour Playtime, 10 Metre Range, Hands Free Calling, IPX4 Sweat and Rain Resistant, Light Weight, Natural Open Sound - Black: Amazon.co.uk: Electronics &
![Edifier W600BT Wireless Over-Ear Headphones, Bluetooth V5.1, Crystal Clear Call, 40mm Drivers, 30H Playtime, Connect to 2 Devices, Built-in Microphone, Lightweight, for Travel, Home, Office - Black: Amazon.co.uk: Electronics & Photo Edifier W600BT Wireless Over-Ear Headphones, Bluetooth V5.1, Crystal Clear Call, 40mm Drivers, 30H Playtime, Connect to 2 Devices, Built-in Microphone, Lightweight, for Travel, Home, Office - Black: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/4126iGY6p1L._AC_.jpg)