Audible noise is the noise that a device produces while in operation. Reduced audible noise improves quality.
Dream Vision Yunzi 1
This shows the lifespan of the light source. Beamers need to have their lamps (light source) replaced every now and then.
Vivitek Qumi Q7
1280 x 800px
4096 x 2160px
Motorized or power zoom lenses allow the user to remotely press a switch, for example on a remote control, causing the projector to automatically zoom in or out and correct the size of the image.
A bigger variety of brand lenses means that you have more options and can find one that suits your needs.
The light projected by the device is brighter, i.e. it has a higher ANSI lumens measurement.
The maximum size of image that a device can project without compromising quality.
The device displays 3D images which you can only see with special 3D glasses. Unlike glasses-free 3D displays, the screens of these devices have larger viewing angles.
More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.
VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
The device can connect to WiFi.
The more composite ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.
With more USB ports, you are able to connect more devices.
Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
More audio input ports mean that more audio devices such as microphones and keyboards can be connected at once.
With a standard mini jack socket, you can use the device with most headphones.
2 x 4W
Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.
2 x 15W
A remote control allows you to control the device remotely. The remote control can be included or optional.
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.