Hollyland Technology has been very active in the filmmaking industry in recent years, especially with our introduction of entry-level wireless transmitters and wireless intercom systems to the industry. After  MARS 300, which appeared to be the first prosumer wireless transmitter in the market, we continued with product launches of the MARS 400S series and MARS X prosumer wireless transmitters,  MARS T1000 prosumer wireless intercom system, and along with their professional gear release of COSMO M7and SYSCOM 421. And now, the MARS 300 PRO is here! 

From the name MARS 300 PRO, it is pronounced that this is an updated product of the once-popular product MARS 300. Most people would probably wonder what their differences are. Here is a comparison sheet between these two products.
 

VIDEO & AUDIO WIRELESS TRANSMISSION

MARS 300 PRO has a hassle-free wireless video and audio transmission range over 300ft with a clean line of sight (LOS) and with 0.08s lowest achievable ultra-low latency. It has eight frequency channel options that can be switched to avoid interference and to ensure a stable wireless transmission just like other transmitters in their MARS product line. 

ONE TO THREE

One of the most stand-out features is the mobile App real-time monitoring. When the receiver is connected to an external monitor on a regular setup, two more mobile devices can be connected to the transmitter via their HollyView monitoring App that people can find in Google Play and iOS App Store. The transmitter can also be used alone, which would allow the system to connect up to three mobile devices monitoring.

There are two HDMI outputs on the receiver while the transmitter comes with an HDMI input and an HDMI loopout that is essential for people who like to build cinematic rigs with mirrorless or other small-budget cameras and need an on-camera external monitor.  

The App itself supports pro monitor features, such as waveform, focus peaking, zebra, zoom, 3D luts, screen recording, and screenshots that people can make simple notes and share them with others, etc.

WHAT IS NEW

A 3-in-1 thumbwheel switch menu is added to MARS 300 PRO together with a side OLED screen with easy access to the device's power status, channel scan result, video input, channel number, etc., so now people don't have to worry about having their screen blocked when they mount their systems horizontally on the camera. 

MARS 300 PRO also comes with channel scan on both the receiver and the App, so people can easily identify the best channel to use on a shooting location ahead of time, or anytime. Hollyland also puts the firmware upgrade to both the device and their HollyView App that makes it less-hassle when it comes to system updates.

PACKING, PRICING & AVAILABILITY

MARS 300 PRO also comes with two different versions,

1. the STANDARD version
2. the ENHANCED version

Built-in antennas are introduced to MARS 300 PRO for easy setup, efficient shooting, and different shooting applications. Both versions come with receivers with built-in antennas. The transmitter is also with built-in antennas for the standard version, while external antennas are used on the transmitter for the enhanced version. The only difference between these two versions is the antennas, namely, the ability to avoid interference for complex Wi-Fi environments.