Introduction
The Mecool KM9 Pro is a Google-certified Android TV Box designed to transform your television into a smart entertainment hub. Featuring an Amlogic S905X2 Quad-Core processor, Android 9.0 Pie ATV OS, 4GB RAM, and 32GB ROM, it supports 4K Ultra HD resolution, HDR, dual-band Wi-Fi, Bluetooth, and voice control. This manual provides essential information for setting up, operating, and maintaining your device.
Package Contents
Please verify that all items listed below are included in your package:
- 1 x Mecool KM9 Pro ATV TV Box
- 1 x Remote Control
- 1 x HD Cable (HDMI)
- 1 x Power Adapter (UK/EU/US/AU plug, depending on region)
- 1 x English User Manual

Image: Contents of the Mecool KM9 Pro package, showing the TV box, remote control, HDMI cable, power adapter, and user manual.
Product Overview
The Mecool KM9 Pro is a compact and powerful Android TV Box. Its sleek design integrates seamlessly into any home entertainment setup. The device features a breathing LED light indicator on the front.

Image: Top view of the Mecool KM9 Pro Android TV Box, showcasing its minimalist design.
Ports and Connections
The rear panel of the KM9 Pro provides various ports for connectivity:
- DC IN: Power input port.
- HDTV: HDMI output for connecting to your television.
- LAN: Ethernet port for wired network connection.
- AV: Analog video/audio output (for older TVs).
- USB Ports: For connecting external storage or peripherals (located on the side, not visible in rear view).

Image: Rear view of the Mecool KM9 Pro, displaying the DC IN, HDMI, LAN, and AV ports for various connections.
Setup Guide
- Connect to TV: Connect one end of the provided HDMI cable to the HDTV port on the KM9 Pro and the other end to an HDMI input on your television.
- Connect to Power: Plug the power adapter into the DC IN port on the KM9 Pro, then plug the adapter into a wall outlet. The device will power on automatically or can be turned on using the remote.
- Network Connection (Optional):
- Wired: Connect an Ethernet cable from your router to the LAN port on the KM9 Pro.
- Wireless: During the initial setup wizard, select your Wi-Fi network and enter the password. The device supports 2.4G and 5G Wi-Fi.
- Initial Setup: Follow the on-screen instructions to complete the initial setup, including language selection, Google account login, and network configuration.
Ensure your TV is set to the correct HDMI input channel to see the KM9 Pro's display.
Operating Instructions
Remote Control Functions
The included remote control allows for easy navigation and interaction with the Android TV interface. It features dedicated buttons for popular streaming services and Google Assistant.

Image: The Mecool KM9 Pro TV Box alongside its remote control, highlighting the device's compact size and the remote's layout.
Voice Control with Google Assistant
The KM9 Pro supports voice control via the Google Assistant. To use this feature:
- Press the Google Assistant button on your remote control.
- Wait for the prompt (usually a visual indicator on screen).
- Speak your command or question into the remote's microphone.
The device can recognize voices in over 24 languages, allowing you to search for content, control smart home devices, and get information hands-free.

Image: A television screen displaying the Google Assistant interface, with a remote control indicating the voice command process.
Google Cast (Chromecast) Functionality
The KM9 Pro has built-in Google Cast, allowing you to stream content from your compatible mobile devices (smartphones, tablets) or computer directly to your TV. To cast:
- Ensure your mobile device and the KM9 Pro are connected to the same Wi-Fi network.
- Open a Google Cast-enabled app (e.g., YouTube, Netflix) on your mobile device.
- Tap the Cast icon
within the app and select your KM9 Pro from the list of available devices. - The content will then appear on your TV screen.

Image: A visual representation of Google Chromecast, showing a smartphone casting content to a television via the Mecool KM9 Pro.
Maintenance
- Software Updates (OTA): The KM9 Pro supports Over-The-Air (OTA) firmware updates. Ensure your device is connected to the internet to receive and install the latest software versions for optimal performance and security. You can usually check for updates in the device's settings menu.
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or abrasive materials, as they may damage the finish. Ensure the device is powered off and unplugged before cleaning.
- Ventilation: Ensure the TV box is placed in a well-ventilated area to prevent overheating. Do not cover ventilation openings.
Troubleshooting
If you encounter issues with your Mecool KM9 Pro, refer to the following common troubleshooting steps:
- No Power:
- Check if the power adapter is securely connected to the device and the wall outlet.
- Try a different power outlet.
- No Display on TV:
- Ensure the HDMI cable is firmly connected to both the KM9 Pro and your TV.
- Verify that your TV is set to the correct HDMI input source.
- Try a different HDMI cable or HDMI port on your TV.
- No Internet Connection:
- For Wi-Fi, check your network settings and ensure the correct password is entered. Restart your router.
- For wired connection, ensure the Ethernet cable is properly connected and your router is functioning.
- Remote Control Not Responding:
- Check and replace the batteries in the remote control.
- Ensure there are no obstructions between the remote and the TV box.
- For Bluetooth remotes, ensure it is properly paired with the device (refer to initial setup or device settings).
- App Freezing or Crashing:
- Close and restart the application.
- Clear the app's cache and data in the device settings.
- Ensure the device's firmware is up to date.
Specifications
Detailed technical specifications for the Mecool KM9 Pro Android TV Box:
| Processor | Amlogic S905X2 Quad-Core ARM Cortex-A53 |
| GPU | ARM G31 MP2 GPU |
| Operating System | Google Android 9.0 Pie ATV OS (Google Certified) |
| RAM | 4 GB LPDDR4 |
| ROM | 32 GB Flash (eMMC) |
| Wi-Fi | Built-in 2.4G/5G (IEEE 802.11 b/g/n/ac) |
| Bluetooth | V4.2 + HS |
| Ethernet LAN | 10M / 100M |
| Video Output Resolution | Up to 4K (3840x2160) at 60fps |
| HDR Support | Dynamic HDR10, HDR10, HLG, Technicolor HDR |
| Video Codecs | HD MPEG1/2/4, H.265/HEVC, HD AVC/VC-1, RM/RMVB, Xvid, RealVideo8/9/10, VP9 |
| Media Formats | *.mkv, *.wmv, *.mpg, *.mpeg, *.dat, *.avi, *.mov, *.iso, *.mp4, *.rm, *.jpg |
| Audio Formats | MP3, AAC, WMA, RM, FLAC, Ogg, programmable with 7.1/5.1 down-mixing |
| Image Formats | HD JPEG/BMP/GIF/PNG/TIFF |
| Languages | Supports 24 languages including Chinese, English, German, Japanese, Korean, etc. |
| Dimensions (Device) | 100 x 100 x 17.5 mm |
| Weight (Device) | 150 g |

Image: Diagram illustrating the high-performance Amlogic S905X2 Quad-Core CPU and ARM G31 MP2 GPU, key components of the KM9 Pro.
Warranty and Support
The Mecool KM9 Pro Android TV Box comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including warranty duration and coverage details.
For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact your retailer or the official Mecool support channels. Contact information can typically be found on the product packaging or the manufacturer's official website.
Always provide your product model number (KM9 PRO) and purchase details when seeking support.