This post aims to connect with friends who have spare subwoofers at home and enjoy DIY projects. It’s also a way to repurpose old items and contribute to environmental sustainability. For this project, you’ll need an active subwoofer (one with its own amplifier) and some basic tools like a 2.5mm TRS adapter with three connectors and a multimeter.
Below are images showing the setup and components involved:
The 2.5mm TRS adapter typically consists of three parts: tip, ring, and sleeve. However, the exact configuration might vary depending on your purchase, so use a multimeter to verify the connections.
Here’s a step-by-step guide to connecting everything:
1. Insert the 2.5mm adapter into your Xiaomi console and connect the white plug into the active subwoofer (this connects the shared and white leads). At this point, the subwoofer will start producing sound, but it doesn’t require recognition from the Xiaomi host.
2. Next, take a 20K ohm resistor and attach it between the common and red leads. You may need to cut the red lead and solder the resistor in place. Refer to the image below for clarity:
After completing these steps, the subwoofer will exclusively handle all the low-frequency sounds, while the Xiaomi device recognizes the subwoofer and allows you to adjust its settings.
I hope this guide helps anyone looking to enhance their audio setup. If you’re interested in more smart TV or box-related content, check out Smart TV Info Network Sofa Butler (http://), which offers valuable resources and discussions about smart TVs, TV boxes, and related software in China.
Let me know if you have any questions or feedback!
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