The subzero ground eliminator box 3.5mm trs is a simple solution for reducing ground loop noise in stereo audio setups. If youre connecting phones laptops mixers or portable recorders and hearing an unwanted hum this compact box helps clean up your signal quickly and easily. With 3.5mm trs input and output it slots straight into your existing stereo connection. Just connect the device causing the noise run a second 3.5mm trs cable to your mixer or speakers and use the lift ground switch to activate the ground isolation function. Its a straightforward way to reduce interference without changing the rest of your setup. Measuring just 210mm x 19mm x 23mm its easy to keep in your gig bag or studio drawer. Whether youre troubleshooting a live rig or tidying up a home recording setup this ground loop eliminator helps you get back to clean usable audio fast.