Now, I'm guessing that we did a mistake with the power source (maybe also with the mic) because the sound coming out of the soundbar is very faint. Any sound bar worth its salt will come with one form of digital input, be it digital coaxial or digital optical. Connecting your soundbar properly usually just involves plugging it in and connecting it to the TV via an optical or HDMI cable. With this you can send analog audio to headphones, a sound bar, or a home receiver. There’s the ¼” connector, which is the largest and one that you might recognize if you’ve spent any time around audio equipment, high-end headphones, or switchboards from the late 1800s. Solved! We bought a microphone, a power source for the mic, and a cable to connect it from the XLR power source to the 3,5mm jack in the soundbar. If the soundbar/sub are plugged in and powered on and you can't hear sound, you may need to go into your TV's audio menu and switch from "TV speakers" to "external," "receiver," or optical." 2 or standard audio cable Connection, RCA, and optical input; 3 different equalizer modes: fine tune your sound bar with 3 distinct equalizer modes (games mode, music mode, movie mode) via the remote control to match your favorite sound All TCL Roku TVs have an ANALOG AUDIO OUTPUT in the form of a 3.5 mm jack. But when you connect it with the help of a Bluetooth, you may find the clearness and the maximum sound quality. The best way to connect a sound bar. My tv (Lg 70” smart) has only one audio … This comes in a few different varieties depending on the use case. Question Sennheiser HD569 sound is fine when I connect headphones directly to my monitor, but with extension cord only when I hold the mic-button. Analog Audio Output. Note you may need an adapter cable to go from 3.5mm to RCS L/R audio…only a couple of bucks. Multiple wireless and wired connections: easily connect to the sound bar via Bluetooth 4. The one audio connection that most people are probably familiar with is the headphone jack connector. When you connect the Samsung soundbar optical cable method, you may find the less bass and studio benefits by which you may go through with less audio clarity and crispiness. Things like instruments and DVD players will plug into the Line-In input. You can set up your room to perfection and still fall down at the most important hurdle: picking the right connection. When connecting a microphone to a sound card, you'll need to connect it to the Mic-In input rather than the Line-In, since Line-In inputs don't handle microphone frequencies well.