How to Connect a Mic to a Speaker
Updated Nov 11, 2026 · By 
Jonah Mercer · Editorial policy
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A microphone connects to a speaker with an XLR cable, often through a mixer or amplifier in between. The cable carries the mic signal to an input that raises it to a level the speaker can use. Match the connectors, switch on phantom power only if the mic needs it, and raise the level until you hear the mic.
Check the connectors on the mic and speaker
Look at the output on the microphone and the input on the speaker or mixer. A microphone with an XLR output has a 3-pin connector, and the input it plugs into has the matching 3-pin socket. A 1/4-inch or 3.5mm jack on the speaker is a different connection, so note which one you are working with before you buy a cable.
Choose a cable long enough for the run
Measure the distance from the microphone to the speaker or mixer, and leave slack so the cable does not pull tight when the mic moves. An XLR male-to-female cable has the female connector for the microphone end and the male connector for the input end. Shielded cable keeps hum and interference out of the signal, so pick a shielded cable when the run passes near power cables or lighting.
Plug the cable in and lock the connectors
Push the female connector onto the microphone output until it seats, and push the male connector into the input on the mixer, amplifier or speaker. Some connectors lock in place, so give each one a gentle tug to confirm it is seated. Keep the cable clear of walkways and away from chair legs, and leave enough slack at each end so a pull on the cable does not drag the mic or the speaker.
Switch on phantom power only if needed
Condenser microphones need 48V phantom power from the mixer or interface to work, while dynamic microphones make their signal without outside power. Find the 48V switch on the device the cable plugs into, and switch it on after the cable is connected. If your mic is a dynamic model, leave phantom power off. Check the microphone manual if you are not sure which type you have.
Raise the level and listen for the mic
Start with the level down, then raise the gain or volume on the mixer, amplifier or speaker a little at a time until you hear the mic. If you hear nothing, check that the cable is seated at each end, that the input is not muted, and that phantom power is on for a condenser mic. Move the mic closer to the sound source if the level stays low, and keep the mic away from the speaker to avoid feedback.
What you need
Monoprice XLR Male to XLR Female Cable
A 15 ft XLR male-to-female cable with 16AWG wire, gold-plated connectors and a braided shield, backed by a lifetime warranty.
- Shielded
- Length: 15 ft
- Lifetime warranty stated
Kxable 2 Pack Premium XLR Cables 30 FT
A 2-pack of 30 ft XLR cables with 22AWG pure copper wire, dual shielding and zinc alloy plugs, plus 5 cable ties and a one-year warranty.
- Cables in pack: 2
- Shielded
- Length: 30 ft
- One-year warranty stated
Rode RØDE XLR-6 Premium XLR Cable
A 20 ft XLR cable with Neutrik connectors and Canare cabling, in purple, with a 1-year warranty.
- Length: 20 ft
- 1-year warranty stated
These come from our ranked list Best XLR Cable for Mic, which compares them spec by spec.
Frequently asked questions
Can I plug a mic straight into a speaker?
Yes, if the speaker has an XLR input made for a microphone. Plug the cable from the mic into that input and raise the level.
Do I need phantom power for my microphone?
It depends on the mic. Condenser microphones need 48V phantom power to work, while dynamic microphones do not. Check the microphone manual for which type you have before you switch 48V on.
Why is there no sound from my microphone?
Check the cable at each end, confirm the input is not muted, and raise the level. A condenser mic stays silent without 48V phantom power, so switch it on if the mic needs it. If the sound is still missing, try another XLR input on the same mixer or speaker.
Ranked XLR cables lists
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