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Shure SM7B

A broadcast dynamic microphone for a close, speech-focused voice.

Elgato Wave:3 MK.2

A USB microphone with Elgato’s Wave Link software.

Before you choose

Shure SM7B

The catch: It needs more gain than most entry-level interfaces give: Shure asks for a preamp with more than 60 dB of gain, or an inline booster. Choose the interface before the microphone.

You need:

  • An audio interface or mixer with an XLR microphone input
  • An XLR cable
  • An interface with more than 60 dB of gain, or an inline booster
  • A microphone stand or boom arm

Elgato Wave:3 MK.2

The catch: Choose the MK.2 as your audio device and set up its processing before adding it to OBS; guides for the first Wave:3 describe different processing.

Check first:

  • A USB port that fits the cable

Everything to check before you buy

Where they differ

SpecsShure SM7BElgato Wave:3 MK.2
ConnectionXLRUSB
Elgato Wave:3 MK.2 plugs straight into a computer; Shure SM7B needs an audio interface and an XLR cable.
CapsuleDynamicCondenser
Shure SM7B is dynamic, which picks up less of the room; Elgato Wave:3 MK.2 is a condenser, which suits a quiet room.
Preamp gain neededmore than 60 dBNot published
Shure SM7B needs more than 60 dB of preamp gain, by its maker’s guide; Elgato Wave:3 MK.2’s maker publishes no such need.
Stand in the boxNoYes
Elgato Wave:3 MK.2 comes with a desk stand; Shure SM7B needs a stand or boom arm.

Where they are the same

Pickup patterns
Cardioid

Not enough data to compare

We haven’t confirmed a figure for one or both models on: XLR cable in the box. The site leaves these out rather than guess.

What else each needs

Shure SM7B

SM7B
An audio interface or mixer with an XLR microphone input
An XLR cable
An interface with more than 60 dB of gain, or an inline booster
A microphone stand or boom arm
  • You need: An audio interface or mixer with an XLR microphone input. A computer has no XLR input. The interface’s preamp raises the microphone’s signal and sends it to the computer over USB.
  • You need: An XLR cable. None comes in the box.
  • You need: An interface with more than 60 dB of gain, or an inline booster. Shure asks for a preamp with more than 60 dB of gain for this microphone.
  • You need: A microphone stand or boom arm. No stand comes in the box; it mounts on a 5/8-inch or 3/8-inch thread.

Elgato Wave:3 MK.2

Wave:3 MK.2
A USB port that fits the cable
A boom arm, if you want it closer
Wired headphones with a 3.5 mm plug
  • Check first: A USB port that fits the cable. A USB-C cable is in the box; check its other end against your computer’s ports.
  • Optional: A boom arm, if you want it closer. A desk stand is in the box. An arm lets you bring the microphone nearer your mouth without it sitting in the camera shot; check the arm fits its 1/4-inch, 5/8-inch or 3/8-inch thread.
  • Optional: Wired headphones with a 3.5 mm plug. Its headphone socket lets you hear yourself straight from the microphone, before the computer adds delay.

Next step

Put either model into the setup builder to check it against your computer and the rest of your gear. Test your microphone before you go live.

Full profiles: Shure SM7B and Elgato Wave:3 MK.2.

Sources