Name: Razer Seiren V3 Pro
Brand: Razer

What else you need to use it

Seiren V3 Pro

For USB: a USB port that fits the cable

For XLR: an audio interface or mixer with an XLR microphone input

For XLR: an XLR cable

A boom arm, if you want it closer

Wired headphones with a 3.5 mm plug

Worked out from Razer’s own specifications and box contents for this model. The setup builder checks the same parts against your computer and the rest of your gear.

Check first

For USB: a USB port that fits the cable. A USB cable is in the box, but its ends are not listed. Check it against your computer’s ports.

Optional

For XLR: 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. Compare audio interfaces
For XLR: an XLR cable. None comes in the box.
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 5/8-inch thread.
Wired headphones with a 3.5 mm plug. Its headphone socket lets you hear yourself straight from the microphone, before the computer adds delay. Headphone test

When this model makes sense

Record one voice over USB now, or through an XLR interface later; get the placement right before adding effects.
Use its headphone socket to hear yourself while you set distance and gain.
Use it with an XLR cable and an interface that has enough gain. Its USB voice effects don’t apply on XLR.

The USB versus XLR guide weighs it against the other ways to fill the same role.

Connections and specs

Full name: Razer Seiren V3 Pro
Still sold: Yes, a current model
Type: Microphones
Connection
Connector shape: USB-C; 3-pin XLR; 3.5 mm headphoneA plug’s shape doesn’t tell you its speed →
Audio outputs: USB; XLR; headphone
Microphone type: Dynamic
Needs 48 V phantom power: No
Direct monitoring: YesWhat direct monitoring does →
Connects by: USB/XLR
Capsule: 30 mm dynamic
Pickup pattern: Cardioid
Frequency response: 50 Hz-16 kHz
Sample rate: 48 kHz; 96 kHz
Bit depth: 24-bit; 32-bit float through Synapse on Windows
Sensitivity: -50 dB (1 V/Pa at 1 kHz)
Max SPL: 150 dB over XLR; 125 dB over USB
Impedance: 300 ohms
Preamp gain (dB): 40
Power input: 5 V / 500 mA over USB
Controls on the device: Touch mute with LED; Mic gain/headphone volume control
Body: Zinc unibody
Built in: Built-in shock absorber; Removable pop filter
Voice processing: AI noise remover; Limiter; Compressor; Expander; Automatic gain adjustment
Size and mounting
Mounts: 5/8-27 thread; Adjustable arm mount; Removable desktop stand
In the box
Included parts: Razer Seiren V3 Pro microphone with adjustable arm mount; Removable desktop stand; Removable pop filter; USB cable
Computer
Operating systems: Windows for 32-bit float through Razer Synapse

Check these conditions first

Not yet confirmed from Razer’s documents: dimensions, power draw. The builder treats them as unknown, never as a yes.

For a microphone, set your distance and input gain before adding any processing. Speak as loudly as you will on stream, listen back to a recording and leave some headroom. Judge a USB/XLR microphone in the mode you will use: its USB voice processing does not carry over to XLR.

What is included, and what may be missing

Razer Seiren V3 Pro microphone with adjustable arm mount
Removable desktop stand
Removable pop filter
USB cable

The supplied USB cable is documented, but its connector ends are not. For an XLR setup, add an XLR cable and interface; a USB cable cannot serve that route.

Both cable ends and the data rating matter more than the plug shape: streaming cables and ports explains how to match them.

Place it in the complete setup

Your signal pathFrom my PC

WebcamUSB video out

MicrophoneUSB audio out

Streaming computerUSB inputs · OBS

HeadphonesWhat you hear

Power supplyPower for each device

Router and platformEthernet · upload

USB videoUSB audio3.5 / 6.3 mmEthernetPower

WebcamUSB video out

MicrophoneUSB audio out

Streaming computerUSB inputs · OBS

HeadphonesWhat you hear

Power supplyPower for each device

Router and platformEthernet · upload

USB videoUSB audio3.5 / 6.3 mmEthernetPower

━━ Video┄┄ Audio··· Network┄ Power

Every connection

Webcam USB outUSB cable → A USB port on your computer
Microphone USB outUSB cable → A USB port on your computer
Microphone / interface headphone out3.5 mm or 6.3 mm headphone connection → Headphones (what you hear)
Computer Ethernet portEthernet cable → router; your upload → Platform (check the stream preview)
Wall socketThe maker’s power supply, or USB power → Computer and devices that need their own power

The diagram shows a simple USB setup. Find where the Razer Seiren V3 Pro goes, then follow each input back to what feeds it and each output on to where it goes. HDMI and XLR gear needs a capture card or audio interface between it and your computer; it doesn’t plug straight in the way this USB example does.

The setup builder turns this into a connection list for your own computer and gear, and the pre-stream checklist covers the rehearsal once it is wired.

Compare it head to head

Each page sets the two models’ specs side by side and says what else each one needs.

Guides and setups that use it

Sources

Report a correction.