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What else you need to use it

Seiren V2 X
A USB-A port on your computer
A boom arm, if you want it closer
Razer Synapse optional (Windows 10 64-bit or later): high-pass filter, analog gain limiter, sample rate and Stream Mixer

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

  • A USB-A port on your computer. The cable in the box is USB-C to USB-A. If your computer only has USB-C ports, use a USB-C to USB-C cable instead.

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.
  • Razer Synapse optional (Windows 10 64-bit or later): high-pass filter, analog gain limiter, sample rate and Stream Mixer. The maker’s app adds settings; the device works without it.

When this model makes sense

  • Record one voice straight over USB; get the placement right before adding effects.
  • Plug headphones into its 3.5 mm socket to hear yourself, and play back a test recording before going live.
  • Keep a simple one-voice setup without buying an XLR interface. Add one only when you need another input.

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

Connections and specs

Full name
Razer Seiren V2 X
Still sold
Yes, a current model
Type
Microphones
Connection
Connector shape
USB-C on the microphone; 3.5 mm headphone; USB-A to USB-C cableA plug’s shape doesn’t tell you its speed →
Audio outputs
USB
Microphone type
Condenser
Pickup pattern
Supercardioid
Power input
5 V / 350 mA over USB
Connects by
USB
Capsule
25 mm condenser capsule
Sample rate
96 kHz
Bit depth
24-bit
Frequency response
20 Hz – 20 kHz
Sensitivity
-34 dB (1 V/Pa at 1 kHz)
Max SPL
120 dB
Signal-to-noise ratio
105 dB (A-weighted)
Controls on the device
Mute button (lights red when muted); Gain knob
Software
Software you need
Razer Synapse optional (Windows 10 64-bit or later): high-pass filter, analog gain limiter, sample rate and Stream Mixer
Size and mounting
Mounts
Desk stand base; Thread mount for a boom arm (thread size not stated)
In the box
Included parts
Razer Seiren V2 X; Support rod; Desk stand base; USB-A to USB-C cable; Important Product Information Guide

Check these conditions first

Not yet confirmed from Razer’s documents: operating systems. The builder treats it 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 V2 X
  • Support rod
  • Desk stand base
  • USB-A to USB-C cable
  • Important Product Information Guide

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
  1. Webcam USB outUSB cable → A USB port on your computer
  2. Microphone USB outUSB cable → A USB port on your computer
  3. Microphone / interface headphone out3.5 mm or 6.3 mm headphone connection → Headphones (what you hear)
  4. Computer Ethernet portEthernet cable → router; your upload → Platform (check the stream preview)
  5. 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 V2 X 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.

Sources

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