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What else you need to use it

RØDECaster Duo
A microphone: an XLR microphone and an XLR cable for each input you use, or a headset with a 3.5 mm TRRS plug, or a RØDE USB microphone it supports, or a RØDE Series IV wireless microphone
Headphones with a 1/4-inch plug (or a 3.5 mm adapter), or a headset in the 3.5 mm TRRS socket
A mains socket nearby
A USB-C port on your computer

Worked out from RØDE’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.

You need

  • A microphone: an XLR microphone and an XLR cable for each input you use, or a headset with a 3.5 mm TRRS plug, or a RØDE USB microphone it supports, or a RØDE Series IV wireless microphone. Its microphone inputs: 2 mic/instrument/line combo inputs; 1 TRRS headset I/O; RODE USB microphone support; RODE Series IV wireless (up to two transmitters, built-in receiver). USB versus XLR
  • Headphones with a 1/4-inch plug (or a 3.5 mm adapter), or a headset in the 3.5 mm TRRS socket. Its headphone socket is 1/4-inch; the headset socket takes a 3.5 mm TRRS headset.

Check first

  • A USB-C port on your computer. The cable in the box has USB-C at both ends. If your computer only has USB-A ports, you need a USB-C to USB-A cable rated for the same speed.

In the box

  • A mains socket nearby. It runs from mains power; the adapter is in the box.

When this model makes sense

  • Connect your microphones to the computer through one interface; count how many voices you need at once before choosing.
  • Listen on its headphone outputs, and give a remote guest a separate mix so they don’t hear themselves.
  • Record each channel you need into OBS or your recording app, then play each one back to check it went where you meant.

The Interface versus mixer guide weighs it against the other ways to fill the same role.

Connections and specs

Full name
RØDE RØDECaster Duo
Still sold
Yes, a current model
Type
Audio interfaces and mixers
Connection
Connector shape
2 XLR/TRS combo; 3.5 mm TRRS headset; 2 USB-C data; Dedicated USB-C power; Ethernet; 2 1/4-inch headphone; 2 1/4-inch balanced line outA plug’s shape doesn’t tell you its speed →
Audio inputs
2 mic/instrument/line combo inputs; 1 TRRS headset I/O; RODE USB microphone support; RODE Series IV wireless (up to two transmitters, built-in receiver)
Supplies 48 V phantom power
Yes
Direct monitoring
YesWhat direct monitoring does →
Mix-minus
Available on both USB interfacesWhat mix-minus is for →
Audio outputs
2 headphone outputs; Balanced monitor outputs; USB interfaces
Preamp gain (dB)
76
Sample rate
48 kHz
Bit depth
USB 1: 32-bit; USB 2: 24-bit
USB ports
USB 1: 2-in/14-out multichannel plus 2-in/2-out mix-minus; USB 2: 2-in/2-out mix-minus
Power input
USB-C PD, 9 V / 3 A
Records to
microSDHC; microSDXC; USB-C removable drive formatted exFAT at minimum 100 MB/s
Onboard storage
4 GB for SMART Pads
Network
Wi-Fi 802.11g/n/ac 2.4 and 5 GHz; Ethernet 100/100
SMART Pads
6
Controls
Faders
4
Touchscreen
5.5-inch HD
Size and mounting
Dimensions
235 x 225 x 76 mm
Weight
1131 g
In the box
Included parts
RODECaster Duo; Power adapter; SC27 USB-C to USB-C cable
Software included
RODE Central
Computer
Operating systems
Windows 10 version 1803+; Windows 11; macOS 10.15+

Check these conditions first

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

For an interface, count the microphone inputs and headphone outputs you need. Loopback sends your computer’s sound back in so you can record or stream it; mix-minus sends a guest everything except their own voice. They solve different problems, so check for the one you need.

What is included, and what may be missing

  • RODECaster Duo
  • Power adapter
  • SC27 USB-C to USB-C cable

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 RØDE RØDECaster Duo 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

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