Roland Rubix22
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Manufacturer Information
Roland
https://www.roland.com
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Roland Central Europe N.V.
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A Rubix Interface Designed for Portable Studios, Without Compromising Signal Cleanliness
The Rubix24 follows the spirit of the Rubix series: offering a USB interface that is easy to integrate but capable of delivering clear, defined, and production-ready sound. Roland has especially refined the audio chain "from input to output" to maintain a very low noise level, a crucial point when layering takes (vocals, guitars, synths) and aiming for a clean mix right from recording.
Who It's For and In Which Uses the Rubix24 Makes a Difference
The Roland Rubix24 is aimed at musicians, beatmakers, podcasters, and producers who want a reliable 2-input / 2-output sound card to record a voice and an instrument, or two simultaneous sources. Thanks to the MIDI connectivity (IN/OUT), it also integrates very well into a keyboard and machine-oriented studio. Its USB operation facilitates mobility, and its iOS compatibility allows building a compact setup with an iPad to compose, record, and create demos anywhere.
Key Features for Efficient Recording, Streaming, and Producing
Preamps, Hi-Z, and Phantom Power: True Input Versatility
The two combo inputs accommodate microphones (XLR) and line/instrument sources (1/4-inch TRS jack). Activate +48 V for a condenser microphone, or Hi-Z on input 1 to plug in a guitar directly with the correct impedance. The SENS controls per channel allow quick gain adjustment, while the level indicators help avoid clipping.
Practical Tools: Comp/Limit, Loopback, and Ground Loop Management
For more controlled takes and live content, the Rubix24 includes functions rarely this accessible: COMP / LIMIT (with type selection), LOOPBACK to send computer audio back into your stream, and a GROUND LIFT switch useful for reducing hum in certain setups. Add to this the DIRECT MONITOR, MONO mode, and headphone source selection, and you get an interface designed to record and monitor your listening with precision.
Technical specifications
| Compatibility | PC, Mac |
| Sampling frequency | 192 kHz |
| Max resolution | 24-bits |
| Headphone outputs | Yes |
| Nominal mode power consumption (Wh) | 2 W |
| Recording | 2 channels |
| Playback | 2 channels |
| PC Interface | 24 bits |
| AD / DA Conversion | 24 bits |
| INPUT (1L, 2R) | XLR (balanced, phantom power: +48 V, 6 mA max per channel) |
| PHONES | stereo 1/4-inch jack |
| OUTPUT (1L, 2R) | 1/4-inch TRS jack (balanced impedance) |
| MIDI | IN, OUT |
| USB Port | USB Type B |
| DC 5V Port | USB Micro B |
| Nominal input level (XLR) | -60 to -12 dBu |
| Nominal input level (1/4-inch TRS) | -44 to +4 dBu |
| Maximum input level (XLR) | +2 dBu |
| Maximum input level (1/4-inch TRS) | +18 dBu |
| Nominal output level (OUTPUT) | -6 dBu (balanced impedance) |
| Maximum output level (OUTPUT) | +8 dBu (balanced impedance) |
| Maximum headphone output power | 20 mW + 20 mW (47 ohms load) |
| XLR input impedance | 4 k ohms or more (balanced) |
| 1/4-inch TRS input impedance | 15 k ohms or more (balanced) |
| Hi-Z input impedance (input 1L, Hi-Z active) | 500 k ohms or more |
| OUTPUT impedance | 2 k ohms (balanced) |
| PHONES impedance | 47 ohms |
| Residual noise level | -94 dBu typical (SENS min., input terminated with 600 ohms, IHF-A) |
| AD dynamic range (INPUT) | 104 dB typical (SENS min.) |
| DA dynamic range (OUTPUT) | 109 dB typical |
| Consumption | 500 mA |
| Dimensions | 145 (W) x 165 (D) x 46 (H) mm |
| Dimensions (inches) | 5-3/4 (W) x 6-1/2 (D) x 1-13/16 (H) |
| Weight (main unit only) | 11.0 kg |
| Weight | 2 lbs 4 oz |
Questions frequently asked
Can a condenser microphone and a guitar be recorded simultaneously?
Both inputs allow recording two channels simultaneously. Phantom power +48 V is available for a condenser microphone, while input 1 features a Hi-Z mode of 500 kΩ or higher for a guitar.
Does the Roland Rubix22 work with an iPad?
iOS compatibility is specified, in addition to PC and Mac environments. Connection to the computer is via a USB Type B port.
What audio quality does this USB interface offer?
The A/D and D/A conversion operates at 24 bits with a maximum sampling rate of 192 kHz. The dynamic range is rated at 104 dB on input and 109 dB on output. Residual noise is typically -94 dBu with the SENS control set to minimum.
Does this interface feature MIDI ports?
One MIDI input and one MIDI output are integrated to connect MIDI keyboards or machines to the studio.
How to stream audio from software using the Rubix22?
The LOOPBACK function routes the computer audio back into the streaming feed. The COMP/LIMIT offers several types of processing, and the DIRECT MONITOR allows monitoring without relying solely on the software signal.
