2x4 USB Audio Interface

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The 2-in/4-out Rubix24 USB audio interface from Roland offers a balance of high-fidelity sound, solid build quality, compact size, and powerful features, which give you studio-grade performance just about anywhere you choose to record.

The Rubix24 is equipped with two low-noise mic preamps and a Hi-Z jack input for guitars or other high impedance sources. It supports audio resolution up to 24-bit/192 kHz and features class-compliant Mac and Windows drivers, for low latency. Four individual balanced outputs give you additional options for routing and monitoring setups.

The unit also features a hardware compressor/limiter to help ensure you capture a hot signal without clipping or unwanted distortion, and big level indicators that clearly show if a channel has incoming signal or if you're going to overload, critical for working in low-level light environments such as stages.

The Rubix24 is well equipped to meet the rigors of the road. Its sturdy and compact metal construction, extensive shielding, and ground lift effectively protect it against radio frequency interference and electrical hums, often found in live venues.

Connect your Rubix24 to an iPad, and using the included Ableton Live Lite software, turn it into a compact system for on-location productions.



  • 2-in/4-out USB audio interface
  • 2 low-noise mic preamps with XLR-1/4" combo jacks
  • Hi-Z input for guitar and other high-impedance sources
  • MIDI In/Out ports
  • High-resolution audio up to 24-bit/192 kHz
  • Low-latency class-compliant drivers for Mac OS, Windows, iPad
  • Hardware compressor/limiter
  • Big, easy-to-read indicators show vital information
  • Ground lifts for quiet operation in a variety of venues
  • Extensively shielded, low-noise design
  • Sturdy and compact metal construction
  • Includes Ableton Live Lite
Channels Record: 2 channels


Playback: 4 channels


Signal Processing Interface: 24-bit


AD/DA conversion: 24-bit


Sampling Frequency AD/DA Conversion: 44.1, 48, 96, 192 kHz
Interface Hi-speed USB


MIDI in/out


Connectors Input (1L, 2R) Connectors: XLR, balanced, phantom power (+48 V, 6 mA max.)


Input (1L, 2R) Jacks: 1/4" TRS phone, balanced, input 1L supports high impedance

Phones Jack: Stereo 1/4" phone 

Output (1L, 2R, 3L, 4R) Jacks: 1/4" TRS phone, impedance balanced

MIDI (In/Out) connectors

USB port: USB Type-B

5 VDC Port: USB Micro-B


Controllers SENS 1L, 2R, knobs


Hi-Z switch

48 V switch

THRS knob



MONO switch







Indicators Level indicators (1L, 2R)


Level indicator (COMP/LIMIT)

Power indicator

Hi-Z indicator

48 V indicator


Nominal Input Level Input (1L, 2R) Connectors (XLR): -60 to -12 dBu


Input (1L, 2R) Jacks (1/4" TRS Phone): -44 to +4 dBu



Maximum Input Level Input (1L, 2R) Connectors (XLR): +2 dBu


Input (1L, 2R) Jacks (1/4" TRS Phone): +18 dBu



Nominal Output Level Output (1L, 2R, 3L, 4R) Jacks: -6 dBu, impedance balanced
Maximum Output Level Output (1L, 2R, 3L, 4R) Jacks: +8 dBu, impedance balanced
Phones Output: 20 mW + 20 mW / L + R, 47 Ohms load
Headroom 14 dB
Input Impedance Input (1L, 2R) Connectors (XLR): 4 kOhms or greater (balanced)


Input (1L, 2R) Jacks (1/4" TRS Phone): 15 kOhms or greater (balanced)

Input (1L) Jack (1/4" Phone): 500 kOhms or greater when Hi-Z is turned on


Output Impedance Output (1L, 2R, 3L, 4R) Jacks: 2 kOhms, balanced


Phones Jack: 47 Ohms


Residual Noise Level (IHF-A, typ.) Input (1L, 2R) to Output (1L, 2R): -94 dBu typ. (SENS 1L, SENS 2R knobs: min., input terminated with 600 Ohms, IHF-A, typ.)
Dynamic Range AD Block Input (1L, 2R) Jacks: 104 dB typ. (SENS 1L, SENS 2R knobs: min.)


DA Block Output (1L, 2R, 3L, 4R) Jacks: 109 dB typ.


Power Supply Supplied from computer via USB, 5 VDC
Current Draw 500 mA
Operating System Windows 7, 8, 8.1,10


Mac OS X 10.10 or later

iPad iOS 9 or later


Dimensions (W x D x H) 7.2 x 6.5 x 1.8" / 183.0 x 165.0 x 46.0 mm
Weight 2.6 lb / 1.2 kg
Packaging Info
Package Weight 3.9 lb
Box Dimensions (LxWxH) 10.8 x 8.9 x 3.4"
More Information
Price $319.99
Vendor Item Number RUBIX24
Special Order 1
Coming Qty 1
Manufacturer Roland
Stock Status In Stock
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