UA-20

USB Audio/MIDI Interface

UA-20
Discontinued

The UA-20 is the standard model to Edirol's rapidly expanding UA series of USB Audio Capture devices. The unit can accept input from Mic, Line and even guitar level signals. The audio is converted at 24-bit quality and is transferred to your computer via industry standard low latency WDM, ASIO, MME drivers for compatibility with all major sequencing platforms, the input signal may be also monitored directly in hardware. Outputs include analogue, digital and headphone. The built-in MIDI in and out utilize Edirol's Fast Processing Technology for super accurate MIDI timing with any sequencing software on Mac or PC platforms and can be used with both OMS or FreeMIDI drivers on the Apple Macintosh. The UA-20 requires no external power supply and is ideal for use by mobile laptop or Powerbook users. The unit ships with drivers for Windows XP, 2000, Me, 98, MacOS X, and Mac OS 9.x, 8.5 and may also be used with the native USB audio drivers that are included with both Mac & PC.

Number of Audio Record/Playback Channels (Full duplex)
Record
1 pair of stereo
Playback
1 pair of stereo
Signal Processing
PC interface
24 bit
Sampling Rate
Digital output
44.1 kHz
Nominal Input Level
-45 – -10 dBu
Input Impedance
LINE
22 k ohms
GUITAR
470 k ohms
MIC
22 k ohms
Nominal Output Level
-10 dBu
Output Impedance
1 k ohms
Residual Noise Level
Master Out
-105 dBu or less
(input terminated with 1 k ohm, Master Volume = max.,
Input Monitor = off, IHF-A, typ.)
Interface
USB
Digital output (Optical Type , conforms to S/P DIF)
Connectors
Input Jack (1/4 inch phone type) x 2
Digital Out Connector (Optical type)
Headphones Jack (Stereo miniature phone type)
Master Out Jack (RCA phono type)
MIDI Connectors
Others
Power Supply
Supplied from the computer
Current Draw
170 mA
Accessories
Owner’s Manual
USB cable
CD-ROM
Size and Weight
Width
149 mm
5-7/8 inches
Depth
111 mm
4-3/8 inches
Height
43 mm
1-11/16 inches
Weight
0.2 kg
0 lbs. 8 oz.
(0 dBu = 0.775 V rms)
*The specifications are subject to change without notice.

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Updates & Drivers

Support

If you have questions about operating your Roland product, please check our Knowledge Base for answers to the most common questions.
You can also contact our Product Support department by phone or email.
In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference.