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 USBDigital output (Optical Type , conforms to S/P DIF) Connectors Input Jack (1/4 inch phone type) x 2Digital 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 ManualUSB cableCD-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.
Downloads Updates & Drivers Updates & Drivers UA-20 Driver Version 1.0.0 for Windows 7 32-bit Edition This is the EDIROL UA-20 driver for Microsoft(R) Windows 7. This driver also supports ASIO (Steinberg Audio Stream I/O Interface). UA-20 Driver Version 1.0.0 for Windows 7 64-bit Edition This is the EDIROL UA-20 driver for Microsoft(R) Windows 7 64-bit Edition. This driver also supports ASIO (Steinberg Audio Stream I/O Interface). UA-20 Driver Version 1.0.0 for Windows Vista 32-bit Edition This is the EDIROL UA-20 (Advanced mode) driver for Microsoft(R) WindowsVista(TM).This driver also supports ASIO(Steinberg Audio Stream I/O Interface) 2.0. UA-20 Driver Version 1.0.0 for Windows Vista 64-bit Edition This is the EDIROL UA-20 (Advanced mode) driver for Microsoft(R) Windows Vista(TM) 64-bit Edition.This driver also supports ASIO(Steinberg Audio Stream I/O Interface) 2.0. UA-20 Driver Version 3.0.1 for Windows XP / Windows 2000 This is the EDIROL UA-20 driver for Microsoft(R) Windows(R) XP Home Edition/Professional and Microsoft(R) Windows(R) 2000 Professional. UA-20 Driver Version 2.2.1 for Mac OS X This is a driver for using the EDIROL UA-20 (Advanced mode) on Mac OS X (Supporting for 10.5 Leopard). - Compatible with Apple's standards of CoreAudio and CoreMIDI - Universal Binary Driver (This driver can work on both Intel and PowerPC processors.) - Single/Dual processor support - Can customize driver buffer size and managing precise recording and playback latencies UA-20 Driver Version 1.0.0 for Mac OS X 10.6 or later This is a driver for using the UA-20 with Mac OS X 10.6 (Snow Leopard).Compatible with Apple's standards of CoreMIDIUniversal Binary Driver (32-bit and 64-bit drivers)Single/Multi processor supportCompatible with Mac OS X v10.6 "Snow Leopard" as of Sep. 9, 2009 Clean-All USB Driver Utility This utility clears out all Roland USB Windows drivers and should be used if you are having difficulty installing your USB driver.Note: You will have to reinstall the drivers for any other Roland device that is using a USB connection for Audio or MIDI.
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 through Roland Backstage. In addition, we have a library of Owner’s Manuals and Support Documents that you can download and reference.