Quick Start Guide
Page 3
... to http://www.alesis.com to register your computer, and avoid using a USB hub. This may overload the channel and cause distortion. y Plug the iO2 EXPRESS directly into any problems. BOX CONTENTS y iO2 EXPRESS y USB cable y Software CD y Quickstart Guide y Safety Instructions & Warranty Information booklet CONNECTION DIAGRAM Notes: y When recording a guitar or bass with the iO2 EXPRESS's audio and MIDI timing signals. Registering your instrument uses a passive pickup, set the iO2 EXPRESS's MIC/LINE / GUITAR SWITCH to "GUITAR...
... to http://www.alesis.com to register your computer, and avoid using a USB hub. This may overload the channel and cause distortion. y Plug the iO2 EXPRESS directly into any problems. BOX CONTENTS y iO2 EXPRESS y USB cable y Software CD y Quickstart Guide y Safety Instructions & Warranty Information booklet CONNECTION DIAGRAM Notes: y When recording a guitar or bass with the iO2 EXPRESS's audio and MIDI timing signals. Registering your instrument uses a passive pickup, set the iO2 EXPRESS's MIC/LINE / GUITAR SWITCH to "GUITAR...
Quick Start Guide
Page 4
... Sound Control Panel should become available.) 3. If you don't see Sound, select Switch to Start Menu Control Panel Sounds and Audio Devices. 3. Go to Start Menu Control Panel Sound. (If you experience too much latency after adjusting your computer, which may need to close the Properties window. 10. connected to receive audio via the iO2 EXPRESS. Click the Levels tab and set up to your software latency settings, we recommend the free ASIO4ALL (Audio Stream Input/Output) driver...
... Sound Control Panel should become available.) 3. If you don't see Sound, select Switch to Start Menu Control Panel Sounds and Audio Devices. 3. Go to Start Menu Control Panel Sound. (If you experience too much latency after adjusting your computer, which may need to close the Properties window. 10. connected to receive audio via the iO2 EXPRESS. Click the Levels tab and set up to your software latency settings, we recommend the free ASIO4ALL (Audio Stream Input/Output) driver...
Quick Start Guide
Page 5
... this output. 20. impedance input for mono or stereo operation. 17. MONITOR MIX - USB LED - Lights up when phantom power is controlled by the MAIN VOL knob. 3. LED METERS - PHANTOM POWER SWITCH - Consult your inputs with your 1/4" headphones to this switch is received from your microphone's documentation to this output is engaged. 6. MIDI OUT LED - This may overload the channel and cause distortion. USB PORT - Use the included cable to connect the iO2 EXPRESS to both XLR mic inputs. MAIN OUT - Flashes whenever MIDI data...
... this output. 20. impedance input for mono or stereo operation. 17. MONITOR MIX - USB LED - Lights up when phantom power is controlled by the MAIN VOL knob. 3. LED METERS - PHANTOM POWER SWITCH - Consult your inputs with your 1/4" headphones to this switch is received from your microphone's documentation to this output is engaged. 6. MIDI OUT LED - This may overload the channel and cause distortion. USB PORT - Use the included cable to connect the iO2 EXPRESS to both XLR mic inputs. MAIN OUT - Flashes whenever MIDI data...
Quick Start Guide
Page 18
TECHNICAL SPECIFICATIONS Interface: Features: Audio I/O: Power: Dimensions: Weight (net): iO2 EXPRESS 24-bit audio / MIDI interface Stereo, 24-bit inputs/outputs Sample-rate adjustable up to 48 kHz Separate gain knob and mic/line / guitar switch for each input All balanced inputs and outputs Stereo 1/4" headphone jack MIDI I/O Mic inputs: SNR: 95dB (A-weighted) minimum - 97dB typical THD+N: 0.007% maximum - 0.005% typical Frequency Response: ±0.35dB typical 1/4" guitar/line inputs: SNR: 94dB (A-weighted) minimum - 96dB typical THD+N: 0.05...
TECHNICAL SPECIFICATIONS Interface: Features: Audio I/O: Power: Dimensions: Weight (net): iO2 EXPRESS 24-bit audio / MIDI interface Stereo, 24-bit inputs/outputs Sample-rate adjustable up to 48 kHz Separate gain knob and mic/line / guitar switch for each input All balanced inputs and outputs Stereo 1/4" headphone jack MIDI I/O Mic inputs: SNR: 95dB (A-weighted) minimum - 97dB typical THD+N: 0.007% maximum - 0.005% typical Frequency Response: ±0.35dB typical 1/4" guitar/line inputs: SNR: 94dB (A-weighted) minimum - 96dB typical THD+N: 0.05...
