| CI2+ | CI2 | CI1 | |
|---|---|---|---|
| Analogue line inputs | 2 | 2 | 2 |
| Number of microphone inputs | 2 Combo | 2 Combo | 2 Combo |
| Number of inputs with HI-Z | 1 | 1 | 1 |
| Number of analog outputs (bal) | 2 | 2 | 2 |
| AD/DA | 24-bit | 24-bit | 24-bit |
| Max sample rate | 48 kHz | 48 kHz | 48 kHz |
| Frequency range | 20 Hz to 20 kHz | 20 Hz to 20 kHz | 20 Hz to 20 kHz |
| Dynamic range | 96 dB (A-weighted) | 96 dB (A-weighted) | 96 dB (A-weighted) |
| Interface type | USB 1.1 | USB 1.1 | USB 1.1 |
| Buttons for Previous/Next marker |  |
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| Buttons for Play/Stop/Rec | |
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| Footswitch connector | |
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| AI Knob | |
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| AI Knob Lock | |
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| Action Pad | |
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| Phantom power | |
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| Mono input switch | |
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| USB-powered | |
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| Phones output | |
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| Color | Black and gray | Light green and gray | Ice blue |
| Weight | 720g | 720g | 720g |
| Dimensions | 45,4 mm x 190 mm x 134,5 mm | 45,4 mm x 190 mm x 134,5 mm | 45,4 mm x 190 mm x 134,5 mm |
| Bundled software | Cubase AI 6, WaveLab LE 7 | Cubase AI 6 | Sequel LE, WaveLab LE 7 |
| Optional accessories | Yamaha FC5 (foot switch), Yamaha BMS10A (mic stand adapter) | Yamaha FC5 (foot switch), Yamaha BMS10A (mic stand adapter) | Yamaha BMS10A (mic stand adapter) |
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