# Specifications

> ### Features | ### Duet 2
> Computer Connectivity | USB 2.0 High Speed
> Roundtrip Latency performance | 32 buffer @ 96kHz = 3.6 ms 64 buffer @ 44.1kHz = 5.8 ms
> Power | USB Bus Power (DC power optional)
> Bit resolution/sample rate | 24-bit/44.1-192kHz
> Input Channels | 2
> Output Channels | 4 (Stereo headphone out & L/R speaker outs)
> Speaker Outputs | Balanced
> Independent Headphone Out |
> Microphone Preamps | 2
> Microphone Preamp Gain | up to 75dB
> Line Level Input | +4 dBu, -10 dBV
> OLED Display |
> Touch Pads |
> Metering | Full Color OLED
> Breakout Cable Design | 2 Combi In, 2 1/4" Out
> Maestro Version | Maestro 2
> Phantom Power |
> Phase Invert |
> Soft Limit |
> Group Inputs |
> Mute Outputs |
> Sum to Mono |
> Dim Outputs |
> Toggle Headphone Source |
> Core Audio Compatible |