DA40 support

USB II Standard

• Yes

DSP

• Yes

Echo Suppression Technology

• No

Wideband

• Yes

Value-Add Software

• No

Web Updates

• No

Inline Controls: Volume Mute Call Answer/End

• No

Quick Disconnect™

• Yes: 4-pin

Headset Compatibility

• H-series 1

• Although the DA40 and DA45 are compatible with all H-series headsets, choose a “Wideband” variant for best performance.