Plantronics M15D digital adapter delivers unsurpassed acoustic protection and exceptional sound quality. With SoundGuard DIGITAL, daily noise exposure is monitored and controlled in line with new legislation, whilst loud sounds are identified and eliminated. Call Clarity DIGITAL enhances sound quality, with automatic volume leveling, selective frequency-response shaping, and phone-noise reduction. This audio processor has all the technology you could wish for in a processor. It uses Call Clarity DIGITAL and Digital Sound Processing (DSP) to deliver incomparable acoustic protection and sound quality. Add to that the SoundGuard, which ensures that your ears will never again be assaulted by sudden, harsh noises. The automatic volume leveller will make sure that all calls are clear and intelligible. In short: enjoy perfect calls every time whilst protecting your precious ears. Using Digital Signal Processing (DSP), the M15D offers unsurpassed acoustic protection and provides a solution to contact centres needing to ensure compliance with Health & Safety At Work guidelines Complies to G616 WHS recommendations.