5.1-Channel Surround Realtime Loudness Levelling Option Dolby® RTLL™ Real-Time Loudness Leveling 5.1 Channel Surround Sound Loudness Processor. Up to 4 licenses can be added to AAP-8644 card

5.1-Channel Surround Realtime Loudness Levelling Option Dolby® RTLL™ Real-Time Loudness Leveling 5.1 Channel Surround Sound Loudness Processor. Up to 4 licenses can be added to AAP-8644 card

AAPplusDSPRTLL5.1$2,055.20