The new ProSpec line include two versions; 8 Mic/Line inputs and 3 outputs (Left-Right-Center) as well as 4 Mix/Line inputs, plus 4 Stereo Line inputs, and 3 output (Left-Right-Center). These are single rack space mixers intended for commercial AV applications. The new ProSpec will maintain the same high quality audio and build standards of APB’s desktop products including the use of Burr-Brown mic preamplifiers. Also introduced at InfoComm were two 2-rack space ProSpec rack mount mixers, one of which includes the ability for automatic or manual microphone and line level control on a per channel basis. The ProSpec models include 6 mic/line channels, each with a variable high pass filter linked to the channels Low Frequency EQ frequency setting. Both L-R and Mono (Center) mix buses are provided, including the two stereo line input channels. Stereo and USB digital line inputs and outputs are also provided.