Ultra-low noise, highest headroom in its class 4 new precision-engineered XDR(tm) Extended Dynamic Range premium studio-grade mic preamps with:
Ultra-wide 0-60dB gain range
130dB dynamic range for 24-bit, 192kHz sampling rate inputs
+22dBu line input handling
Distortion under 0.0007% (20Hz-20kHz)

Advanced DC pulse transformer RF rejection
12 line inputs (4 mono, 4 stereo pairs)
Separate RCA-type tape/CD inputs and tape outputs (unbalanced)
2 aux sends with 15dB of extra gain above Unity
Constant-loudness pan pots
PFL Stereo in-place Solo on each channel
2 stereo aux returns w/EFX to Monitor
Aux 1 master w/ Monitor/Post assign
3-band active EQ (80Hz, 2.5kHz, 12kHz)
18dB/oct. 75Hz Lo Cut filter eliminates stage rumble, wind noise, P-pops and low frequency recording studio room resonances
Extra ALT 3-4 stereo bus for submixes, separate recording, monitor and mix minus feeds
Control Room/Phones multi-input source matrix
Phantom power for premium condenser mics
Rugged steel chassis, sealed rotary controls
Built-in power supply--no wall wart!