Apogee ProTools HD Card for Symphony I/O MK II Metric Halo as well as providing specifications

as well as providing specifications that rival those of dedicated headphone amps costing $1500 and more

voltage and placement needs

providing up to +25dB of ultra-clean gain for XLR microphones and Lo-z sources and up to 12dB for 1/4” instruments and Hi-z sources

Adjustable pedal feel (torque)

Apogee ProTools HD Card for Symphony I/O MK II Metric Halo as well as providing specificationsBest performance of any multi channel Pro Tools HD interface Best cost per channel value of any Pro Tools HD interface solution. Connects directly to any Pro Tools HD system (Mac or PC). Emulates Avid HD I O interface, including sample accurate delay compensation. Connect multiple units in a single system (1 unit per HD port). Easy I O calibration with front panel touchscreen.