Benchmark Firmware Upgrade Kits for DAC3 Model:DAC3 L Capacitance: 45 pF/ft

Capacitance: 45 pF/ft

The HPA4 can drive the HD 800 S to its maximum rated input power

A press of the control knob will wake turn on or brighten the screen if you are using the screen sleep or auto-dim functions

The -20 dB "dim" function is also accessible from the optional remote control

Benchmark Firmware Upgrade Kits for DAC3 Model:DAC3 L Capacitance: 45 pF/ftFree DAC Firmware Upgrade Kit If you have purchased either a Benchmark HPA4 or LA4 amplifier and you currently have an older version of a DAC2 or DAC3 converter other than the DAC3 B, you may be eligible for a free DAC Firmware Upgrade Kit. Converters manufactured after 9 17 2018 are fully compatible with the HPA4 and LA4 and do not need this upgrade and do not qualify for a free upgrade kit. The date of manufacture is shown on the bottom of the unit.