Reissue of the legendary 1960s program equalizer. 1-channel MonoThe legendary 1960s LANG-PEQ2 is back.Passive, solid-state program equalizer, centered on lows and highs.The same original design from LANG ELECTRONICS INC., a company recently acquired by Heritage Audio.Easy to use and achieve the legendary PEG-2 soundStepped controls:LF BOOST (low-frequency boost): 20, 30, 40, 60, 80, 120, 160 and 240HzHZ: LF BOOST gain from 0 to 16 dBLF DROOP (low-frequency cut): 25, 50, 100 and 200HzHZ: LF DROOP gain from 0 to 18 dBHF BOOST BANDWIDTH: Varies the Q curve between SHARP and BROAD for the HF BOOST bandHF BOOST (high-frequency boost): 2.5, 3.75, 5.0, 7.5, 10, 12, 15 and 20 kHzHZ: HF BOOST gain varies from 21 to 12.5 dB depending on the Bandwidth controlHF DROOP (high-frequency cut): 2.5, 5.0, 7.5, 10, 15 and 20 kHz,HZ: HF DROOP gain from 0 to 16 dBIncludes a -12 to +1.6 dB gain trimmer located inside the center panel logo, in the logoIN / OUT switch for bypassON / OFF switch for powerXLR input and outputExternal HA PSU04 power supply included.