"The Avalon AD2055 Dual Mono EQ. Powerful EQ that breathes life into all musical performances delivering clear open high frequencies and warm lows. The Avalon AD2055 combines 100% discrete, pure class A signal amplifiers with state-of-the-art passive and active filter topologies. The AD2055s unique circuitry delivers very high resolution transient detail at the operational extremes of real world equalization demands. The AD2055 auto-bias DC servo loop control eliminates the need for all interstage capacitor coupling. The AD2055 breathes life into all musical performances. The main features of the Avalon AD2055 include: 100% discrete, pure class A Passive and active filter design Transparent, minimal signal path Very low noise- 94dB Balanced DC inputs and outputs Hard wire relay bypass High headroom+30dB output Twin seven octave mid-sweep X10 frequency multipliers Wide bandwidth 1Hz to 500kHz Sealed silver relays Discrete class A power regulators"<-p>