Headway EDB-2 H.E., Multifunctional Acoustic Preamp, Equaliser Direct Blender, 2-channel harmonic amplifier, acoustic preamp, EQ's, D.I., anti-feedback, blender & harmonic amplifier, For pick-ups & microphones via battery or DC power supply, With customised extended functions, now also for two instruments, Harmonic enhanced analogue technology with tunable high harmonics, Two channels with two sets of interactive 5-band EQs and two mutes, 48 V and 11 V phantom power for jack and XLR mono and stereo inputs, Enhanced class ""A"" inputs & top pro audio circuitry that produces a huge 32dB of low-noise gain, Send & return FX loop, Mono, stereo or mixed outputs via jack & XLR, Tunable notch filter to bypass feedback and resonance on both channels, 2-Way phase invert and ground lift switch, Range switch (HPF) for guitar, bass or violin/mandolin via each channel, Includes power supply