Glockenklang Bass Art Classic Preamp, Bass Preamp, 2 U, 19", 2x 1/4" jack-inputs A and B, front panel switchable built-in A/B box, DI Out is level adjustable, All stages (incl. equalizer) using Class A modules., Effect Send features an adjustable basscut (25 - 500 Hz) Effect Return (post Eq), is adjustable on the front panel for parallel Loop, with mix feature, weight 4,2kg