This is a Demo item, meaning it was used on a showroom floor so it is being sold at a reduced price. It may come without original packaging and may have minor blemishes. Some rack units may have deeper scratches on the chassis.
HP400V2 is a professional 4-channel headphone amplifier. 7-digit LED used to control signal to avoid overload. Each channel features L MUTE/R MUTE knob, treble and low frequency EQ, output level control and output balance adjustable knob, all these knobs help you to monitor an ideal sound quality. Meanwhile, TRS and XLR two types connector make the unit applies to more occasions. Alum, acrylic (build-in blue LED light) and steel panel material make the unit beautiful, firm and durable.