Class I stereo power amplifier 2 x 3900 W-2?, 2 x 3200W-4?, 2 x 1800W-8?

HPX is a series of Proel power amplifiers designed to provide entertainers and audio professionals with quality performance and maximum portability at a very affordable price.

Combining rock-solid Class AB and Class H power stages to extremely efficient switch mode power supplies, the HPX amplifier delivers from 900W to 7200W of pure power to your speaker system in 2 Ohm operation, providing clear and defined highs together with extremely punchy lows.

Thanks to the SMPS light-weight technology and to the efficient cooling system, the HPX comes in a very compact and portable package, yet sturdy enough to provide the maximum protection and durability over the years. In the models from 900 to 2800 a built in selectable LPN (low pass notch) filter enhances the amplfier response at the low frequenties, providing an increased punch while protecting the speaker from over excursion and increasing the headroom.

The biggest models of the series, HPX-4600 and HPX-8000, feature a 3-tier Class H power stage, providing very high power levels in a high density structure. With an overall efficiency higher then  75% and a comprehensive set of controls, including a 3-position gain selector and switchable soft clip limiters. they represent a cost effective solution also for large sound reinforcement systems requiring very high power leverls combined to top quality performance.

The front panel, with very comfortable die cast handles and removable dust filters, features a comprehensive set of LED indicators together with detented level controls. The connections include XLR, 1/4" jack and RCA for the inputs, Speakon and binding posts for the outputs.