OST-4 v2.O the Class A/B P2 PRO

the Class A/B P2 PRO Dual Mono Power Amplifier is a dual mono design

Sophisticated DSP that's surprisingly easy to use

The receiver modules are easy to change with no tools required

Circumaural memory foam ear pads offer high long-term comfort

7 watts per channel

OST-4 v2.O the Class A/B P2 PROand even the most demanding class A and vacuum tube designs. The OST 4 V2. 0 enclosure features Heritage Audio's On Slot Technology, providing maximum protection, filtering, and isolation to each channel. While most 500 series enclosures on the market have a relatively simple power supply design essentially feeding every channel in parallel, each channel of the OST 4 V2. 0 enclosure has its own power supply, individually regulated and isolated from