PSP 2Meters bundle consists two audio level measurement plug-ins: PSP VU2 and PSP PPM2. PSP VU2 offers professional VU metering with accurate overload indicators. PSP PPM2 provides professional European and BBC PPM metering with accurate overload indicators. All of their parameters, such as integration times and reference levels, are widely adjustable to ensure that these plug-ins are suitable for any application in which accurate metering is necessary.