precision measurement for accurate audio monitoring: The P55B VU Meter delivers precise readings of volume and power levels, making it suitable for professional recording, live sound setups, and home audio systems. Clear pointer analog display: The panel features a straightforward pointerstyle analog display, providing an easy visual indication of audio signal levels for fast and reliable interpretation during operation. Wide frequency compatibility: Works with a broad range of audio sources, enabling consistent measurement across multiple devices and formats in varied audio environments. Robust build for long lasting use: Compact and lightweight, with quality materials designed to withstand regular transport and setup demands without compromising measurement accuracy over time. Use scenarios: In a recording studio to monitor vocal and instrument levels during tracking and mixing. At live performances for frontofhouse monitoring and gain staging to maintain consistent audience sound. In a home studio or casual setup for speaker calibration and system tuning to ensure accurate playback.