The Ocean Matrix OMX-INVU2 is a high quality stereo audio level meter is perfect to verify and measure audio signals in line or terminated. The unit comes with 3.5mm iPod compatible I/O connectors and 3.5mm to RCA (L & R) breakout cables for line level audio testing and detection. It can be used as an inline visual monitor for quick verification of audio, or it can be a desktop piece useful for audio confirmation of level for computer capture and recording
9V battery provides up to 2 hours of operation