Speaker Line Calculator is a free utility and tool app developed by LaPera Applications for Android devices. It is designed for professionals or enthusiasts in the audio industry and helps calculate different aspects of high or low impedance speaker lines.

The app includes features such as cross-section calculation for high impedance lines like 100V, 70V, and 50V, power losses and SPL calculation for high impedance lines, cross-section calculation for low impedance lines like 2Ω, 4Ω, 6Ω, 8Ω, 16Ω, and 32Ω, power losses and SPL calculation for low impedance lines, automatic combination of low impedance speakers to fit an amplifier, speaker SPL calculation, AWG to mm2 and mm2 to AWG converter, dBu to mV and mV to dBu converter, and delay calculator. With these features, Speaker Line Calculator is a handy tool for anyone who needs to calculate different aspects of speaker lines. The app is user-friendly and easy to use with accurate results.