Car Audio Calculators, Tools & Guides

Subwoofer Box Calculator & EBP Check

Calculate sealed and ported enclosure volumes with EBP-based enclosure recommendations and port tuning.

Subwoofer Wiring & Impedance

Compute final load impedance for any series, parallel, or series-parallel voice coil configuration.

Wire Gauge & Fuse Calculator

Size power and ground wire AWG and inline fuse rating from total RMS power, voltage, and run length.

Amplifier Gain & AC Voltage

Find the target VRMS output for clean gain setting using a multimeter and a −20 dBFS test tone.

10-Step DSP Tuning Process

A structured one-seat tuning procedure covering polarity, time alignment, crossovers, EQ, and summation.

House Curves & RTA Target Generator

Export REW or DSP-ready target curves for five proven car audio profiles including the Harman target.

DSP Time Alignment & Delay

Calculate required ms delay, sample offset, and predicted ILD from measured listener distances.

Crossover Frequency & Slope

Derive Linkwitz-Riley 24 dB/oct HPF and LPF set-points from driver size, Fs, and safe operating band.

EQ Q-Factor Calculator

Compute center frequency, bandwidth, and Q-factor from any low/high frequency DSP filter boundary pair.