Speaker & Output Testing
Speaker frequency response test, subwoofer test tones, headphone frequency response test, surround sound channel test, bass extension test, stereo imaging test, speaker polarity checker, crossover frequency tester, and speaker distortion analyzer — for audiophiles, home theater enthusiasts, car audio, and anyone testing speakers or headphones.
Available Tools
Speaker Frequency Response Test
Test your speakers across the full 20 Hz – 20 kHz range with a swept sine wave, stepped tones, or pink noise. Listen for dropouts, resonances, and weak spots with a frequency-by-frequency guide explaining what you should hear at each point.
Launch tool →Subwoofer Test Tones
Generate precise low-frequency test tones at 20, 30, 40, 50, 60, 80, and 100 Hz to evaluate subwoofer performance. Low-frequency sweep to find your sub’s drop-off point, placement comparison mode, and safe volume warning for speaker protection.
Launch tool →Speaker Polarity Checker
Verify your speakers are wired in correct polarity using a test pulse signal. In-phase vs out-of-phase comparison demonstrating bass cancellation, visual diagram of correct wiring, and step-by-step instructions for fixing reversed polarity.
Launch tool →Headphone Frequency Response Test
Test your headphones across the full audible spectrum with swept and stepped tones. Identify bass, midrange, and treble character, check left vs right driver matching, and compare what you hear against a flat reference — works with any headphones or earbuds.
Launch tool →Stereo Imaging Test
Test stereo separation, phantom center imaging, soundstage width, and spatial positioning of your speakers or headphones. Panning verification signals, out-of-head localization test for headphones, and stereo width assessment with scoring.
Launch tool →Crossover Frequency Tester
Identify and verify crossover points between speaker drivers (woofer/midrange/tweeter) and subwoofers. Swept sine to pinpoint transition frequencies, visual crossover point identification, and suggested crossover settings for your system.
Launch tool →Speaker Distortion Analyzer
Detect speaker rattles, buzzes, and distortion at specific frequencies. Frequency sweep optimized for finding mechanical problems, increasing amplitude test to stress-test drivers, pinpoint rattle frequency, and damage severity rating.
Launch tool →Speaker Break-In Tone Generator
Generate break-in signals for new speakers using pink noise and graduated frequency sweeps. Multi-hour session timer with volume progression, session progress tracking, and objective explanation of speaker break-in theory and research.
Launch tool →Speaker Impedance Estimator
Estimate speaker impedance characteristics using test tones and microphone feedback analysis. Impedance curve display across frequency, nominal vs peak impedance identification, and amplifier matching guidance for safe operation.
Launch tool →Bass Extension Test
Find the lowest frequency your speakers or headphones can reproduce. Descending tone sweep from 200 Hz to 20 Hz — mark where you stop hearing or feeling bass, identify your system’s −3 dB rolloff point, and compare with manufacturer specifications.
Launch tool →Tweeter Test Tones
High-frequency test tones from 2 kHz to 20 kHz to verify tweeter operation and quality. Ascending sweep, individual frequency steps, left vs right tweeter matching, and age-related hearing rolloff reference chart to know what’s normal.
Launch tool →Channel Balance Tester
Test if left and right channels are equally balanced. Alternating L/R test tones, per-channel white noise, visual balance meter, and balance slider test to identify imbalances in your speakers, headphones, or amplifier settings.
Launch tool →Speaker Sensitivity Tester
Measure relative speaker sensitivity using calibrated test tones. Compare output levels between different speakers at the same input, calculate sensitivity differences in dB, and get amplifier power requirement guidance for matching speakers.
Launch tool →Surround Sound Channel Test
Test every channel in your surround sound system individually. Identification tones for front left/right, center, surround left/right, and LFE subwoofer. Supports 5.1 and 7.1 layouts with a visual channel map and sequential sweep mode.
Launch tool →