The app allows users to measure and adjust speaker toe-in angles using an iPhone, iPad, or iPod Touch. On-screen icons and color-coded numbers guide users to match speaker angles for improved audio system performance.
by Howard Massey★ 3.311 ratingsUtilities$0.99Data updated 2026-10-02
Test performance by playing calibration tones. Identify muffled sounds through frequency testing. Adjust volume and orientation for accurate results. Choose models for targeted testing. Subscribe for advanced features.
Measure angles using camera view with touch or plumb bob methods. Set angles on screen or through camera. Switch between measurement modes. Access advanced polygon measurement in premium version. Calibrate plumb bob for accurate slope readings.
Nd play waves with customizable settings from 1Hz to 22000Hz. Choose between sine, square, sawtooth, or triangle waveforms. Adjust volume and playback duration. Save and share generated files.
Use advanced frequency cleaning to generate sound waves between 0 Hz and 20 kHz, breaking down particles in speakers. Activate automatic cleaning mode to run a preset session. Monitor progress and manually control cleaning intensity.
Measure angles of elevation, slope, and incline using device motion. Determine roll angles for vehicles and aircraft. Calculate roof pitch and antenna look angles. Align pictures and measure tape or chain slopes.
Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.
Audio devices with volume adjustment and source switching. Create and edit speaker sound profiles. Set auto-standby time and customize volume steps. Limit maximum volume. Manage speaker onboarding and settings remotely.
Control music playback by grouping and ungrouping speakers, managing stations and presets, and adjusting volume. Play music wirelessly over without connecting the phone to the speakers.
Adjust audio frequencies with a 10-band covering 60Hz to 16kHz. Apply real-time adjustments for bass, mids, and treble. Visualize audio with dynamic graphics. Import and play local files or stream audio directly.
Configure Harman Kardon speakers and portable devices. Connect to for voice control. Adjust speaker settings and pair with compatible devices. Sync with to enable voice commands.