
SoundEngg: RTA & Audio Utility
Live Sound Calculators & RTA
0 ratings
Free
In-App PurchasesWith Ads
About
SoundEngg is the ultimate, offline-ready field companion designed specifically for live sound mixing engineers, system technicians, monitor mixers, and AV crews.
RTA Spectrum Analyser, aligning delay lines, or wiring up a rack in the middle of a festival stage with zero cellular coverage? SoundEngg runs 100% offline, keeping essential calculations and references right in your pocket.
--- PROFESSIONAL FIELD TOOLS ---
- SPECTRUM ANALYZER (RTA):
Perform precise ISO-band analysis, peak tracking, and monitor frequency feedback in real-time. Calibrated for fast diagnostic checks on site.
- ACOUSTIC TIME & DELAY CALCULATOR:
Compute phase alignment offsets compensated for local temperature. Toggle between metric (meters/Celsius) and imperial (feet/Fahrenheit) instantly.
- CARDIOID SUBWOOFER ARRAY CALCULATOR:
Design cardioid spacing, end-fire arrays, and broadside configurations in seconds. View physical wavelengths and delay settings instantly.
- CONNECTOR PINOUT REFERENCES:
High-fidelity wiring guides for XLR, SpeakON (2-pole & 4-pole), TRS, RJ45, PowerCON, and DMX. No more searching manuals in the dark.
- SPEAKER IMPEDANCE & LOAD CALCULATOR:
Calculate speaker impedances (series and parallel loads) to ensure your amplifiers match and stay out of protect mode.
- SIGNAL GENERATOR:
Inject clean sine waves, white noise, pink noise, and custom frequency sweeps directly to your system for line-checks and room diagnostics.
- TAP TEMPO SUBDIVISIONS:
Find exact milliseconds and BPM subdivisions for delay units and effects parameters on the fly.
- EAR TRAINING FREQUENCY GAME:
Sharpen your ears on the road. Practice identifying frequencies, bands, and dB cuts to improve your live mixing adjustments.
--- WHY SYSTEM TECHS TRUST SOUNDENGG ---
- 100% OFFLINE CAPABLE: Zero network dependency. Works inside concrete bunkers, outdoor festival fields, and underground venues.
- BRUSHED METAL VFD DESIGN: High-contrast layout tailored for visibility in dark arenas and bright festival sunlight.
- NO INVASIVE PERMISSIONS: Respects your privacy. Microphone access is used purely for local real-time audio analysis.
- SYSTEM TECH COMPANION: Crafted by working system engineers who understand exactly what tools are needed during soundcheck.
Keep your settings calibrated. Download SoundEngg today!
Show more
+1
What's New in SoundEngg
1.1.17
August 25, 2026
• Optimized 60fps RTA spectrum analyzer engine for lower latency. • Enhanced console experience for iPad and Apple Silicon Mac (M1/M2/M3/M4). • Improved acoustic delay & subwoofer spacing calculator precision. • General performance optimizations and stability improvements.
MoreSubscription plans
SoundEngg Pro Monthly
Unlocks all professional audio calculators and no ads.
$1.991 Month
1
In-App Purchases
$34.99
SoundEngg Pro Lifetime






