eighty32 Toolbox
AV, RF & broadcast tools
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
The complete field toolkit for AV, RF & broadcast techs — RF coordination, audio meters, calculators, and the biggest verified gear directories. Free, with optional Pro.
eighty32 Toolbox is the field reference and measurement suite built for AV, RF, and live-production technicians — everything you reach for on a show day, in one fast, offline app.
CALCULATORS
- Delay time (distance to ms), speaker & sub alignment
- dB math: SPL over distance, level summing, V/W, plus a full dB scale converter (dBu/dBV/dBFS, dBA/dBC)
- Ohm's law & speaker loads, power/current draw and breaker sizing
- Timecode & frame-rate math, frequency to wavelength
- OSHA/NIOSH noise-dose exposure timer
RF & WIRELESS
- Intermod & spacing analysis
- RF coordination engine: generate clean, intermod-safe frequency sets
- DTV channel lookup by ZIP to avoid local TV channels
- Manufacturer to model to band selection (Shure, Sennheiser, Lectrosonics, Sony, Audio-Technica, Wisycom)
- Coax / antenna cable dB-loss calculator
- SMPTE LTC timecode generator & reader
AUDIO METERS & TOOLS (best with a 2-channel interface)
- RTA + dual-FFT transfer function with coherence
- Loudness meter (EBU R128 / LUFS)
- SPL meter, phase/polarity & phase-correlation meters
- Delay finder (reference vs. mic)
- Signal generator (sine/pink/white/sweep)
- Input-level tester and 4-wire com test
- QLab-style playback / cue tab with fades, loop & ducking
REFERENCE LIBRARY
- Speaker directory: L-Acoustics, d&b, Meyer, JBL, Adamson, Nexo, Martin and more, with verified specs
- Microphone directory: Shure, Sennheiser, DPA, Neumann, AKG and others
- SFP transceiver reference with wavelength color codes
- Connector pinouts (XLR, speakON, DMX, DB25 and more)
- Color codes: resistor, fiber (TIA-598), AC mains wiring
eighty32 Toolbox is free to use. A one-time Pro unlock adds the advanced RF coordination, audio meters, and full directories. No subscription, yours forever.
Built by working techs, for working techs.
Ratings & Reviews
The developer, Chris DeBrizzio, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Chris DeBrizzio
- Size
- 1.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Toolbox Pro $9.99
- Copyright
- © 2026 eighty32