EQ TOOL

The EQ Tool is a compact, precision training device that measures the air pressure inside your oral/nasal cavity—helping you understand exactly what’s happening during equalisation.

Made from durable plastic and ergonomically shaped, it’s easy to hold, intuitive to use, and designed for freedivers who want serious EQ training without bulky equipment or messy setups. No more soaking your living room table—just smart, dry training with real-time feedback.

Connect the tool to the app to visually track pressure changes, or use the built-in LED screen for instant data right on the device.

Whether you're a freediving instructor helping students overcome equalisation challenges, or an advanced diver refining mouthfill and deep EQ technique, the EQ Tool gives you a clearer picture of what’s going on inside.

Price: SGD165

Reach out to order

WHAT is it?

The EQ Tool is a pressure sensor that measures the air pressure inside your oral/ nasal cavity while doing Frenzel and Mouthfill. It gives real-time feedback so you can:

See if you’re using too much or too little pressure
Improve control over your equalization techniques
Catch bad habits before they get locked in

✅ Ideal for new and experienced freedivers
✅ Works with Frenzel and Mouthfill techniques
✅ No guesswork. Just numbers.

Perfect for:

🔹 Beginners learning Frenzel or struggling with EQ
🔹 Instructors teaching step-by-step EQ techniques
🔹 Experienced freedivers training mouthfill and pressure control at home

Key Features:

Real-time air pressure measurement
Built-in LED screen + App connectivity
Ergonomic design – comfortable to hold and easy to use
Compact and travel-friendly – no bulky gear
Train dry – no water, no mess

Included With Purchase

EQ Tool device
Soft carry pouch

How It Works

You need CR2032 battery

Download the App

Connect the device to your phone via bluetooth (location for android needs to be kept on)
Place the vent at your nostril
Tap the “Test” and Play button
Perform your EQ technique
Watch the pressure changes on the screen
Refine your technique based on real feedback

It’s like having a coach show you exactly what’s going on inside your head—literally.