Understanding IP Ratings for Gear: IP67, IP68 Explained

Whether you're shopping for outdoor speakers, action cameras, or portable recording equipment, you've likely seen IP ratings like IP67 or IPX4. These mysterious numbers and letters actually contain crucial information about how well your gear can handle dust, water, and harsh environments. This guide will decode IP ratings and help you choose equipment that can handle your intended use.

What Are IP Ratings?

IP stands for "Ingress Protection" (sometimes called "International Protection"). It's an international standard (IEC 60529) that classifies the degree of protection provided by enclosures against intrusion from solid particles and liquids.

Every IP rating follows the same format: IP followed by two digits. The first digit indicates protection against solid particles (like dust), and the second digit indicates protection against liquids (mainly water).

Decoding the First Digit: Solid Particle Protection

The first digit ranges from 0 to 6, with higher numbers indicating better protection:

• 0: No protection against contact and ingress of objects
• 1: Protected against solid objects larger than 50mm (large body parts like hands)
• 2: Protected against solid objects larger than 12.5mm (fingers)
• 3: Protected against solid objects larger than 2.5mm (tools, thick wires)
• 4: Protected against solid objects larger than 1mm (most wires, screws)
• 5: Dust protected (limited ingress permitted, doesn't interfere with operation)
• 6: Dust tight (no ingress of dust; complete protection)

Decoding the Second Digit: Liquid Protection

The second digit ranges from 0 to 9, indicating increasing levels of water resistance:

• 0: No protection against water
• 1: Protected against vertically dripping water
• 2: Protected against dripping water when tilted up to 15°
• 3: Protected against spraying water up to 60° from vertical
• 4: Protected against splashing water from any direction
• 5: Protected against water jets from any direction
• 6: Protected against powerful water jets and heavy seas
• 7: Protected against immersion in water up to 1 meter for 30 minutes
• 8: Protected against continuous immersion in water beyond 1 meter
• 9: Protected against high-pressure, high-temperature water jets

Common IP Ratings Explained

IP44 - Splash Resistant

Protected against objects larger than 1mm and splashing water. Good for outdoor use in light rain but not submersible. Common on outdoor speakers and some portable equipment.

IP54 - Weather Resistant

Dust protected and splash resistant. Suitable for most outdoor activities and weather conditions, but shouldn't be submerged.

IP65 - Dustproof and Jet Resistant

Completely dust tight and protected against water jets. Excellent for harsh outdoor environments, construction sites, and marine use (but still not submersible).

IP67 - Dust-tight and tested against temporary immersion (up to 1 m depth, 30 min, in laboratory conditions)

Dust tight and can withstand temporary immersion in water up to 1 meter deep for 30 minutes. Popular rating for rugged phones, action cameras, and outdoor electronics.

IP68 - Highest Standard Protection

Dust tight and suitable for continuous immersion in water beyond 1 meter. The exact depth and duration are specified by the manufacturer, as the standard doesn't define specific limits for IP68.

IPX Ratings

Sometimes you'll see ratings like IPX4 or IPX7. The "X" means the product wasn't tested for solid particle protection, only water resistance. This is common for audio equipment where dust protection isn't the primary concern.

Real-World Applications

Outdoor Events and Festivals

For speakers and equipment used at outdoor events, look for at least IP44 rating to handle unexpected rain and dust. IP54 or higher provides better protection for regular outdoor use.

Marine and Pool Environments

Around pools, boats, or beaches, IP67 or IP68 ratings ensure your equipment can handle splashes, humidity, and occasional submersion. Remember that saltwater is particularly corrosive.

Construction and Industrial Sites

Dusty, dirty environments require high solid particle protection. IP65 or IP66 ratings ensure equipment continues working despite dust and debris.

Action Sports and Adventure

For activities like hiking, cycling, or water sports, IP67 provides excellent protection against the elements while maintaining functionality.

Important Limitations and Considerations

Temperature Matters

IP ratings are typically tested at room temperature. Hot or cold conditions can affect sealing materials and change the effective protection level.

Pressure and Depth

IP67 testing uses shallow immersion (up to 1 meter). If you need deeper water protection, look for specific diving ratings or IP68 with depth specifications.

Chemical Resistance

IP ratings don't cover chemical resistance. Saltwater, chlorine, and other chemicals can still damage equipment despite high IP ratings.

Wear and Maintenance

Seals and gaskets degrade over time. Regular maintenance and inspection are essential to maintain the stated IP protection level.

Testing and Certification

Legitimate IP ratings come from accredited testing laboratories. The testing involves specific procedures:

• Dust testing: Equipment is placed in a chamber with circulating dust for specified periods
• Water testing: Various tests from drip tables to pressure jets to immersion tanks
• Documentation: Detailed test reports specify exact conditions and results

Be wary of products claiming IP ratings without proper certification documentation.

Maintenance for IP-Rated Equipment

To maintain your equipment's IP rating:

• Regularly inspect seals and gaskets for damage
• Clean salt deposits and debris from sealing surfaces
• Replace seals according to manufacturer recommendations
• Ensure all covers and ports are properly closed before exposure
• Don't exceed the rated conditions (depth, pressure, temperature)

Cost vs. Protection Trade-offs

Higher IP ratings generally mean higher costs due to:

• More expensive sealing materials
• Additional engineering and testing
• Thicker, more robust enclosures
• Specialized manufacturing processes

Consider your actual needs versus the premium you'll pay for higher protection levels.

Beyond IP Ratings

Some manufacturers use additional standards:

• MIL-STD ratings: Military standards for ruggedness
• NEMA ratings: National Electrical Manufacturers Association standards
• IK ratings: Impact protection standards

These complement IP ratings for specific applications.

Making the Right Choice

When choosing IP-rated equipment:

1. Assess your environment honestly
2. Don't over-specify (and overpay) for protection you don't need
3. Consider the equipment's entire lifecycle
4. Factor in maintenance requirements
5. Verify certifications from reputable sources

Conclusion

Understanding IP ratings empowers you to make informed decisions about equipment durability and suitability for your environment. Whether you need basic splash protection or full submersion capability, IP ratings provide a standardized way to compare options.

Remember that IP ratings are just one factor in equipment selection. Consider build quality, performance specifications, and manufacturer reputation alongside environmental protection when making your choice.

Sources & Citations

This article aggregates findings from independent publications with established testing methodologies, manufacturer specifications, and verified user-community sentiment. Primary sources we draw on for this category:

1. Wirecutter - www.nytimes.com/wirecutter
2. CNET - www.cnet.com
3. PCMag - www.pcmag.com
4. The Verge - www.theverge.com
5. Tom's Guide - www.tomsguide.com

For specific findings linked inline above, see each citation. See our full Editorial Methodology for how we select and verify sources.

Last verified: 2026-04-20