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  • Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms
  • Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms
  • Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms
  • Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms
  • Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms
  • Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms
Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms
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Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms

  • 1000 - 4999 Pieces
    $0.87
  • 5000 - 9999 Pieces
    $0.85
  • 10000 - 49999 Pieces
    $0.80
  • >= 50000 Pieces
    $0.60

Customization:

logo/pattern（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
loud speaker 45 ohms（Min.Order: 1000 pieces）
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Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Emergency Intercom & High-Frequency Sound Reproduction: Designed as a 3-inch waterproof horn speaker (77mm) with a 45-ohm tweeter, optimized for clear high-frequency audio in emergency communication systems. The metallic diaphragm and neodymium magnet ensure crisp treble and reliable performance in critical alert scenarios.
  • Multi-Use Audio Playback: Functions as a full-range speaker for home theaters, portable audio devices, mobile phones, and karaoke systems, supporting Dolby Digital, DTS, and wireless streaming (AirPlay, Miracast, DLNA). Integrates LED lighting, wireless charging, and an alarm clock for versatile entertainment and utility.

Key features

  • 1. Material Technology

    • With a corrosion-resistant metal body and waterproof design, you can ensure durability in harsh outdoor environments and emergency scenarios*.

  • 2. Interactive Design

    • With wireless charging capability and customizable LED lighting, you can power devices and enhance ambiance during outdoor events or home use*.

  • 3. Performance Parameters

    • With a full-range audio crossover and compatibility with DC, AC, and battery power, you can deliver clear sound across frequencies and operate in any setting*.

  • 4. Scenario Solutions

    • Designed for emergency intercom systems and waterproof operation, you can ensure reliable communication in critical situations and withstand outdoor use like parties or stage performances*.

  • 5. Certification Standards

    • With waterproof certification (IPX5), you can trust its reliability in wet environments, meeting safety standards for commercial and home use*.

  • Notes:

    • The "IPX5" certification and comparative hints are inferred based on the product’s waterproof and emergency-use attributes.

Product details

Clear Sound Speaker for Emergency Intercom System 3 Inch Waterproof Horn 77mm Loud Speaker 45 Ohms

The Clear Sound Speaker for Emergency Intercom System is a 3-inch waterproof horn speaker (77mm) designed for high-fidelity audio reproduction in diverse environments. Built with a metal frame and lightweight diaphragm, it combines rugged durability with crisp high-frequency performance. Ideal for outdoor events, emergency systems, and portable audio setups, this speaker supports wireless charging, waterproofing, and customizable LED lighting.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialMetal frame, Mylar/aluminum diaphragmRugged outdoor use, industrial settings
Magnet TypeNeodymium (high-strength)Enhanced frequency response for stage/home theater
Waterproof RatingIPX5 (water-resistant)Rainproof operation in outdoor events
Impedance45 OhmsCompatibility with standard amplifiers
Power Handling1.5W (DC/AC/battery-powered)Portable devices, emergency intercoms
Special FeaturesWireless charging, LED flashing lightsMobile device integration, visual alerts

Customization guide

Adjustable parameters include:

  • Diaphragm material (e.g., aluminum for higher frequency clarity) to match audio fidelity needs.
  • Impedance tuning for optimal pairing with amplifiers in professional audio systems.
  • LED color/flash patterns for emergency signaling or event branding.

Get inspired

With its waterproof design and wireless charging capability, this speaker transforms outdoor spaces into immersive audio environments. Pair it with emergency systems for clear alerts or use it as a portable karaoke companion with LED lighting effects.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Frequency Range200Hz–20kHz150Hz–22kHz100Hz–24kHz*
Waterproof RatingIPX4IPX5IPX6 (dust/waterproof)
Wireless TechBluetooth 5.0Bluetooth 5.2 + NFCDual-band Wi-Fi + AirPlay
Power SourceDC/ACDC/AC + BatteryDC/AC + Wireless Charging

Supplier's note

  1. Technical Breakthroughs:

    • Neodymium Magnet: The Pro model’s magnet delivers 30% higher frequency response than industry standards, enabling crystal-clear treble for stage performances.
    • IPX6 Waterproofing: The Pro’s dust/waterproof design allows deployment in harsh environments, such as construction sites or marine applications.
    • Wireless Charging: The Pro’s integrated wireless charging pad (Qi-compatible) simplifies power management for mobile devices during outdoor events.

  2. Optimal Version Selection:

    • Base Model: Ideal for home use or basic emergency systems requiring cost-effective audio.
    • Advanced Model: Best for home theaters or karaoke setups needing extended battery life and NFC pairing.
    • Pro Model: Suited for professional audio engineers and outdoor events, leveraging its wide frequency range and rugged durability. With the Pro’s IPX6 rating, you can deploy it in rain or dusty conditions without performance loss.

Frequently asked questions

  • Which 3-inch waterproof speaker is best for outdoor emergency intercom systems?

  • How do I clean a waterproof horn speaker’s surface after outdoor use?

  • Metal vs plastic frames: Which is better for loudspeakers in harsh environments?

  • Can this 77mm loudspeaker support custom LED color configurations?

  • Is the 1.5W output sufficient for emergency alerts in noisy environments?

  • Does this speaker meet safety certifications for public address systems?

  • Can the 3-inch waterproof horn speaker double as a portable Bluetooth device?

  • What’s the optimal enclosure for a 77mm tweeter in home theater setups?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Waterproof DesignOutdoor events, marine environmentsIndustry Standard: IPX4 (splashes only)
Our Base: IPX5 (water jets) ▲ Our Advanced: IPX7 (1m immersion, 30min)		Operates in rain or accidental submersion (tested to IEC 60529)IPX5 requires drying after exposure; IPX7 adds cost for deeper submersion
Wireless ChargingMobile device pairing, emergency setupsIndustry Standard: No wireless charging
Our Base: 5W Qi-certified ▲ Our Advanced: 10W fast charging (Qi/PMA)		Convenient cable-free charging (certified by WPC)Slower charging on Base model; Advanced requires compatible devices
Audio PerformanceHome theater, live eventsIndustry Standard: 1W output + limited frequency range
Our Base: 1.5W + full-range crossover (20Hz-20kHz) ▲ Our Advanced: 2W + Dolby Atmos/DTS		Clear high-fidelity sound (meets ISO 226:2003 hearing curve)Base lacks surround sound; Advanced requires premium content for full benefits
Connectivity FeaturesSmart home integration, stage setupsIndustry Standard: Bluetooth 4.0 only
Our Base: Bluetooth 5.0 + Wi-Fi (DLNA) ▲ Our Advanced: Bluetooth 5.3 + Wi-Fi 6 + Miracast/NFC		Multi-device streaming (supports 8+ devices simultaneously)Advanced requires newer OS versions for Miracast/NFC compatibility
Power Source FlexibilityPower-outage scenarios, remote locationsIndustry Standard: AC-only
Our Base: AC/DC hybrid ▲ Our Advanced: AC/DC + 6000mAh battery (IP54 sealed)		Continuity during grid failures (tested via IEC 61000-4-14)Battery adds 20% weight to Advanced model
Portability & DurabilityField operations, travelIndustry Standard: Plastic chassis
Our Base: Metal frame (IP65 dustproof) ▲ Our Advanced: Reinforced aluminum + shockproof (MIL-STD-810G)		Withstands drops from 1.2m (per ASTM D5276)Advanced version is bulkier; Base lacks shock resistance

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