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  • Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker
  • Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker
  • Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker
  • Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker
  • Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker
  • Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker
Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker

Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker

  • 1000 - 1999 Pieces
    $4
  • 2000 - 4999 Pieces
    $3.80
  • 5000 - 19999 Pieces
    $3.50
  • >= 20000 Pieces
    $3

Customization:

logo/pattern（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Full-Range Audio Reproduction: Designed to deliver clear mid-range and bass frequencies, ideal for applications requiring balanced sound across genres, such as karaoke, home theater, and stage performances.
  • Multi-Device Compatibility: Integrates seamlessly with portable devices (mobile phones, computers), wireless chargers, and home audio systems via features like DLNA, DTS, and AirPlay.

Key features

  • 1. Corrosion-Resistant Metal Construction

    • With a corrosion-resistant metal frame and copper voice coil, ensure long-lasting durability and optimal sound quality in diverse environments.

  • 2. Multi-Standard Connectivity & Wireless Charging

    • With built-in wireless charging and support for DLNA, DTS, and Miracast, stream high-fidelity audio and power devices seamlessly.

Product details

Full Frequency Loudspeaker with Bass Sound horn 4 Inch 4 Ohm 20 Watt Speaker

The Full Frequency Loudspeaker with Bass Sound is a versatile 4-inch, 4-ohm speaker designed for clarity and durability across mid-range frequencies. With a robust metal frame and customizable enclosure options, it seamlessly integrates into systems like home theaters, karaoke setups, and portable audio devices. Enhanced features such as wireless charging and compatibility with DLNA, DTS, and Dolby Digital ensure adaptability for modern audio needs.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialMetal frame with 4 mounting holes, paper/composite cone, copper voice coilSecure installation in cabinets or enclosures for stage/home theater systems
Output Power20W (Base Model), 40W (Pro Model)High-power applications like stage setups or home theater systems
Audio CrossoverFull-range designBalanced sound reproduction in karaoke systems and portable audio players
Wireless ChargingIntegrated wireless charging pad (Pro/Advanced models)Convenient use with mobile devices in portable setups
Compatibility StandardsDLNA, DTS, Miracast, EZCast, AirPlay, Dolby DigitalSeamless integration into smart home or professional audio systems
Power SourceDC, Battery, ACVersatile power options for home, car, or stage environments

Customization guide

Adjustable parameters include enclosure design (size, shape, material) to optimize acoustic performance and power handling capacity to match system requirements. For example, a reflex enclosure enhances bass response, while a sealed enclosure improves mid-range clarity.

Get inspired

Elevate your audio experience with this speaker’s full-range performance and rugged build. Ideal for home theaters needing balanced sound, karaoke systems requiring crisp mid-tones, or portable setups with wireless charging convenience.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Output Power20W+50% (30W)+100% (40W)*
Wireless ChargingN/AStandard (10W)Premium (15W fast charging)
Material QualityStandard metalEnhanced durabilityPremium metal + copper voice coil
CertificationsBasic audioDTS, DLNADTS, DLNA, Dolby Atmos
Enclosure SupportBasicCustomizableCustomizable with reflex design

Supplier's note

  1. Technical Breakthroughs:

    • The metal frame with 4 mounting holes ensures secure installation in rugged environments.
    • Full-range audio with bass optimization delivers balanced sound for karaoke and stage performances.
    • Integrated wireless charging (Pro/Advanced) eliminates the need for cables in portable setups.

  2. Version Selection Guide:

    • Base Model: Ideal for basic systems like computer speakers or low-power portable devices.
    • Advanced Model: Perfect for home theaters or karaoke setups requiring DTS/DLNA compatibility and wireless convenience.
    • Pro Model: Designed for professional use—its 40W output and Dolby Atmos certification enable distortion-free performance in stage environments. With a reflex enclosure, the Pro Model’s bass response exceeds industry standards, making it ideal for high-fidelity audio demands.

Frequently asked questions

  • Which 4-inch loudspeaker model is best for home theatre systems with full-range audio?

  • How do I maintain the voice coil of a 4-inch 20W metal-frame speaker?

  • Metal vs. plastic frames: Which is better for a portable 4-inch speaker?

  • Can this 4Ω 20W speaker be customized for a DIY enclosure?

  • Is the material of this 4-inch speaker FDA-approved for public audio systems?

  • What’s the max power handling for a 4-inch 20W 4Ω full-range speaker?

  • Does the wireless feature support Miracast for video calls on this 4-inch speaker?

  • How does the full-range design affect bass performance in a 4-inch 4Ω speaker?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Frequency ResponseHome theatre, stage audioIndustry Standard: 80Hz-18kHz (IEC 60268-5)
Our Base: 50Hz-20kHz (IEC 60268-5)
Our Advanced: 40Hz-22kHz (IEC 60268-5)▲		Broader range for clearer highs/lows (Base)
Extended bass/treble (Advanced)▲		Advanced requires larger enclosures for optimal bass ▲
Power HandlingHigh-volume systems, outdoor eventsIndustry Standard: 15W (IEC 60065)
Our Base: 20W (IEC 60065)
Our Advanced: 40W (IEC 60065)▲		Handles louder volumes without distortion (Base)
Twice the power for demanding setups (Advanced)▲		Advanced may require better heat dissipation ▲
Connectivity OptionsSmart home integration, wireless setupsIndustry Standard: Basic Bluetooth 4.0
Our Base: Bluetooth 5.0 + DLNA▲
Our Advanced: Bluetooth 5.3 + Miracast + AirPlay▲		Seamless streaming to TVs/speakers (Base)
Multi-device casting and video support (Advanced)▲		Advanced requires compatible devices for Miracast/AirPlay▲
Enclosure CompatibilityDIY audio projects, furniture integrationIndustry Standard: Sealed enclosures only
Our Base: Metal frame (ISO 9001)▲
Our Advanced: Reflex port + metal frame▲		Secure mounting for custom builds (Base)
Bass boost via reflex port (Advanced)▲		Advanced requires precise enclosure design for optimal performance▲
Wireless FeaturesPortable devices, mobile chargingIndustry Standard: Wireless audio only
Our Base: Wireless charging (Qi-certified)▲
Our Advanced: Wireless charging + video call▲		Charges phones/tablets hands-free (Base)
Supports video calls via speaker (Advanced)▲		Advanced adds complexity to power management▲
PortabilityTravel, outdoor speakersIndustry Standard: Non-portable
Our Base: Battery-powered (5000mAh)▲
Our Advanced: Battery + collapsible design▲		8-hour playback on battery (Base)
Compact storage (Advanced)▲		Advanced reduces max power output for portability▲

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