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  • Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker
  • Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker
  • Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker
  • Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker
  • Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker
  • Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker
Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker
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Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker

  • 2 - 4999 Pieces
    $15
  • >= 5000 Pieces
    $12

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
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Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Fidelity Audio Reproduction: Equipped with a 4-inch ribbon tweeter and aluminum belt treble diaphragm, delivering clear, crisp highs and wide frequency response for superior sound quality.
  • DIY Flexibility: Designed for easy integration into custom audio projects, featuring a lightweight ABS/plastic frame and compatibility with 8Ω impedance systems.

Key features

  • 1. Material Technology

    • With an aluminum belt treble diaphragm and corrosion-resistant coating, you can achieve superior sound clarity and durability in humid or demanding environments*.

  • 2. Interactive Design

    • With customizable mounting options (e.g., multiple holes for varied speaker systems), you can easily integrate the tweeter into DIY projects or existing setups*.

  • 3. Performance Parameters

    • With a 30W power handling capacity, you can deliver crisp, distortion-free high-frequency output even at higher volumes, outperforming standard 15W tweeters*.

  • 4. Scenario Solutions

    • With its portable design and BMW i3 compatibility, you can enhance audio quality in home entertainment systems or automotive environments seamlessly*.

  • 5. Aesthetic Appeal & Protection

    • With a sleek, black metal grille and rounded edges, you can elevate the visual appeal of your speaker while safeguarding the tweeter from dust and physical damage*.

Product details

Portable 4 Inch Ribbon Tweeter with Aluminum Belt Treble Diaphragm DIY 8OHM 15W 30W LoudSpeaker Soundboox Plastic Loudspeaker

The Portable 4" Ribbon Tweeter with Aluminum Belt Treble Diaphragm combines precision engineering and sleek design for high-fidelity audio performance. Crafted from durable aluminum, ABS, and plastic, this DIY-friendly loudspeaker grille is compatible with BMW i3 series models and offers customizable mounting options. Its 8Ω impedance and 15W-30W power handling ensure clarity across a wide range of audio systems.

Technical specifications

FeatureSpecificationBenefit
MaterialAluminum (diaphragm), ABS, PlasticLightweight yet robust, corrosion-resistant design
Size4" diameterCompact for space-saving installations
Power Handling15W nominal / 30W peakSupports high-volume applications without distortion
Impedance8ΩEnsures compatibility with most amplifiers
DesignSleek, rounded edges, central sound slotAesthetic appeal with optimal sound dispersion
CertificationMeets EMI/ESD safety standardsReliable performance in sensitive environments

Customization guide

Adjustable parameters for special needs:

  • Slot Size: Customize central sound slot dimensions to fit tweeter sizes (e.g., 3.5"–4.5").
  • Mounting Holes: Rearranged hole positions for seamless integration into non-standard speaker enclosures.
  • Material Thickness: Thinner aluminum belts for lightweight builds or thicker variants for industrial durability.

Get inspired

Pair the sleek, black grille with modern speaker systems to enhance both sound quality and visual appeal. Its lightweight aluminum diaphragm ensures crisp highs, while the corrosion-resistant coating protects against environmental wear. Ideal for DIY audio projects, home theaters, or automotive sound systems.

Choose your model

ParameterBase Model (i3)Advanced Model (i3 i01)Pro Model (i3 94Ah)
Power Output15W nominal20W nominal (+33%)30W peak (+100%)
Diaphragm MaterialAluminum alloyPure aluminum (+20% rigidity)Anodized aluminum (+40% durability)*
CustomizationStandard slotsSlot depth adjustmentFull slot/mounting redesign
Weight250g220g (-12%)200g (-20%)

*Anodized coating triples corrosion resistance vs. uncoated metals.

Supplier's note

  1. Technical Breakthroughs:

    • Aluminum Belt Diaphragm: Reduces mass by 25% compared to traditional materials, enabling faster sound response.
    • Corrosion-Resistant Coating: Maintains structural integrity in humid environments, outperforming industry-standard plastics.
    • Modular Mounting System: Allows 50% faster installation than fixed designs, reducing assembly time for integrators.

  2. Version Selection Guide:

    • Base Model (i3): Best for DIY hobbyists prioritizing budget-friendly performance. Its 15W capacity suits home stereos and small enclosures.
    • Advanced Model (i3 i01): Ideal for professional installers needing higher power handling (20W) and adjustable slot depths for precise sound tuning.
    • Pro Model (i3 94Ah): Targets high-end audio systems requiring peak 30W output and extreme durability. Its anodized aluminum diaphragm ensures distortion-free performance in commercial venues.

With the Pro Model’s 30W peak power, you can deliver crystal-clear highs in live sound setups. Pair its lightweight design with portable PA systems to reduce overall speaker weight while maintaining audio fidelity.

Frequently asked questions

  • Which portable speaker tweeter is best for BMW i3 car audio systems?

  • How do I maintain the aluminum diaphragm in DIY speaker builds?

  • What materials make this tweeter suitable for high-fidelity audio?

  • Can I customize this tweeter for a 30W home speaker project?

  • Is this tweeter weather-resistant for outdoor speakers?

  • Why choose this tweeter over cotton-based alternatives?

  • Does the BMW i3 tweeter meet automotive safety standards?

  • How does the 4-inch size affect sound quality in compact speakers?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Tweeter TypeHigh-Fidelity Home AudioRibbon (15W Base ▲, 30W Advanced ▲▲) vs Dynamic (Industry 10W)Flatter frequency response (3kHz–24kHz ▲▲), reduced distortionRequires specialized amplifiers (≥50W RMS), higher cost compared to dynamic tweeters
Diaphragm MaterialProfessional Sound ReinforcementAluminum Belt (0.1mm Base ▲, 0.08mm Advanced ▲▲) vs Mylar (Industry 0.2mm)Lightweight (30% lighter than steel ▲), minimal breakup at high frequenciesProne to physical damage without proper handling, costly manufacturing process
Power HandlingLive Performances15W (Base) vs 30W (Advanced ▲▲) vs Industry Standard 10WHandles peak loads (30W ▲▲) for louder environmentsAdvanced version requires higher-quality amplifiers to prevent clipping
Frequency ResponseStudio Monitoring3kHz–22kHz (Base ▲) vs 2kHz–24kHz (Advanced ▲▲) vs Industry 2kHz–20kHzExtended high-frequency range (up to 24kHz ▲▲) for detailed audio reproductionNarrower low-end coverage may require complementary woofers for full-range use
SensitivityHome Theater Systems88dB (Base ▲) vs 92dB (Advanced ▲▲) vs Industry 85dBHigher output (92dB ▲▲) with minimal power input (1W @ 1m)Sensitivity gains may introduce phase inconsistencies in multi-tweeter setups
ImpedanceCar Audio Systems8Ω (Base) vs 4Ω (Advanced ▲) vs Industry 8ΩLower impedance (4Ω ▲) improves power transfer from car amplifiersRequires amplifiers rated for 4Ω loads; incompatible with standard 8Ω systems

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