Dynamic Handheld Karaoke Microphone Cartridge 30mm

ECM-DM58K600 microphone capsule size and frequency response

Durable handheld dynamic microphone element for live vocal performances and public speaking.

Microphone element designed for public address systems, providing robust and clear vocal amplification.

High-quality dynamic microphone capsule for broadcast studios, delivering rich tone and directional sound control.

Optimized for rich, natural sound capture in professional audio interfaces, studio recording, broadcast, and KTV handheld microphones, this 30 × 49 mm unidirectional dynamic microphone capsule offers a wide 50Hz–15kHz frequency response and stable 600Ω impedance, ensuring precise and noise-resistant audio performance.

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Minimum order quantities (MOQs) apply.
For intercom & headset makers
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🧪 Sample

Free (std. models) + shipping

🧭 Trial Order

From 200 pcs (1st order only)

📦 MOQ

3,000 pcs (mixed models allowed)

Model: ECM-DM58K600
Dimensions: 30 × 41.4 mm
Weight: 40 g
Directivity: Unidirectional
Sensitivity: -54 dB ± 3
Impedance: 600 Ω ± 30%
Frequency Response: 50 Hz ~ 14 kHz

Tags: 30mm Dynamic Vocal Mics

Technical Specifications

The ECM-DM58K600 is a high-performance 30mm dynamic microphone capsule designed for handheld vocal microphones. With a broad frequency response of 50Hz–14kHz and a 600Ω impedance, it captures rich lows and clear mids, making it ideal for voice amplification in KTV, live stages, broadcast, and public speaking setups.

Its unidirectional design ensures focused sound pickup while minimizing ambient noise, delivering consistent clarity in noisy or high-SPL environments. The rugged build and stable acoustic performance make it a dependable choice for handheld, stage, broadcast, or karaoke applications.

This capsule integrates seamlessly into various dynamic microphone housings, offering manufacturers a reliable transducer solution for performance-driven audio gear.

Exploded View & Parts List

Dynamic Part

Parts List: Sponge, Cover, Diaphragm, Coil, Magnetic steel, Iron pots, Holder, PCB + Tin.

Frequency Response Curve

Response Curve

Frequency Response: 50Hz–14kHz, focusing on a broad sound range suitable for dynamic microphone applications.

Dimensions (UNIT: mm)

Appearance Size

Diameter: 30mm; Height: 41.4mm.

Reliability Tests

High Temperature Test: Microphone subjected to +60℃ ±3℃ for 96 hours with 20-50% humidity, followed by 6 hours of normal temperature lay.

Low Temperature Test: Microphone subjected to -25℃ ±3℃ for 96 hours with 20-50% humidity, followed by 6 hours of normal temperature lay.

Humidity Test: Microphone exposed to 40℃ and 90-95% relative humidity for 96 hours, followed by 6 hours of normal temperature lay.

Temperature Cycle Test: Microphone subjected to rapid temperature changes from normal temperature to +60℃ ±3℃ for 1 hour (normal temperature lay for 3 hours) and then to -25℃ ±3℃ for 1 hour (normal temperature lay for 3 hours).

Sensitivity Stability: Sensitivity remains within ±3dB of the initial sensitivity after each environmental test.

Sampling Process

Confirm customer requirements:

Review product application, microphone capsule specifications, usage scenarios, and sound quality needs.

Recommend and specify:

Provide recommended microphone capsule models and detailed specifications for customer evaluation.

Sample provision and testing:

Deliver microphone samples for customer testing and feedback purposes.

Optimize and finalize:

Refine microphone design based on feedback, finalize samples, and proceed to mass production upon quality approval.

Quality Assurance

Conducting sampling inspections of incoming materials to ensure compliance with standard requirements.

Performing inspection audits to ensure the stability and control of the entire manufacturing process.

Conducting pre-shipment inspections to ensure that products meet established quality standards.

Acoustic Laboratory

Testing of background noise, sensitivity, frequency response curve, and directionality indicators.

Verification of the impact of different circuits, structural dimensions, materials, and processes on indicators.

Reliability testing at both the new product design stage and the mass production regular stage.

Automatic Workshop

Utilizing fully automated production lines to ensure high efficiency and consistency.

Equipped with state-of-the-art facilities, including a 10,000-level dust-free workshop.

Employing a rigorous 21-step process to guarantee product stability.