15mm Dynamic Microphone Replacement Cartridge for Loudspeakers

Dynamic Microphone Replacement Cartridge for Loudspeakers 15mm

The ECM-DM1508K250 is a 15 x 8 mm dynamic mic capsule pickup with -61dB±3 sensitivity, perfect for KTV microphones, headset microphones for meetings, and communication transducers.

📦 MOQ

3,000 pcs

🧪 Sample Order

1 pcs

🧭 Trial Order

from 500 pcs

Model: ECM-DM1508K250
Dimensions: 15 × 15 × 8 mm
Directivity: Unidirectional
Sensitivity: -61dB±3
Impedance: 250Ω±15%
Frequency Response: 100Hz~9000Hz

Tags: 15mm Dynamic Equipment Mics

Performance Overview

Our 1508 dynamic microphone heads deliver rich, full sound with high-fidelity reproduction and minimal distortion, ensuring exceptional audio quality.

Dynamic Part

Response Curve

Appearance Size

Packaging Overview

Packed in protective foam trays with individual compartments.
Each compartment holds around 4 microphone capsules.
Each capsule is sealed in a protective bag for dust and moisture resistance.
Each box typically contains approximately 2,000 microphone units.

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

1

Confirm customer requirements:

Review product application, microphone capsule specifications, usage scenarios, and sound quality needs.
2

Recommend and specify:

Provide recommended microphone capsule models and detailed specifications for customer evaluation.
3

Sample provision and testing:

Deliver microphone samples for customer testing and feedback purposes.
4

Optimize and finalize:

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

Our Certificates

ECMIC Microphone Manufacturer Certificates

Our production meets ISO 9001:2015 and ISO 14001:2015 standards and is tailored for automotive applications under the IATF 16949:2016 standard, ensuring comprehensive quality management. Additionally, our products comply with ROHS, CE, and FCC requirements.