Microphones

Image Part Number Description / PDF Quantity Rfq
FB-BW-30335-000

FB-BW-30335-000

Knowles

MIC BOOM ANALOG NC -59DB 8MM D

45

TO38-31020-B21

TO38-31020-B21

Knowles

MICROPHONE COND ANALOG OMNI

0

EA-21842-G17

EA-21842-G17

Knowles

MICROPHONE COND ANALOG OMNI

0

SPM0687LR5H-1

SPM0687LR5H-1

Knowles

WINFREY MIC HI SNR/AOP BOT PORT

3729

EK-26597-C36

EK-26597-C36

Knowles

MICROPHONE COND ANALOG OMNI

0

FG-23742-D65

FG-23742-D65

Knowles

MICROPHONE COND ANALOG OMNI

0

SPH0644LM4H-1

SPH0644LM4H-1

Knowles

CORNELL MIC MULTIMODE DGT BOT PT

18251

TO-24611-000

TO-24611-000

Knowles

MICROPHONE COND ANALOG OMNI

98

SPH0644HM4H-1

SPH0644HM4H-1

Knowles

MICROPHONE MEMS DIGITAL PDM OMNI

0

SPM1423HM4H-B

SPM1423HM4H-B

Knowles

MICROPHONE MEMS DIGITAL PDM OMNI

240

TO38-31018-B20

TO38-31018-B20

Knowles

MICROPHONE COND ANALOG OMNI

0

EM-23800-C36

EM-23800-C36

Knowles

MICROPHONE COND ANALOG OMNI

0

SPV08A0LR5H-1

SPV08A0LR5H-1

Knowles

TOCHI MIC ANALOG BOTTOM PORT

4299

FG-23329-D65

FG-23329-D65

Knowles

MICROPHONE COND ANALOG OMNI

1902

TM-27830-C36

TM-27830-C36

Knowles

MIC ELECT OMNI -39.5DB SENS

0

TP-24605-000

TP-24605-000

Knowles

MICROPHONE COND ANALOG UNI -59DB

0

TO-30994-000

TO-30994-000

Knowles

MICROPHONE ANALOG OMNI

0

MQM-32325-000

MQM-32325-000

Knowles

MIC MEMS ANALOG OMNI -58.5DB

0

EM-24368-P104

EM-24368-P104

Knowles

MICROPHONE COND ANALOG OMNI

0

TO-31021-B21

TO-31021-B21

Knowles

MICROPHONE OMNI

0

Microphones

1. Overview

Microphones are electroacoustic transducers that convert sound waves into electrical signals. As critical components in audio systems, they play essential roles in communication, entertainment, and professional audio production. Modern microphones leverage advanced materials and signal processing technologies to achieve high fidelity, noise reduction, and directional control.

2. Main Types and Functional Classification

Type Functional Features Application Examples
Dynamic Microphones Robust design, high durability, passive operation Live performances, vocal recording
Condenser Microphones High sensitivity, wide frequency response, requires phantom power Studio recording, broadcasting
Ribbon Microphones Velvety frequency response, figure-8 polar pattern Instrument recording, vintage audio production
USB Microphones Digital output, plug-and-play convenience Podcasting, home studios
Electret Microphones Compact size, low power consumption Mobile devices, hearing aids

3. Structure and Components

Typical microphone construction includes: - Diaphragm assembly (vibrating element) - Transducer mechanism (coil/magnet system or capacitor plates) - Pre-amplifier circuitry - Housing with acoustic ports - Connector interface (XLR, USB, etc.) Professional models often feature shock-mounted capsules and multi-layer grilles for mechanical noise isolation.

4. Key Technical Specifications

Parameter Description Typical Range
Frequency Response Audio spectrum reproduction capability 20Hz-20kHz (human hearing range)
Sensitivity Signal output level per sound pressure 10-50 mV/Pa
Directionality Polar pattern characteristics Omnidirectional, Cardioid, Figure-8
Impedance Electrical resistance rating 48-200 (low impedance)
Signal-to-Noise Ratio Desired signal vs. background noise 60-80 dB

5. Application Fields

Primary industries include: - Music production (studio recording, live sound reinforcement) - Broadcast media (television, radio, podcasting) - Conference systems (video conferencing, court reporting) - Consumer electronics (smartphones, VR headsets) - Industrial monitoring (ultrasonic testing, noise mapping) Typical equipment: Digital audio workstations, wireless lavalier systems, measurement microphones.

6. Leading Manufacturers and Products

Manufacturer Product Series Key Features
Shure SM58/Beta58 Industry-standard vocal microphones
Neumann U87i Studio condenser reference model
AKG C414 XLII Multipattern studio microphone
Sennheiser MKH 416 Shotgun mic for film production
Rode NT1-A Studio package with USB interface

7. Selection Recommendations

Key considerations: - Application environment (studio vs. field recording) - Frequency response matching with sound source - Polar pattern suitability - Connection type (analog XLR vs. digital USB) - Budget allocation (studio-grade vs. consumer models) For speech applications, select cardioid patterns with 80-120Hz bass roll-off. For instrument recording, prioritize flat frequency response above 15kHz.

8. Industry Trends

Current developments include: - AI-powered noise cancellation algorithms - MEMS (Micro-Electro-Mechanical Systems) microphones - Wireless digital transmission systems (2.4GHz bands) - Polarization-free nanomaterial diaphragms - Integration with IoT devices and smart assistants The global market is projected to grow at 5.8% CAGR through 2030, driven by VR/AR and remote communication demands.

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