Microphones

Image	Part Number	Description / PDF	Quantity	Rfq
	POM-2740L-C33-R PUI Audio, Inc.	MIC COND ANALOG OMNI -40DB 6MM D	0
	POM-2742P-C10-R PUI Audio, Inc.	MIC COND ANALOG OMNI -42DB 6MM D	0
	POM-3042L PUI Audio, Inc.	MIC COND ANALOG OMNI -42DB 6MM D	0
	POM-2240P-C33-R PUI Audio, Inc.	MIC COND ANALOG OMNI -40DB 6MM D	0
	PNM-2751L PUI Audio, Inc.	MIC COND ANALOG NC -51DB 6MM D	0
	POM-3046P PUI Audio, Inc.	MIC COND ANALOG OMNI -46DB 6MM D	0
	POM-1844P-C33-R PUI Audio, Inc.	MIC COND ANALOG OMNI -44DB 6MM D	0
	TOM-1545L PUI Audio, Inc.	MIC COND ANALOG OMNI -45DB 4MM D	0
	AOM-6545P PUI Audio, Inc.	MICROPHONE COND ANALOG OMNI	0
	DOM-5242L-R PUI Audio, Inc.	MIC COND ANALOG OMNI -42DB 8MM D	0
	POM-2246P PUI Audio, Inc.	MIC COND ANALOG OMNI -46DB	0
	TOM-3050L PUI Audio, Inc.	MICROPHONE COND ANALOG OMNI	0
	ROM-2244P-NF PUI Audio, Inc.	MICROPHONE COND ANALOG OMNI	0
	PNM-3546L PUI Audio, Inc.	MIC COND ANALOG NC -46DB 6MM D	0
	POM-2246L PUI Audio, Inc.	MIC COND ANALOG OMNI -46DB	0
	POM-5242L PUI Audio, Inc.	MIC COND ANALOG OMNI -42DB 6MM D	0
	POM-5246P PUI Audio, Inc.	MIC COND ANALOG OMNI -46DB 6MM D	0
	SOM-1547S PUI Audio, Inc.	MIC COND ANALOG OMNI -47DB 6MM D	0
	AOM-5244L PUI Audio, Inc.	MICROPHONE COND ANALOG OMNI	0
	POM-2246P-2 PUI Audio, Inc.	MIC COND ANALOG OMNI -46DB 6MM D	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.