Speakers

Part Number	Description / PDF	Quantity
AS02008MR-R PUI Audio, Inc.	SPEAKER 8OHM 500MW TOP PORT 86DB	824
ASE06008MR-LW150-R PUI Audio, Inc.	SPEAKER 8OHM 3W TOP PORT 82DB	9580
ASE02506MS-LW90-DSM-R PUI Audio, Inc.	SPEAKER ENCLOSURE 1 W 6 OHM 93 D	2126
AS07008MO-R PUI Audio, Inc.	SPEAKER 2 W 8 OHM 84 DBA 500 HZ	59
ASX02108-R PUI Audio, Inc.	EXCITER 8OHM 250MW 75DB ROUND	445
AS04004PO-2-LW152-R PUI Audio, Inc.	SPEAKER 4OHM 3W TOP PORT 82DB	1932
AS02016MR-2-R PUI Audio, Inc.	SPEAKER .3W 16 OHM 91DBA 600HZ	673
AS02708CO-LW100-R PUI Audio, Inc.	SPEAKER 1W 8 OHM 80 DB 650HZ	78
AS02008MR-5-R PUI Audio, Inc.	SPEAKER 8OHM 500MW TOP PORT 86DB	209
AS02508CO-2-R PUI Audio, Inc.	SPEAKER 8OHM 500MW TOP PORT 82DB	1507
SMS-1508-2-R PUI Audio, Inc.	SPEAKER 8OHM 300MW TOP PORT 87DB	406
AS01508AO-WP-R PUI Audio, Inc.	SPEAKER 8OHM 700MW TOP PORT 94DB	729
AS01308MR-2-R PUI Audio, Inc.	SPEAKER 8OHM 200MW TOP PORT 85DB	1288
APS3008S-R PUI Audio, Inc.	SPEAKER TOP PORT 80DB RECT	1118
AS06606SR-R PUI Audio, Inc.	TWEETER 15W 6 OHM 90DB 1480 HZ	35
AS04004PO-2-R PUI Audio, Inc.	SPEAKER 4OHM 3W TOP PORT 82DB	6188
AST-01532MR-R PUI Audio, Inc.	SPEAKR 32OHM 300MW TOP PORT 87DB	1701
AR027150MR-2-R PUI Audio, Inc.	SPEAKER 150OHM 15MW TOP PORT	5832
AS01808MS-SC18-WP-R PUI Audio, Inc.	SPEAKER .5W 8 OHM 88 DB 850 HZ	74
AS07708PS-2-WR-R PUI Audio, Inc.	SPEAKER 8OHM 4W TOP PORT 90DB	1048

Speakers

1. Overview

Speakers are electroacoustic transducers that convert electrical audio signals into sound waves. As critical components in audio systems, they reproduce audible frequencies (typically 20Hz-20kHz) with controlled directivity and fidelity. Modern speaker technology integrates materials science, electromagnetism, and digital signal processing to deliver immersive audio experiences across consumer, professional, and industrial applications.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Dynamic Speakers	Electromagnetic driver with cone diaphragm, wide frequency response	Home theaters, PA systems
Electrostatic Speakers	Thin membrane with electrostatic field, excellent transient response	High-end audiophile systems
Planar Magnetic	Flat diaphragm with printed circuits, precise sound imaging	Studio monitoring, headphones
Coaxial Speakers	Multiple drivers on single axis, improved phase coherence	Car audio systems
Subwoofers	Specialized for low-frequency reproduction (20-200Hz)	Cinema sound systems

3. Structure and Components

Typical speaker systems consist of:

Transducer Elements: Voice coil, magnet assembly, diaphragm
Cabinet: Made from MDF, aluminum, or composite materials
Crossover Network: Passive/active filters directing frequencies to drivers
Connectors: Binding posts, TRS/XLR inputs, or wireless modules
Damping Materials: Acoustic foam for resonance control

4. Key Technical Specifications

Parameter	Description	Significance
Frequency Response	20Hz-20kHz 3dB	Defines audible range accuracy
Sensitivity	85-100 dB/W/m	Efficiency in sound production
Impedance	4 , 6 , 8 nominal	Matching with amplifiers
Power Handling	20-1000W RMS	Maximum safe operating level
THD	<0.5% at 1W	Audio signal purity

5. Application Areas

Consumer Electronics: Smart speakers (Amazon Echo), soundbars
Professional Audio: Studio monitors (Yamaha HS8), live sound systems
Automotive: Door speakers, active noise cancellation systems
Commercial: Distributed audio in retail spaces, emergency PA systems
Immersive Systems: Dolby Atmos home cinema setups

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Innovation
Bose	901 Direct/Reflecting Series	Omni-directional sound field
KEF	LS50 Wireless	Uni-Q concentric driver
Bowers & Wilkins	800 Series Diamond	Matrix internal bracing
Yamaha	HS8 Studio Monitor	Neutral sound reproduction
Harman Kardon	Invoke	Cortana integration

7. Selection Recommendations

Key selection criteria:

Match impedance/power handling with amplifier specifications
Room size vs. speaker sensitivity (e.g., 88dB+ for large spaces)
Crossover frequency alignment in multi-way systems
Material durability for environmental conditions (humidity, temperature)
Budget allocation: 30-50% of total audio system cost recommended

8. Industry Trends Analysis

Emerging developments include:

Integration of AI-powered room calibration (Dirac Live, Audyssey)
Multi-directional transducers for 3D audio in VR/AR applications
Development of micro-speakers using graphene diaphragms
Adoption of wireless mesh networks (WiSA technology) for speaker arrays
Growth of automotive audio systems with headrest-integrated transducers