Speakers

Part Number	Description / PDF	Quantity
MSS300R Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 90DB	13894
AS01508MO-SC11-R PUI Audio, Inc.	SPEAKER 8OHM 500MW TOP PORT 84DB	0
K 64 WPT - 8 OHM VISATON	K 64 WPT - 8 OHM	246
FR 87 - 4 OHM VISATON	FULLRANGE SPEAKER FR 87 - 4 OHM	15
BF 45 - 8 OHM VISATON	FULL-RANGE DRIVER	159
AS01008MR-2-R PUI Audio, Inc.	SPEAKER 8OHM 300MW TOP PORT 86DB	24
SM200707-1 DB Unlimited	HIGH TEMP DYNAMIC MICRO SPEAKER	995
SPKA.46.8.B Taoglas	4X6" SPEAKER FOAM GASKET 8 OHM W	19
DL 25 - 100 V VISATON	CEILING MOUNTED SPEAKER	11
AS04008CO-R PUI Audio, Inc.	SPEAKER 8OHM 2W TOP PORT 83DB	2863
SM280604-2 DB Unlimited	DYNAMIC SPEAKER	256
SP-3605-1Y Soberton, Inc.	SPEAKER, 80DB SENSITIVITY, 36MM	159
BDT3032H12.8-03 BeStar Technologies, Inc.	ROUND SPEAKER	60
SP-1511S Soberton, Inc.	SPEAKER 8OHM 700MW TOP PORT 83DB	248
SM870508-1 DB Unlimited	SPEAKER 8OHM 10W 103DB 500HZ	475
SR800RS-M International Components Corp.	MINIATURE SPEAKER 8 OHM	2000
AS01506MS-WP-LW100-R PUI Audio, Inc.	SPEAKER 1W 6 OHM 93 DB 550 HZ	319
WB 13 - 100 V/8 OHM (WHITE) VISATON	2-WAY COMPACT SPEAKER	8
CLS0401MAE-L152 CUI Devices	SPEAKER 4OHM 1W TOP PORT 91DB	6098
CMS-151125-078SP CUI Devices	SPEAKER 15 X 11 MM ENCLOSED	488

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