Speakers

Part Number	Description / PDF	Quantity
FR 10 - 8 OHM VISATON	FR 10 - 8 OHM	46
RVA-90063-N17 Knowles	SPEAKER 96.3OHM 99.1DB	0
BTD44-12-03H20.1 BeStar Technologies, Inc.	44MM, AUDIO EXCITER	50
CLS0361 CUI Devices	SPEAKER 8OHM 2W TOP PORT 88DB	0
SPKR.6.8.A Taoglas	6" FULL RANGE SPEAKER ROUND 8 OH	15
S150SLA-R5W International Components Corp.	MINIATURE SQUARE SPEAKER, 8 OHM	600
AS04004MR-N50-R PUI Audio, Inc.	SPEAKER 5W 4 OHM 84DB 150HZ	1250
CES-361810-18PM CUI Devices	35.9 X 18.5 MM, ENCLOSED, RECTAN	247
GC0201MAP-1 CUI Devices	SPEAKER 8OHM 0.1W 20MM ROUND	0
CVS-2308 CUI Devices	SPEAKER 8OHM 100MW TOP PORT 88DB	1385
CMS-28588N-L152A CUI Devices	28 MM, ROUND FRAME, 2 W, 8 OHM,	500
FE23100PCW-03 BeStar Technologies, Inc.	SPEAKER, PCB MOUNT	1713
SC 8 N - 8 OHM VISATON	MAGNETICALLY SHIELDED FULL-RANGE	14
S11X16VNS International Components Corp.	MINIATURE OVAL SPEAKER 8 OHM	2040
CMS-160925-078L100B CUI Devices	16 X 9 MM, RECTANGULAR FRAME, 0.	500
RVA-90063-N03 Knowles	SPEAKER 96.3OHM 99.1DB	0
GA0876M CUI Devices	SPEAKER 8OHM 1W TOP PORT 85DB	0
K 50 FL - 50 OHM VISATON	K 50 FL - 50 OHM	475
GA0666 CUI Devices	SPEAKER 8OHM 500MW TOP PORT 86DB	0
APS2513S-T-R PUI Audio, Inc.	SPEAKER 3OHM TOP PORT 83DB RECT	562

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