Speakers

Part Number	Description / PDF	Quantity
ASX04004-R PUI Audio, Inc.	EXCITER 4OHM 3W 86DB ROUND	16
CSS-66668N CUI Devices	SPEAKER 8OHM 3W TOP PORT 104DB	137
GF0401M CUI Devices	SPEAKER 8OHM 100MW TOP PORT 99DB	3422
CLS0301 CUI Devices	SPEAKER 8 OHM 1W TOP PORT 86DB	1891
CMS-305-158SP-67 CUI Devices	30 MM, ROUND, 1.5 W, 8 OHM, NEOD	110
SPKA.46.8.A Taoglas	4X6" SPEAKER COAX 8 OHMS WITH DE	10
FRS 8 - 4 OHM VISATON	FRS 8 - 4 OHM	9
AST-01708MR-R PUI Audio, Inc.	SPEAKER 8OHM 200MW TOP PORT 87DB	2765
K 36 MO - 8 OHM VISATON	K 36 MO - 8 OHM	672
HD7 Productech	MINI PORTABLE BLUETOOTH SPEAKER	150
BLS2035-11-08H7.6W153 BeStar Technologies, Inc.	ELECTRO MAGNET DYNAMIC SPEAKER	50
CMS-151125-076L100A CUI Devices	15 X 11 MM, RECTANGULAR FRAME, 0	488
AS05804PS-X-R PUI Audio, Inc.	SPEAKER 10 W 4 OHM 85 DB 140 HZ	101
SP-3020 Soberton, Inc.	SPEAKER, 85DB SENSITIVITY, 30MM	750
FRS 10 WP - 4 OHM (WHITE) VISATON	FRS 10 WP - 4 OHM (WHITE)	15
SP-CEL-G12H-16 TubeDepot	CELESTION G12H ANNIV OHMS 16	0
GC0401L 16 OHM CUI Devices	SPEAKER 16OHM 2W 40X28.5MM NTBK	0
CMS-151135-076S-67 CUI Devices	SPEAKER 15 X 11 MM ENCLOSED	0
BF 45 - 4 OHM VISATON	BF 45 - 4 OHM	41
SP-2014L Soberton, Inc.	SPEAKER 8 OHM90 DB 0.7W/1.0W 105	236

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