Speakers

Part Number	Description / PDF	Quantity
BMS3650P1 BeStar Technologies, Inc.	ELECTRO MAGNET DYNAMIC SPEAKER	2400
CMS-28588N-L152 CUI Devices	SPEAKER 8OHM 2W ENCLOSED 99DB	17102
CMS-16093-076L100B CUI Devices	16 X 9 MM, RECTANGULAR FRAME, 0.	499
SP-JEN-C12N-4 TubeDepot	JENSEN C12N OHMS 4	0
SP-1609-2 Soberton, Inc.	SPEAKER, 92DB SENSITIVITY, 16MM	212
93009 MISCO	3.3" HIGH POWER MID-BASS SPEAKER	200
OWR-4007T-32C Ole Wolff	40MM HEADPHONE DRIVER	98
CES-703316-28PM CUI Devices	SPEAKER 70 X 33MM ENCLOSED	244
WSP-4012Y Soberton, Inc.	8 OHM, 1.5W, 78DB, 650HZ, 40.2MM	797
CI-28267-000 Knowles	SPEAKER 250OHM SIDE PORT 125DB	0
HPD-50N25PR00-32 Vifa (Peerless by Tymphany)	SPEAKER 32OHM 10MW TOP PORT 91DB	632
GF1004 CUI Devices	SPEAKER 8OHM 6W TOP PORT 93DB	3075
AS05016PR-4-R PUI Audio, Inc.	SPEAKER .1 W 16 OHM 88 DB 500 HZ	77
GC0351P CUI Devices	SPEAKER 8OHM 1W TOP PORT 84DB	2877
SP-1511S-4 Soberton, Inc.	SPEAKER 8OHM 700MW TOP PORT 82DB	372
AS02708CO-R PUI Audio, Inc.	SPEAKER 8OHM 1W TOP PORT 80DB	300
FX100 Productech	RUGGED BLUETOOTH OUTDOOR SPEAKER	100
CES-571423-28PM CUI Devices	SPEAKER 57.5X14.85MM ENCLOSED	300
EX 45 S - 4 OHM VISATON	EX 45 S - 4 OHM	0
W 200 - 8 OHM VISATON	HIFI WOOFER	9

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