Speakers

Part Number	Description / PDF	Quantity
CMS-151135-076L100A CUI Devices	15 X 11 MM, RECTANGULAR FRAME, 0	500
SP-JEN-P15N-NB-16 TubeDepot	P15N WITHOUT BELL COVER OHMS 16	0
GF0776M CUI Devices	SPEAKER 8OHM 1W TOP PORT 91DB	4623
CDM-12008 CUI Devices	SPEAKER 8OHM 500MW TOP PORT 90DB	2573
CMS-405-158N-67 CUI Devices	40 MM, ROUND, 1.5 W, 8 OHM, NEOD	307
CMS-160925-078L100A-67 CUI Devices	16 X 9 MM, RECTANGULAR FRAME, 0.	399
SP-JEN-C15K-16 TubeDepot	JENSEN C15K OHMS 16	0
SMS1515-08H04 BeStar Technologies, Inc.	SMT, LOW PROFILE, SPEAKER	160
RC-1504 Soberton, Inc.	RECEIVER, 115DB SENSITIVITY, 15M	100
SM310204-1 DB Unlimited	SPEAKER 4OHM 2W 240HZ 97DB	985
SP-4009-1Y Soberton, Inc.	SPEAKER, 90DB SENSITIVITY, 40MMX	419
FRS 8 M - 8 OHM VISATON	HIFI FULL-RANGE DRIVER FRS 8 M -	116
CLS0231MA-1-L152 CUI Devices	SPEAKER 8OHM 500MW TOP PORT 89DB	2897
FRS 10 WP - 4 OHM (BLACK) VISATON	FRS 10 WP - 4 OHM (BLACK)	125
SP-JEN-P12Q-8 TubeDepot	JENSEN P12Q OHMS 8	2
SP-2014L-1 Soberton, Inc.	SPEAKER, 85DB SENSITIVITY, 20MM	598
GF0771M CUI Devices	SPEAKER 8OHM 1W TOP PORT 90DB	916
CMS-151125-076L100-67 CUI Devices	SPEAKER 15 X 11 MM ENCLOSED	0
OWR-05049T-38D Ole Wolff	5MM FULL RANGE IN EAR DRIVER	100
SP400804-4 DB Unlimited	DYNAMIC SPEAKER	744

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