Speakers

Part Number	Description / PDF	Quantity
AS02204MR-N50-R PUI Audio, Inc.	SPEAKER 2W 4 OHM 78DB 300HZ	763
XXLS-P835017 Vifa (Peerless by Tymphany)	SPEAKR 4OHM 120W TOP PORT 84.8DB	86
ASX10104-SPD-R PUI Audio, Inc.	EXCITER 4 OHM 105DB	17
OWS-131845TA-8D Ole Wolff	I.O.T./CAMERA SPKR HIGH SPL	100
AS04008CO-2-LW100-R PUI Audio, Inc.	SPEAKER 1.5 W 8 OHM 84 DB 550 HZ	53
BMS40-12B-08H5.0 BeStar Technologies, Inc.	ROUND SPEAKER, DIAMETER 40MM, 1W	0
SC250708-1 DB Unlimited	HIGH TEMP DYNAMIC SPEAKER	697
SC 5 - 8 OHM VISATON	MAGNETICALLY SHIELDED DOME DRIVE	81
S150SL-PC REV.1 International Components Corp.	PC MOUNT MINIATURE SPEAKER	500
AS01308MR-R PUI Audio, Inc.	SPEAKER 8OHM 200MW TOP PORT 86DB	31
TA6FC00-08 Vifa (Peerless by Tymphany)	SPEAKER 8OHM 10W TOP PORT 82.2DB	213
AS04008PO-2-WR-R PUI Audio, Inc.	SPEAKER 8OHM 1W TOP PORT 84DB	39
SP-4008Y Soberton, Inc.	4 OHM, 2.5W, 90DB, 550HZ,40MM DI	8283
SP-4005-4Y Soberton, Inc.	SPEAKER, 83DB SENSITIVITY, 40MM	461
SP-4012-8Y Soberton, Inc.	8 OHM, 2.5W, 78DB, 400HZ,40MM X	406
CMS-151135-078L100A CUI Devices	15 X 11 MM, RECTANGULAR FRAME, 0	498
SP-1511L Soberton, Inc.	SPEAKER 8 OHM 83DB 0.7W/1.0W 600	1121
CDS-13138-SMT-TR CUI Devices	SPEAKER 8OHM 300MW TOP PORT 87DB	495
ED-27303-000 Knowles	SPEAKER SIDE PORT RECT	0
CMS-20103-078SP CUI Devices	20 X 10 MM, RECTANGULAR, 0.7 W,	482

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