Speakers

Part Number	Description / PDF	Quantity
EX 80 S - 8 OHM VISATON	EX 80 S - 8 OHM	25
SL 87 WPM - 4 OHM VISATON	WATERPROOF FULLRANGE SPEAKER SL	18
DX 4X6 - 4 OHM VISATON	FULL-RANGE SPEAKER	18
W 130 S - 8 OHM VISATON	HIFI LOW-MIDRANGE DRIVER	53
FX 16 WP - 4 OHM VISATON	SALTWATER RESISTANT 2-WAY COAXIA	0
FR 8 WP - 8 OHM (BLACK) VISATON	FR 8 WP - 8 OHM (BLACK)	40
K 28 GI - 8 OHM VISATON	K 28 GI - 8 OHM	868
KT 100 V - 4 OHM VISATON	WOOFER	0
K 64 WPT - 8 OHM VISATON	K 64 WPT - 8 OHM	246
FR 87 - 4 OHM VISATON	FULLRANGE SPEAKER FR 87 - 4 OHM	15
BF 45 - 8 OHM VISATON	FULL-RANGE DRIVER	159
DL 25 - 100 V VISATON	CEILING MOUNTED SPEAKER	11
WB 13 - 100 V/8 OHM (WHITE) VISATON	2-WAY COMPACT SPEAKER	8
K 50 FLS - 8 OHM VISATON	K 50 FLS - 8 OHM	312
SL 87 XA - 4 OHM VISATON	SL 87 XA - 4 OHM	611
BF 45 S - 4 OHM VISATON	BF 45 S - 4 OHM	175
EX 60 S - 8 OHM VISATON	EX 60 S - 8 OHM	109
BG 17 - 8 OHM VISATON	FULL-RANGE SPEAKER	44
W 170 - 8 OHM VISATON	HIFI WOOFER	12
FR 8 - 8 OHM VISATON	FULLRANGE SPEAKER FR 8 - 8 OHM	193

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