Speakers

Part Number	Description / PDF	Quantity
SDS-P830657 Vifa (Peerless by Tymphany)	SPEAKER 8OHM 60W TOP PORT 88.5DB	250
SDF-250F75PR01-06 Vifa (Peerless by Tymphany)	SPEAKER 4.92 OHM 300W TOP 86.6DB	76
TC10FG00-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 30W TOP PORT 89.5DB	414
GBS-135F25AL02-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 35W TOP PORT 85.3DB	282
PLS-P830986 Vifa (Peerless by Tymphany)	SPEAKER 8OHM 25W TOP PORT 83.2DB	55
SDS-160F25PR01-08 Vifa (Peerless by Tymphany)	SPEAKER 8OHM 60W TOP PORT 87DB	275
GBS-85N25PR03-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 15W TOP PORT 84.1DB	351
PMT-37N28AL01-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 5W TOP PORT 81DB	206
NE85W-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 25W TOP PORT 81.9DB	50
BC25SC08-04 Vifa (Peerless by Tymphany)	TWEETR 4OHM 100W TOP PORT 94.9DB	109
TC7FD04-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 20W TOP PORT 88DB	0
XLS-P830452 Vifa (Peerless by Tymphany)	SPEAKR 4OHM 150W TOP PORT 85.9DB	0
SLS-85S25CP04-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 30W TOP PORT 83.3DB	796
PLS-P830983 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 25W TOP PORT 82DB	896
OC25SC65-04 Vifa (Peerless by Tymphany)	TWEETER 4OHM 25W TOP PORT 89.2DB	189
OC16SC00-04 Vifa (Peerless by Tymphany)	TWEETR 4OHM 100W TOP PORT 82.8DB	535
TC6FD02-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 15W TOP PORT 84DB	48
PMT-40N25AL01-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 5W TOP PORT 82.8DB	0
HPD-50N25PR00-32 Vifa (Peerless by Tymphany)	SPEAKER 32OHM 10MW TOP PORT 91DB	632
NE123W-04 Vifa (Peerless by Tymphany)	SPEAKER 4OHM 35W TOP PORT 87.6DB	61

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