Speakers

Part Number	Description / PDF	Quantity
PSR-57N08A01-AQ Mallory Sonalert Products	SPEAKER 8OHM 500MW TOP PORT 92DB	336
PSR-45N08A-JQ Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 88DB	139
PSR44N08AK Mallory Sonalert Products	SPEAKER 8OHM 500MW TOP PORT 99DB	5
PSR50F25SK Mallory Sonalert Products	SPEAKR 25OHM 200MW TOP PORT 92DB	39
PSR-50F08S-JQ Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 91DB	3167
PSR-28N08A-JQ Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 89DB	4709
PSR20N08AK Mallory Sonalert Products	SPEAKER 8OHM 300MW TOP PORT 92DB	71
PSR40N08AK Mallory Sonalert Products	SPEAKER 8OHM 1W TOP PORT 102DB	280
PSR12N08AK Mallory Sonalert Products	SPEAKER 8OHM 500MW TOP PORT 90DB	111
PB-1715PK Mallory Sonalert Products	SPEAKER 8OHM 200MW TOP PORT 87DB	497
PSR-20N08A-JQ Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 80DB	26
PSR36N08AK Mallory Sonalert Products	SPEAKER 8OHM 1W TOP PORT 104DB	12
MSS300R Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 90DB	13894
PSR10N08AK Mallory Sonalert Products	SPEAKER 8OHM 300MW TOP PORT 86DB	81
PSR-23F08S-JQ Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 81DB	1434
SCS300MDS Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 85DB	124
PSR4028F08S11.5K Mallory Sonalert Products	SPEAKER 8OHM 1W TOP PORT 97DB	126
PB-3212PK Mallory Sonalert Products	SPEAKER 8OHM 100MW TOP PORT 90DB	91
PSR3520F08S7K Mallory Sonalert Products	SPEAKER 8OHM 2W TOP PORT 98DB	143
PSR-13N08A-JQ Mallory Sonalert Products	SPEAKER 8OHM 250MW TOP PORT 75DB	8

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