Speakers

Part Number	Description / PDF	Quantity
AS09008PO-2-R PUI Audio, Inc.	SPEAKER 8OHM 5W TOP PORT 86DB	818
AS01506MS-SC15-WP-R PUI Audio, Inc.	SPEAKER 1W 6 OHM 93 DB 650 HZ	595
AS01008MR-3-LW100-R PUI Audio, Inc.	SPEAKER .5W 8OHM 81DB 1600HZ	340
ASX05408-HD-R PUI Audio, Inc.	EXCITER 8 OHM 104DB	333
AS05016PR-4-R PUI Audio, Inc.	SPEAKER .1 W 16 OHM 88 DB 500 HZ	77
AS02708CO-R PUI Audio, Inc.	SPEAKER 8OHM 1W TOP PORT 80DB	300
AS04032PR-R PUI Audio, Inc.	SPEAKER .1W 32 OHM 78DBA 600HZ P	97
AS01708MR-SC-2-R PUI Audio, Inc.	SPEAKER 8OHM 300MW TOP PORT 88DB	100
AS01608MS-SC16-WP-R PUI Audio, Inc.	SPEAKER .7W 8 OHM 90 DB 950 HZ	466
AS04516MR-2-LW105-R PUI Audio, Inc.	SPEAKER 1 W 16 OHM 86 DB 800 HZ	99
AS01608MS-SP9-WP-R PUI Audio, Inc.	SPEAKER .7W 8 OHM 89 DB 850 HZ	125
AST-03008MR-R PUI Audio, Inc.	SPEAKER 8OHM 150MW TOP PORT 72DB	6131
ASX02604-R PUI Audio, Inc.	EXCITER 4OHM 1.5W 85DB ROUND	577
ASX08804-TP-R PUI Audio, Inc.	EXCITER 4 OHM 106DB	111
AS04004PR-WR-R PUI Audio, Inc.	SPEAKER 4 OHM 3W 180HZ 86DB	0
ASX03304-R PUI Audio, Inc.	EXCITER 4OHM 3W 88DB ROUND	237
AS01808AO-3-R PUI Audio, Inc.	SPEAKER 8OHM 1W TOP PORT 94DB	308
AR03032MR-R PUI Audio, Inc.	SPEAKER 32OHM .02W 92DB 29MM	4411
AST-02308MR-R PUI Audio, Inc.	SPEAKER 8OHM 100MW TOP PORT 75DB	982
ASX05404-HD-R PUI Audio, Inc.	EXCITER 4 OHM 107DB	542

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