Speakers

Part Number	Description / PDF	Quantity
AS07104PO-LW152-WR-R PUI Audio, Inc.	SPEAKER 4OHM 3W TOP PORT 86DB	166
AS01808AO-WP-R PUI Audio, Inc.	SPEAKER 8OHM 1W TOP PORT 94DB	3503
AS02804PR-N50-R PUI Audio, Inc.	SPEAKER 3W 4 OHM 76DB 350HZ	731
AS04008PS-4W-WR-R PUI Audio, Inc.	SPEAKER 8OHM 2W TOP PORT 84DB	7677
AS01508AO-SC-WP-R PUI Audio, Inc.	SPEAKER 8OHM 700MW TOP PORT 94DB	14126
AS01808AO-SC18-WP-R PUI Audio, Inc.	SPEAKER 8OHM 1W TOP PORT 94DB	1162
ASX03308-SM-R PUI Audio, Inc.	EXCITER 8OHM 2W 77DB ROUND	323
AS06004CO-C-R PUI Audio, Inc.	SPEAKER 2W 4 OHM 87DBA 650HZ	86
AS05004MR-3-R PUI Audio, Inc.	SPEAKER 1.5 W 4 OHM 100 DBA 350	108
AS02504PR-N50-R PUI Audio, Inc.	SPEAKER 2W 4 OHM 79DB 280HZ	81
AS06504PS-X-R PUI Audio, Inc.	SPEAKER 10 W 4 OHM 88 DB 130 HZ	45
AS02008MR-LWC63-R PUI Audio, Inc.	SPEAKER 8OHM 500MW TOP PORT 86DB	0
AS01808MR-LWC68-R PUI Audio, Inc.	SPEAKER 8OHM 1W TOP PORT 80DB	450
AS04004PO-2-LWC102-2-R PUI Audio, Inc.	SPEAKER 4OHM 3W TOP PORT 82DB	0
AR01032MR-LWC21-2-R PUI Audio, Inc.	SPEAKR 32OHM 10MW TOP PORT 114DB	0
AS02608MR-LW152-R PUI Audio, Inc.	SPEAKER 8OHM TOP PORT	0
AS03604MR-N50-HT-R PUI Audio, Inc.	SPEAKER 5W 4 OHM 85DB 200HZ	0
AS05045MR-R PUI Audio, Inc.	SPEAKER 45OHM 1W TOP PORT 102DB	0
AS02608MR-F-LW152-R PUI Audio, Inc.	SPEAKER 8OHM TOP PORT	0
AS01506MS-SC15-WP-3-R PUI Audio, Inc.	SPEAKER 1W 6OHM 93DB 650HZ	0

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