Speakers

Part Number	Description / PDF	Quantity
SMS2020-08H4.5 BeStar Technologies, Inc.	SMT, LOW PROFILE, SPEAKER	6400
BLS2828-12-08H11 BeStar Technologies, Inc.	28X28 MM SPEAKER	60
BPS2030H1.3-01 BeStar Technologies, Inc.	20X30 MM PIEZO SPEAKER	60
BMS1818-11-08H09 BeStar Technologies, Inc.	SQUARE SPEAKER, LOW DISTORTION	0
BMS2209-11C-08H3.7 BeStar Technologies, Inc.	OVAL, RECIEVER, 0.5W	0
BMS1511F-11C-08H3.5W018 BeStar Technologies, Inc.	15X11MM RECTANGLE MINI SPEAKER,	100
BLS2035-11-08H7.6W153 BeStar Technologies, Inc.	ELECTRO MAGNET DYNAMIC SPEAKER	50
BMS2014F-11C-08H03P BeStar Technologies, Inc.	MICRO SPEAKER, SPRING CONTACTS	0
BMS28-12B-08H05CW152M BeStar Technologies, Inc.	DYNAMIC SPEAKER	50
BDT3032H12.8-03 BeStar Technologies, Inc.	ROUND SPEAKER	60
BLS2027-11-08H7.8 BeStar Technologies, Inc.	RECTANGLULAR SPEAKER, 8 OHM, 2W	100
BMS28-12B-08H05W135-5035 BeStar Technologies, Inc.	DYNAMIC SPEAKER	0
BHS16-11P-08H5.8W30 BeStar Technologies, Inc.	EXITER FOR DYNAMIC HAPTIC	6
BMS3650P1 BeStar Technologies, Inc.	ELECTRO MAGNET DYNAMIC SPEAKER	2400
SMS1515-08H04 BeStar Technologies, Inc.	SMT, LOW PROFILE, SPEAKER	160
BHS2612-11S-08H06 BeStar Technologies, Inc.	EXCITER FOR DYNAMIC HAPTIC	55
BLS50-1-08H18.2B-03 BeStar Technologies, Inc.	ROUND SPEAKER, HIGH TEMP, 1W	100
BMS15-11C-08H4.5RP BeStar Technologies, Inc.	ROUND , RECIEVER, SPRING CONTACT	0
BLS114-2-32H51 BeStar Technologies, Inc.	LOUD SPEAKER	70
BDT3228W65M BeStar Technologies, Inc.	PANEL MOUNT, HIGH TEMP SPEAKER	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