Home Health & Medicine Pen Style E-Cigarette Classroom Voice Amplifier Factory 2025 Product List

Classroom Voice Amplifier Factory

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SHIDU 10W SD-S258 Teaching Portable Voice Amplifier for Classroom 2020

US$ 25.52-30.14 / Piece

1 Piece (MOQ)

Shenzhen Shidu Digital Co., Ltd.

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Style: Headset Microphone

Application: Voice, Recording, Meeting, Measurement, Amplify

Signal Transmission: Wired

Directivity: Uni-direction

Sound Channel: Stereo

Transducer Principle: Electrodynamic Microphone

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Shidu 2200mAh High Capacity Megaphone Voice Amplifier for Classroom /Meeeting

US$ 33.26-39.13 / Piece

1 Piece (MOQ)

Shenzhen Shidu Digital Co., Ltd.

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Amplification Type: Active

Speaker Material: Plastic

Usage: Stage/DJ, Karaoke, Portable Player, Home Theatre System, Computer, Radio, TV, Mobile Phone, Voice Amplifier

Adjusting Method: Knob

Sound Channel: 2

Structure: Waistband Speaker

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Shidu 18W Big Sound Wired Portable Teachers Microphones Classroom Voice Amplifier

US$ 25.5-30.9 / Piece

2 Pieces (MOQ)

Shenzhen Shidu Digital Co., Ltd.

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Noise: ≥70dB

Hi-Fi: Hi-Fi

Activity: Passive

Operation Mode: Button Control

Speaker System: Mono

Speaker Material: Plastic

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1 U RF Wireless Classroom Voice Amplifier (Rack Mountable)

50 Pieces (MOQ)

SOYO Technology Development Co., Ltd.

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Type: Professional Amplifier

Usage: Hi-Fi

Used For: Professional

Tube Type: IC Amplifier

Function: Post Amplifier

Sound Channel: 2.0

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RF Wireless Classroom Amplifiers for Voice Amplification System Solution

1 Piece (MOQ)

SOYO Technology Development Co., Ltd.

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Type: Professional Amplifier

Usage: Hi-Fi, AV

Used For: School

Tube Type: IC Amplifier

Function: Post Amplifier

Sound Channel: 2.1

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Shidu S93 Wireless Voice Amplifier for Teachers with 2 Microphone,20W 2500mAh, Portable Speaker with Microphone for Classroom, Meeting, Fitness, Speech,Training

US$ 28.8-38.8 / Piece

1 Piece (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Memory Size: ≥16G

Style: Portable

PC Interface: 3.5mm Mic Jack

Audio Supported Standard: MP3

SNR: 85dB

Loud Speaker Function: Loud Speaker Function

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Portable Voice Amplifier Shidu Personal Microphone Headset for Speaking Rechargeable Mini PA System for Teachers Tour Guides Coaches Classroom Singing Yoga Fitn

US$ 13.8-18.6 / Piece

1 Piece (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Memory Size: ≥16G

Style: Portable

PC Interface: 3.5mm Mic Jack

Audio Supported Standard: MP3

SNR: 85dB

Loud Speaker Function: Loud Speaker Function

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Portable Voice Amplifier Shidu Personal Microphone Headset for Speaking Rechargeable Mini PA System for Teachers Tour Guides Coaches Classroom Singing Yoga

US$ 10.6-14.3 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Activity: Active

Operation Mode: Button Control

Speaker System: 2.1 Channel

Speaker Material: Plastic

Application: Commercial, Home, Class, Meeting, Speech, Sales, Supermarket

Monitor: No

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Shidu S93 20W Wired Smart School Classroom Voice Amplifier for Teacher, Tour Guide

US$ 21.5-25.2 / Piece

500 Pieces (MOQ)

Shenzhen Shidu Digital Co., Ltd

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Style: Headset Microphone

Application: Music, Voice, Recording, Meeting, Amplify

Signal Transmission: Wireless

Sound Channel: Stereo

Connector(s): USB

Packing: Cartoon Box

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Shidu M500UHF Voice Amplifier Wireless Microphone for Teachers, Portable UHF Voice Amplifier for Teaching, Speaking, Classroom

US$ 21.4-28.8 / Piece

1 Piece (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Memory Size: ≥16G

Style: Portable

PC Interface: 3.5mm Mic Jack

Audio Supported Standard: MP3

SNR: 85dB

Loud Speaker Function: Loud Speaker Function

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S611 Original Voice Amplifier for Teachers with Wireless Microphone Headset, Portable Speaker Megaphone for Classroom, Training, Teach

US$ 19.6-26.4 / Piece

1 Piece (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Memory Size: ≥16G

Style: Portable

PC Interface: 3.5mm Mic Jack

Audio Supported Standard: MP3

SNR: 85dB

Loud Speaker Function: Loud Speaker Function

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Shidu M1 Portable Voice Amplifier Bluetooth Rechargeable Personal Voice Amplifier with Microphone Headset, Power Amplifier for Multiple Locations Classroom

US$ 25.5-34.3 / Piece

1 Piece (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Memory Size: ≥16G

Style: Portable

PC Interface: 3.5mm Mic Jack

Audio Supported Standard: MP3

SNR: 85dB

Loud Speaker Function: Loud Speaker Function

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Shidu S298 Voice Amplifier Microphone Headset for Teachers, Original Portable Voice Amplifier, Work of 12 Hrs, Personal Voice Amplifiers for Classroom, Meeting

US$ 11.2-15.1 / Piece

1 Piece (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Memory Size: ≥16G

Style: Portable

PC Interface: 3.5mm Mic Jack

Audio Supported Standard: MP3

SNR: 85dB

Loud Speaker Function: Loud Speaker Function

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Shidu S512 Original Portable Voice Amplifier Personal Voice Amplifiers for Classroom, Meeting, Speech, Tour Guide

US$ 12.7-17.1 / Piece

1 Piece (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Memory Size: ≥16G

Style: Portable

PC Interface: 3.5mm Mic Jack

Audio Supported Standard: MP3

SNR: 85dB

Loud Speaker Function: Loud Speaker Function

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M200 2.4G Original Voice Amplifier for Teachers with Wireless Microphone Headset, Portable Speaker Megaphone for Classroom, Training, Teach

US$ 14-18.8 / Piece

1 Piece (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Memory Size: ≥16G

Style: Portable

PC Interface: 3.5mm Mic Jack

Audio Supported Standard: MP3

SNR: 85dB

Loud Speaker Function: Loud Speaker Function

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Shidu Double Wireless Voice Amplifier for Teachers with 2 Microphone, 25W 2600mAh, Work of 10hrs, Portable Speaker with Microphone for Classroom, Meeting, Sales

US$ 51.5-69.4 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Activity: Active

Operation Mode: Button Control

Speaker System: 2.1 Channel

Speaker Material: Plastic

Application: Commercial, Home, Classroom, Conference, Speech, Supermarket

Certification: CE, RoHS, FCC

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Professional Wireless Voice Amplifier Solution to Classroom Audio System

1 Piece (MOQ)

SOYO Technology Development Co., Ltd.

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Noise: <102dB

Application: Classroom, Church

Certification: CE, RoHS, CCC, FCC

THD: <0.03%

Frequency: 2400 to 2483MHz

Sampling Ratios: 64k@16-Bit X 2

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Portable Rechargeable Mini Voice Amplifier for Teachers with Wired Microphone Headset and Waistband,Supports MP3 Format Audio for Singing,Training,Speech,Tour

US$ 9.4-12.7 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Activity: Active

Operation Mode: Button Control

Speaker System: 2.1 Channel

Speaker Material: Plastic

Application: Classroom, Meeting, Speech, Sales Activity

Certification: CE, RoHS, FCC

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Shidu 15W Powerful Voice Amplifier with Wired Microphone Loudspeaker for Big Room

US$ 14.4-19.4 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Activity: Active

Operation Mode: Button Control

Speaker System: 2.1 Channel

Speaker Material: Plastic

Application: Classroom, Meeting, Speech

Certification: CE, RoHS, FCC

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Shidu Voice Amplifier with Wired Microphone Loud Speaker Support FM, Bt, TF Card, USB Flash Drive Music Playing, Record

US$ 10.1-13.6 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Activity: Active

Operation Mode: Button Control

Speaker System: 2.1 Channel

Speaker Material: Plastic

Application: Classroom, Supermarket, Meeting, Speech

Certification: CE, RoHS, FCC

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Voice Amplifier Bluetooth 5.0 Wireless Headset Mirophone/Handheld Mic-25W Rechargeable Megaphone Personal PA System Portable Microphone Speaker Set

US$ 31.4-42.4 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Activity: Active

Operation Mode: Button Control

Speaker System: 2.1 Channel

Speaker Material: Plastic

Application: Commercial, Home, Classroom, Meeting, Supermarket, Speech

Monitor: LED Screen

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Shidu UHF Wireless Voice Amplifier for Teachers Rechargeable Megaphone Support Recording

US$ 20.4-27.5 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Activity: Active

Operation Mode: Button Control

Speaker System: 2.1 Channel

Speaker Material: Plastic

Application: Classroom, Meeting Room, Market

Certification: CE, RoHS, FCC

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Shidu Mini PA Speaker 10W Voice Amplifier with Wired Microphone for Teachers Guides Coach

US$ 8.6-11.6 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Activity: Active

Operation Mode: Button Control

Speaker System: Optional Combination

Speaker Material: Plastic

Application: Classroom, Meeting Room, Outdoor Speech

Certification: CE, RoHS, FCC

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Shidu 20W Big Power Voice Amplifier for Teacher Personal PA System for Meeting

US$ 21.5-28.9 / Piece

500 Pieces (MOQ)

Shenzhen Heyue Digital Technology Co., Ltd

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Noise: <95dB

Hi-Fi: Not Hi-Fi

Activity: Active

Operation Mode: Button Control

Speaker System: 2.0 Channel

Speaker Material: Plastic

All-in-One Conference Amplification Kit with DSP Amplifier and Dual Capsule Overhead Microphone and Column Speaker*2

All-in-One Conference Amplification Kit with DSP Amplifier and Dual Capsule Overhead Microphone and Column Speaker*2

All-in-One Conference Amplification Kit with DSP Amplifier and Dual Capsule Overhead Microphone and Column Speaker*2

All-in-One Conference Amplification Kit with DSP Amplifier and Dual Capsule Overhead Microphone and Column Speaker*2

All-in-One Conference Amplification Kit with DSP Amplifier and Dual Capsule Overhead Microphone and Column Speaker*2

All-in-One Conference Amplification Kit with DSP Amplifier and Dual Capsule Overhead Microphone and Column Speaker*2

1/ 6

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All-in-One Conference Amplification Kit with DSP Amplifier and Dual Capsule Overhead Microphone and Column Speaker*2

US$ 547.1-711.1 / Piece

1 Piece (MOQ)

Guangzhou Temeisheng Audio Technic Co Ltd

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5(5.0)

"On-time Delivery"

On-time Delivery

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Function: Amplifier Combined

Voltage: AC 220V

Packing: Gift Box/ Export Carton/ Pallet

Port: Guangzhou, China

Production Capacity: 50000PCS Per Year

Trademark: Ben & Fellows or OEM

Professional Amplifier/Audio Amplifier/Digital Amplifier 150W

Professional Amplifier/Audio Amplifier/Digital Amplifier 150W

Professional Amplifier/Audio Amplifier/Digital Amplifier 150W

Professional Amplifier/Audio Amplifier/Digital Amplifier 150W

Professional Amplifier/Audio Amplifier/Digital Amplifier 150W

Professional Amplifier/Audio Amplifier/Digital Amplifier 150W

1/ 6

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Professional Amplifier/Audio Amplifier/Digital Amplifier 150W

US$ 70-80 / pieces

1 pieces (MOQ)

Focus (Guangzhou) Digital Technology Co., Ltd.

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Type: Professional Amplifier

Usage: Classroom, Conference Room

Used For: Professional

Output Number: 4

Voltage: AC 110V

Audio Input: Wire Microphone

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Plastic Single 6 Loudspeaker PA System

US$ 58-462 / Piece

1 Piece (MOQ)

DONGGUAN FDB AUDIO MANUFACTURE CO .,LTD

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Hi-Fi: Not Hi-Fi

Activity: Passive

Speaker Material: Plastic

Certification: CE, RoHS, CCC, ISO9001:2008

Frequency Response(-3dB): 50Hz-18kHz

Woofer: 1X6.5"(165mm)/1" Voice Coil Woofer

Window Intercom System for Bank or Window Public Address Audio Set with Desktop Microphone & in Wall Speaker

Window Intercom System for Bank or Window Public Address Audio Set with Desktop Microphone & in Wall Speaker

Window Intercom System for Bank or Window Public Address Audio Set with Desktop Microphone & in Wall Speaker

Window Intercom System for Bank or Window Public Address Audio Set with Desktop Microphone & in Wall Speaker

Window Intercom System for Bank or Window Public Address Audio Set with Desktop Microphone & in Wall Speaker

Window Intercom System for Bank or Window Public Address Audio Set with Desktop Microphone & in Wall Speaker

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Window Intercom System for Bank or Window Public Address Audio Set with Desktop Microphone & in Wall Speaker

US$ 30.8-32.8 / Piece

2 Pieces (MOQ)

Guangzhou Temeisheng Audio Technic Co Ltd

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5(5.0)

"On-time Delivery"

On-time Delivery

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Style: Handheld Microphone

Application: Music, Voice, Meeting, Amplify

Signal Transmission: Wired

Directivity: Uni-direction

Sound Channel: Mono

Transducer Principle: Electrodynamic Microphone

Professional Outdoor Using Audio Speaker High Spl PA 8inch Sound System

Professional Outdoor Using Audio Speaker High Spl PA 8inch Sound System

Professional Outdoor Using Audio Speaker High Spl PA 8inch Sound System

Professional Outdoor Using Audio Speaker High Spl PA 8inch Sound System

Professional Outdoor Using Audio Speaker High Spl PA 8inch Sound System

Professional Outdoor Using Audio Speaker High Spl PA 8inch Sound System

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Professional Outdoor Using Audio Speaker High Spl PA 8inch Sound System

US$ 148-1282 / Piece

1 Piece (MOQ)

DONGGUAN FDB AUDIO MANUFACTURE CO .,LTD

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Noise: Non

Hi-Fi: Not Hi-Fi

Activity: Passive

Operation Mode: Wire / Remote Control

Speaker System: Optional Combination

Speaker Material: Plastic

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Shidu 10W Wireless Amplifier for Classroom/Training/Meeting

US$ 21-23.4 / Piece

1000 Pieces (MOQ)

Shenzhen Shidu Digital Co., Ltd.

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Noise: ≥70dB

Hi-Fi: Hi-Fi

Activity: Passive

Operation Mode: Button Control

Speaker System: Mono

Speaker Material: Plastic

Questions & Answers on Classroom Voice Amplifier Factory

What are the most common materials used in manufacturing Pen Style E-Cigarettes?

The Classroom Voice Amplifier Factory is a premium choice in the Pen Style E-Cigarette category.Pen Style E-Cigarettes are typically crafted using stainless steel, aluminum, and heat-resistant plastics. Each material offers different advantages in terms of design, durability, and functionality. For more information, consult with reputable manufacturers in the industry.

What advantages come with purchasing Pen Style E-Cigarettes wholesale?

Discover the perfect Pen Style E-Cigarette addition with our Classroom Voice Amplifier Factory.Procuring Pen Style E-Cigarettes wholesale offers advantages such as volume discounts, heightened availability, and product consistency. Wholesale transactions often provide opportunities for customized services and reduced costs, ensuring clients receive premium products from dependable suppliers.

Where can I find trustworthy suppliers of Pen Style E-Cigarettes in China?

The Classroom Voice Amplifier Factory is an essential part of our Pen Style E-Cigarette offerings.Identifying trustworthy suppliers in China involves exploring online platforms, attending industry exhibitions, and networking with industry contacts. Evaluate supplier qualifications, seek product samples, and consider partnering with established manufacturers for consistent quality and reliable services.

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