1,311 Teaching Amplifier
results from39 suppliers
M80 MP3 Player UHF Microphone Teaching Tour Guide Amplifier, Wireless Bluetooth Loudspeaker
US$ 17-28 / Set
Min. Order:2 Sets
- Memory Size: Without
- Style: Add-in Card
- PC Interface: Bluetooth
- Audio Supported Standard: MP3
- SNR: 85dB
- Loud Speaker Function: Loud Speaker Function
High Power Audio Amplifier for Square Dance Outdoor Performance Airport Station Show Government Cultural Engineering Teaching Conference Home Theatre
US$ 5-86 / Piece
Min. Order:500 Pieces
- Nature of Source Flow: Active Inverter
- Certification: ISO9001, RoHS, CQC
- Output Power: 25-8kVA
- Output Type: Multiple
- Circuit Topologies: Push-Pull Type
- Nature of Wave String: Sine Wave Inverter
300W Professional Power Amplifier Is Suitable for Conference Room and PA System
US$ 95-99 / Piece
Min. Order:100 Pieces
- Application: School
- Style: Modern
- Material: Metal
- Speakers: With Speakers
- Folded: Unfolded
- Certification: CCC, CE FCC, Rosh,UL
Micro Current Amplifier Teaching Instrument
US$ 7 / Piece
Min. Order:200 Pieces
- Condition: New
- Customized: Customized
- Certification: ISO9001
- Packing: Carton Box
- Standard: As the picture
- Port: Ningbo
Hearing Aid Kit Audio Amplifier Amplifier Practical Teaching Competition Electronic DIY
US$ 0.39 / Set
Min. Order:10 Sets
- Power Supply Voltage: 3V
- Audio Output: 3.5m Audio Plug Headphone
- Packing: Carton Packing
- Standard: 45mm*30mm
- Port: Yantian
- Trademark: ZEKEEP
USB FM Bluethooth Portable Voice Amplifier
US$ 0.1-9.9 / Piece
Min. Order:100 Pieces
- Type: Mini Amplifier
- Usage: AV
- Used For: Teaching
- Tube Type: Transistor Amplifier
- Function: Post Amplifier
- Output Number: 1
Ka-250 Family KTV Karaoke Amplifier Conference Wedding Teaching Built-in Bluetooth
US$ 120-150 / Piece
Min. Order:10 Pieces
- Type: Home Amplifier
- Usage: KTV System
- Used For: Civilian
- Tube Type: Transistor Amplifier
- Function: Amplifier Combined
- Sound Channel: 2.0
Professional Amplifier Teaching/Tour Guide/Indoor/Promotion/Conference
US$ 33 / Piece
Min. Order:1000 Pieces
- Type: Bluetooth Speaker
- Amplification Type: Active
- Speaker Material: Plastic
- Usage: Portable Player, Mobile Phone, Computer, Home Theatre System, Radio
- Sound Channel: 2.1
- Special Function: Memory Card Support, USB Disk Support, With Remote Control, Radio, Alarm Clock
Shidu 15W Mini Teaching Amplifier Power Acoustic Amplifier
US$ 14.5-16.5 / Piece
Min. Order:60 Pieces
- Type: Professional Amplifier
- Usage: AV
- Used For: Professional
- Tube Type: Transistor Amplifier
- Function: Post Amplifier, Amplifier Combined, Pre-amplifier
- Sound Channel: 2.1
PA System Wireless Portable Voice Amplifier with Microphone for Teaching
US$ 33 / Piece
Min. Order:1000 Pieces
- Type: Bluetooth Speaker
- Amplification Type: Active
- Speaker Material: Plastic
- Usage: Portable Player, Mobile Phone, Computer, Home Theatre System, Radio
- Sound Channel: 2.1
- Special Function: Memory Card Support, USB Disk Support, With Remote Control, Radio, Alarm Clock
Shidu Smart 10W Teaching Audio Speaker Professional Mini Voice Amplifier
US$ 9.7-9.9 / Piece
Min. Order:1000 Pieces
- Type: Public Address System
- Certification: CE, ISO, RoHS, GS
- Condition: New
- Solution: Ax
- Packing: 30 PCS Per Carton
- Standard: 106mm*86mm*42mm
Shidu 5V 500mA FM Radio Speaker Teaching/Meeting Mini Amplifier
US$ 10-11.4 / Piece
Min. Order:60 Pieces
- Amplification Type: Active
- Speaker Material: Plastic
- Usage: Portable Player, Computer, Mobile Phone, Radio, TV
- Adjusting Method: Keystoke
- Sound Channel: 2.0
- Built-in Battery: Built-in Battery
Shidu S92 Portable Voice Amplifier with Doubel Wireless Microphone for Teaching Training
US$ 50.3-67.8 / Piece
Min. Order:1 Piece
- Memory Size: ≥16G
- Style: Portable
- PC Interface: 3.5mm Mic Jack
- Audio Supported Standard: MP3
- SNR: 85dB
- Loud Speaker Function: Loud Speaker Function
Shidu M500UHF Voice Amplifier Wireless Microphone for Teachers, Portable UHF Voice Amplifier for Teaching, Speaking, Classroom
US$ 21.4-28.8 / Piece
Min. Order:1 Piece
- Memory Size: ≥16G
- Style: Portable
- PC Interface: 3.5mm Mic Jack
- Audio Supported Standard: MP3
- SNR: 85dB
- Loud Speaker Function: Loud Speaker Function
Shidu M200 Portable Personal Teaching Mini Rechargeable Bluetooth Wired Voice Amplifier for Teacher
US$ 8.2-11.1 / Piece
Min. Order:1 Piece
- Memory Size: ≥16G
- Style: Portable
- PC Interface: 3.5mm Mic Jack
- Audio Supported Standard: MP3
- SNR: 85dB
- Loud Speaker Function: Loud Speaker Function
Shidu Teaching and Tour Guide Professional Speaker FM Radio Mini Amplifier
US$ 12.1-13.8 / Piece
Min. Order:60 Pieces
- Amplification Type: Active
- Speaker Material: Plastic
- Usage: Portable Player, Computer, Mobile Phone, Home Theatre System, Radio, Stage/DJ, Karaoke, TV
- Adjusting Method: Keystoke
- Sound Channel: 2.0
- Built-in Battery: Built-in Battery
Shidu Popular Mini Audio Box Portable Teaching Wireless Voice Amplifier
US$ 17.9-18.1 / Piece
Min. Order:1000 Pieces
- Type: Public Address System
- Certification: CE, ISO, RoHS, GS
- Condition: New
- Solution: Ax
- Packing: 30 PCS Per Carton
- Standard: 110mm*88mm*47mm
Shidu 15W Big Sound No Howling Mini PA Amplifier for Teaching Traing
US$ 33.38-39.28 / Piece
Min. Order:1 Piece
- 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
Fullwell Xg (S) -Pon CATV 1550nm Fiber Optic EDFA Amplifier 1310/1490/1270/1577nm
US$ 1280-1799 / Piece
Min. Order:1 Piece
- Type: Fiber Amplifier
- Wiring Devices: ODF
- Certification: CE, ISO, RoHS
- Condition: New
- Product Name: Xgs-Pon CATV Wdm EDFA
- CATV Operation Wavelength: 1530 ~ 1565nm
Shidu Factory Big Power 25W 2600mAh Tour Guide Teaching Portable Voice Amplifier with Wireless Microphone SD-S92
US$ 97.07-114.2 / Piece
Min. Order:1 Piece
- Style: Handheld Microphone
- Application: Voice, Recording, Meeting, Measurement, Amplify
- Signal Transmission: Wireless
- Directivity: Uni-direction
- Sound Channel: Stereo
- Transducer Principle: Electrodynamic Microphone
Shidu SD-M1000 30W Wireless Teaching Voice Amplifier
US$ 69.6-84.4 / Piece
Min. Order:2 Pieces
- Type: Professional Amplifier
- Used For: Specific
- Tube Type: Transistor Amplifier
- Function: Amplifier Combined
- Sound Channel: 4.1
- Output Number: 1
SHIDU 10W SD-S258 Teaching Portable Voice Amplifier for Classroom 2020
US$ 25.52-30.14 / Piece
Min. Order:1 Piece
- Style: Headset Microphone
- Application: Voice, Recording, Meeting, Measurement, Amplify
- Signal Transmission: Wired
- Directivity: Uni-direction
- Sound Channel: Stereo
- Transducer Principle: Electrodynamic Microphone
Temeisheng Factory Direct Sales Double 6 Inch Trolley Bluetooth Speaker Party Speaker with Light PT-6D
US$ 10-100 / Piece
Min. Order:1 Piece
- Type: Bluetooth Speaker
- Amplification Type: Active
- Speaker Material: Plastic
- Usage: Portable Player, Mobile Phone, Computer, Radio, Karaoke
- Sound Channel: Single Channel
- Special Function: Memory Card Support, USB Disk Support, With Remote Control, Radio
Shidu Factory Price 25W Portable Teaching Big Power 2000mAh Voice Amplifier with Wireless Microphone SD-S92A
US$ 84.75-99.71 / Piece
Min. Order:1 Piece
- Style: Handheld Microphone
- Application: Voice, Recording, Meeting, Measurement, Amplify
- Signal Transmission: Wireless
- Directivity: Uni-direction
- Sound Channel: Stereo
- Transducer Principle: Electrodynamic Microphone
Shidu SD-M600 Wireless 3.7V 2000mAh 15W High Power Voice Amplifier
US$ 33.38-39.28 / Piece
Min. Order:1 Piece
- Style: Headset Microphone
- Application: Music, Voice, Recording, Meeting, Measurement, Amplify
- Signal Transmission: Wired
- Directivity: Uni-direction
- Sound Channel: Stereo
- Transducer Principle: Electrodynamic Microphone
Stylish New Design Powerful 15W Output 2200mAh Battery Mini Amplifier for Yoga Teaching
US$ 15.2-20.5 / Piece
Min. Order:50 Pieces
- 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
Shidu Portable Wired Teaching Training Portable Voice Amplifier
US$ 23-31 / Piece
Min. Order:20 Pieces
- Type: Professional Amplifier
- Usage: AV
- Used For: Professional
- Tube Type: Transistor Amplifier
- Function: Post Amplifier, Amplifier Combined, Pre-amplifier
- Sound Channel: 2.1
Shidu Portable Speaker Box Mini Bluetooth Teaching Voice Amplifier
US$ 13.8-18.6 / Piece
Min. Order:50 Pieces
- Type: Public Address System
- Certification: CE, ISO, RoHS, GS
- Condition: New
- Solution: Jl
- Packing: 30 PCS Per Carton
- Standard: 140mm*84mm*48mm
Portable Waist Speaker with Headset Microphone and Built-in 15W Amplifier for Teaching/ Presentation/ Guides
US$ 18.9-35.1 / Piece
Min. Order:100 Pieces
- Style: Headset Microphone
- Application: Voice, Meeting, Amplify
- Signal Transmission: Wired
- Sound Channel: Stereo
- Model: Bst-31A
- Freq. Response: 80-12kHz
Waistband Amplifier (D-80)
Min. Order:500 Pieces
- Tube Type: Tube Amplifier
- Function: Post Amplifier
- Sound Channel: 3.1
- Output Number: 4
- Voltage: AC 220V
- Element Number: Monoamplifier
Automatic Pairing Built-in Audio Amplifier 2.4G Wireless Speaker Teaching Speakers
US$ 75.18-81.76 / Pair
Min. Order:20 Pairs
- Noise: <95dB
- Hi-Fi: Hi-Fi
- Activity: Active
- Operation Mode: Knob Control
- Speaker System: 2.0 Channel
- Speaker Material: Wood
New Original Germany DEUZE Optical Fiber Amplifier FK51N3
US$ 21.92-22.83 / Piece
Min. Order:1 Piece
- Application: Sensor
- Type: Optical Fiber Amplifier
- Brand: DEUZE
- Light source type: Red light
- Switching mode: NO/NC can be set
- Sensitivity adjustment: Remote teaching/manual adjustment
Shidu 10W Original Sound Portable Bluetooth Mini Voice Amplifier with Wired Microphone
US$ 9-12.2 / Piece
Min. Order:1 Piece
- Type: Bluetooth Speaker
- Amplification Type: Active
- Speaker Material: Plastic
- Usage: Portable Player, Voice Amplifier
- Sound Channel: Single Channel
- Special Function: Memory Card Support, USB Disk Support, Microphone Support
Shidu 10W Loud Sound Public Speaking Waistband Voice Amplifier with Wireless Lapel Microphone
US$ 25.5-29.9 / Piece
Min. Order:1 Piece
- Type: Bluetooth Speaker
- Amplification Type: Active
- Speaker Material: Plastic
- Usage: Portable Player, Voice Amplifier
- Sound Channel: Single Channel
- Special Function: Memory Card Support, USB Disk Support, Microphone Support
Shidu 10 Watts Loud Clear Rechargeable Mini PA System Portable Voice Amplifier for Teacher Sales
US$ 10.5-12.3 / Piece
Min. Order:1 Piece
- Type: Bluetooth Speaker
- Amplification Type: Active
- Speaker Material: Plastic
- Usage: Portable Player, Voice Amplifier
- Sound Channel: Single Channel
- Special Function: Memory Card Support, USB Disk Support, Microphone Support
Arrival New Voice Amplifier Shidu S617 Wired Microphone for Yoga Teaching Loudspeaker
US$ 10-11.8 / Piece
Min. Order:500 Pieces
- Audio Supported Standard: MP3
- Loud Speaker Function: Loud Speaker Function
- Battery Life: <10 hours
- Function: FM Radio, Bluetooth
- Lithium Battery: 3.7V 1800mAh
- Product Size: 102.6*88*42.3mm
Support 10W Loud Wired Voice Amplifier Shidu M300 Hi Fi Recording for Training/Meeting/Yoga/Teaching
US$ 9.4-11.1 / Piece
Min. Order:500 Pieces
- Application: Music, Voice, Recording, Meeting, Amplify
- Signal Transmission: Wired
- Sound Channel: Stereo
- Connector(s): USB
- Wireless Technology: FM
- Packing: Cartoon Box
Professional Shidu S278UHF 15W Bt Wireless Mini Voice Amplifier with Headset Microphone for Teaching Yoga
US$ 24.9-29.2 / Piece
Min. Order:500 Pieces
- Audio Supported Standard: MP3
- Loud Speaker Function: Loud Speaker Function
- Battery Life: <10 hours
- Function: FM Radio, Bluetooth
- Lithium Battery: 3.7V 2500mAh
- Product Size: 115*86*35mm
Hi Fi Original Sound Amplification Shidu M100 10W Bluetooth Wired Voice Amplifier Acoustic for Teaching
US$ 11-12.9 / Piece
Min. Order:500 Pieces
- Audio Supported Standard: MP3
- Loud Speaker Function: Loud Speaker Function
- Battery Life: <10 hours
- Function: Bluetooth
- Lithium Battery: 3.7V 1500mAh
- Product Size: 112.5*90*42mm
Bst-32 Portable Waist Speaker with 30W Amplifier 3 Inch Lucky Tone 30W with Echo Digital Function Active Speaker Teaching Use Elegant Outlook Speaker
US$ 19 / Piece
Min. Order:500 Pieces
- Amplification Type: Active
- Speaker Material: Metal
- Usage: Stage/DJ, Portable Player, Home Theatre System, Computer, Mobile Phone, Army and Ship
- Adjusting Method: Knob
- Sound Channel: Na
- Structure: PA Ceiling Speaker
