ReviewsTeaching Amplifier

192kHz Digital to Analog Converter Bluetooth 5.0 Receiver DAC with 16-300Ω Headphone Amplifier Optical/Coaxial to RCA 3.5mm Audio Output with Volume Control for TV Phone Tablet (Normal, Basic)

【192kHz Digital to Analog Converter】-- It supports to convert Optical, Coaxial, Digital Audio Signals Input, Output to Stereo Analog L/R RCA and 3.5mm Jack Audio that are Connected to the Amplifier, Speaker, Headphone.Built-in high-performance DAC chip.
【Bluetooth 5.0 Receiver with Antenna 】-- Adopts the latest Bluetooth version 5.0 lossless transmission technology and Bluetooth dedicated antenna for stable signal transmission. Supports to pair with mobile devices (such as mobile phones, tablets) via Bluetooth for audio transport, Note: It’s DAC with Bluetooth Receiver, not a Bluetooth transmission.
【192K/24bit & Volume Adjustment】-- Built-in High-performance DAC Chip, Supports 32~192K/24bit Sampling Rate. The volume adjusting knob allows you to adjust the headphone jack and RCA interface volume simultaneously.(Audio Formats: 2.0ch PCM/LPCM), also the volume knob is on/off switch so that you can turn it off without unplugging it.
【3.5mm Headphone Amplifier & Built-in Microphone】-- Support 16-300Ω Headphone, you can use it as a Hi-Fi amplifier with the volume control.

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AODSK 88 Key Weighted Action Digital Piano,Grade Hammer Action Keyboard with Furniture Stand and Triple Pedals for Beginner Kids/Adults Classic Household Digital Piano Black(UPB-85)

...d,from treble to bass keys gradually increase,gives you the real touch of playing on the grand piano..
✔[Multi-Function]:Feature sound volume adjustment,multi-tone selection,sound recording control,playback function,split,teaching function etc.Input and play MP3,built-in amplifier,support external sound or headphone to meet the needs of different occasions..
✔[Dynamic and Rich Sound]:The 88 key keyboard digital electric piano with 8 professionally crafted voices,let you enjoy the beauty of various instruments.With 128 polyphony and 32 demo songs,digital piano can provide super clear rendition,natural feeling of different sounds,perfect for teaching and learning..
✔[After-sales Guarantee]:Unconditional refund for quality problems,you can rest assured to buy our products..

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

Amplifys your voice and saves your throat. The sound is clear, crisp, no noise and no distortion. The max 10 watts sound can cover about 10000 sq.ft (1000 ㎡), loud enough to cover a big room..
Compact size (4.1 x 1.4 x 3.4 inches) and light weight (0.36 lb.). You can use the back clip to fix it on your belt or pocket. You can also use waistbelt to tie it around your waist or hang it on your neck..
Built in 1800 mAh rechargeable lithium battery. Continuously working time is up to 12 hours. You can use USB cable to charge this mini voice amplifier. Only needs 3-5 hours to fully charge it..
Supports MP3 audio playing: TF (Micro SD) card playing & USB flash drive playing. Can repeat single tune, loop all music and switch songs. Supporting 3.5mm AUX audio input (Mic port can be used as AUX port), can work as a wired speaker..
The wired headworn microphone is adjustable. You can adjust the distance between your mouth and the mic. Made of durable and wear-resistant ABS material, this voice amplifier looks fashion. Suitable for teaching, trainer, singer, coacher, tour guide, shopping mall, presentation, outdoor speech and etc. ..

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Voice Amplifier 12W Rechargeable PA System (1200mAh) with Wired Microphone for Teachers, Coaches, Tour Guide and More (Black)

Multifunctional portable loudspeaker with sound amplifying and digital music playing function, can be used as MP3 speaker, support TF card and USB disk function.
Using high power speaker the sound effect is clear and loud, amplifys your voice and saves your throat.
Comes with powerful rechargeable battery, offers you up to 12 hours of using time..
Small and exquisite, amplifier's size:85 x 85 x 33mm (3.3 x 3.3 x 1.3 inch), weight: 225g ,amplification function anytime and anywhere..
Widely used: Teaching, tour guide, sales promotion, lectures, meetings, morning exercise, dance, training and more.

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ZOWEETEK Voice Amplifier Microphone Lavalier Microphone Wired,Portable Clip Microphone with 3.5mm Audio for Voice Amplifier and AUX Audio Device

The clip-on microphone can make you more comfortable and enjoy.At the same time, this frequency of the voice amplifier microphone provides....
Ultra long design, cable up to about 6.36 ft, accessible to even though you are using monopod..
The 3.5mm lapel microphone can work compatible with Voice amplifiers, PA System,cameras and more..
The clip is small, light and strong. Very suitable for teaching,speaking, training, etc.Distance from the mouth of the most suitable microphone is....
The Lapel Microphone Wired can be fixed on the collar, It does not slip when clipped on,which looks very fashionable and beautiful..

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W WINBRIDGE Portable PA System, Bluetooth Speaker with Microphone, 2 Mic and Speaker Small, Wireless Voice Amplifier 25 Watts for Presentation,Teaching, Karaoke etc S92 Pro

The main pa speaker unit has a very good build quality, solid feel and well-made.Shiny black, good buttons for controlling and easy to reach. Very substantial. Easy to use, multiple input modes, and also works as a bluetooth speaker and karaoke machine (No Echo, Bass and Treble).
Wireless voice amplifier With two portable microphones that you can place the unit stay in the center of the room and transmit some distance from the unit.You will get around 50 ft! And U8 wireless mic can easy to split into headset and mini handheld models.Can adjust volume via pressing the "+" and "-" on the mike..
Spearker with microphone System provide a sound for meeting,teaching, training,outdoor activities like wedding,Yoga classroom even for tourist guide,elder and whisper etc.
You can link both the handheld microphone and the headset micropone at the same time. This would work well for teaching that kind of venue, portable pa speaker can help so much for some of your quieter kids to have their voices throughout the whole group,Kids will love to pass around the microphone and take turns speaking.The amplified sound helps all students, and especially enhances focus for your students with learning disabilites. It is loud and powerful!.

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Wireless Microphone Headset Kimafun 2.4G Wireless Microphone System Transmitter & Receiver Headset and Handheld 2 in 1 for Voice Amplifier Recording Speaking Online Chatting G100

✔ Comfortable Wireless Microphone: Suitable for Vlog,teaching,fitness instruction,public speech,trainers,stage performers,business....
✔ Plug and Play: Just turn on the transmitter and receiver power switches, the 2.4G headset microphone adopts international 2.4 GHz wireless....
✔ 2in1 Wireless Microphone System: The microphone can be used in two ways: used as a general headset mic, or remove the head bracket, it will become....
✔ Wide Compatibility: 2.4G wireless microphone with a free 3.5mm to 6.35mm adapter can be used with voice amplifier, large power speakers, portable....
✔ Rechargeable Wireless Headset Microphone: The wireless transmitter & receiver are powered by built-in Lithium batteries. They can be charged....

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ResponseBridge Lavalier Microphone Wireless&Wired Lapel Mic Set for Voice Amplifier Pa System Pa speaker Iphone Video Dslr Camera Recording ect Portable Clip On Rechargeable Transmitter with Receiver

High-quality Wireless lavalier microphone--The perfect matte surface has silk like touch feeling, magically resists dirt and annoying fingerprints.....
Long Working Time-- Wireless lavalier microphone system set built in newly upgraded 750 mAh rechargeable lithium-ion batteries, the transmitter and....
Widely Used-- Wireless lapel microphone system is very easy to use and carry, suitable for Video Camera, Podcast, Vlog, teaching, public speaking,....
Strong Compatibility-- For PA speaker and voice amplifier, please use wireless receiver which has 3.5mm(1/8'') or 6.35 mm(1/4'') plug, but if you....
What's Your Get-- 1*1/8"(3.5mm) Wireless Receiver.

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Wireless Lavalier Microphone, GoorDik Headset and Lapel Mic System with Rechargeable Bodypack Transmitter & Receiver, Best for iPhone, PA Speaker, DSLR Camera, PC, Recording, Teaching

...re, you can also get a Hot Shoe Base for fixing the receiver, four Wind Muffs (2 orange, 2 black) and a Charging Cable. There is a protective film on the transmitter, if there are scratches on it, please remove it..
Wide Compatibility: The universal 1/4" plug on the receiver can work with Mixer, PA speaker and Audio Amplifier. Connect the 3.5mm TRRS adapter cable, you can use them on smartphone, iPad and laptop with microphone and headphone combo jack. Connect the 3.5mm TRS adapter cable, you can use them on camera and PC with separate microphone and headphone jack. This wireless lavalier mic is not suitable for Bluetooth Speakers and for Macbooks..
Professional Audio Performance: 2 microphones in the package help you cope with any situation easily. The omnidirectional lavalier microphone can sensitively capture your voice, and will never miss your charming voice. In some occasions with extremely high requirements for sound, such as public speaking, yoga teaching, etc., the headset microphone will be your best choice. It can effectively filter environmental noise, make your voice clearer and more real..
32 Channels And Easy To Use: This wireless lapel microphone has 32 selectable channels. When there is frequency interference in the environment of use, ....

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PROZOR 192kHz Digital to Analog Audio Converter with 5.0 Bluetooth Receiver,Optical to RCA Converter with Volume Adjustable, Optical Coaxial Bluetooth Digital Audio to Stereo Analog RCA & 3.5mm

【DAC with Bluetooth Receiver】It converts optical, coaxial and Bluetooth-transmitted digital audio input to stereo analog RCA & 3.5mm audio output when connected to the amplifier. (Audio Formats: PCM/LPCM ).
【Latest 5.0 Bluetooth Version】Built-in Bluetooth receiver module, supports mobile phone Bluetooth audio push, Bluetooth 5.0 lossless transmission technology.
Bluetooth dedicated antenna for stable signal transmission.
【192kHz & Volume Adjustment】Built-in high-performance DAC chip, supports 192K/24bit sampling rate, help users solve the problem of connecting different audio interfaces to analog amplifiers..
【Ultra Performance】Automatically switch to Bluetooth playback mode after successful Bluetooth connection.
【Application】Suitable for home theater, teaching, training structure, conference rooms, appliance stores and other places..

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PROZOR 192k Digital to Analog Audio Converter with Bluetooth 5.0 Receiver Digital Toslink Optical to 3.5mm, Coaxial Toslink to Analog Stereo L/R RCA 3.5mm Audio Adapter

PROZOR Digital to Analog Converter: Supports optical, coaxial, bluetooth-transmitted digital audio signals into stereo analog RCA & 3.5mm audio output when connected to the amplifier..
Latest 5.0 Bluetooth Receiver: Built-in Bluetooth receiver module, adopts the latest Bluetooth version 5.0 lossless transmission technology, supports mobile device Bluetooth connection..
High Performance: Built-in high-performance DAC chip, supports 192K/24bit sampling rate. Adopts Bluetooth dedicated antenna for stable signal transmission, adopts personalized status indicator..
Ultra Low Power Consumption: Automatically switch to bluetooth playback mode after successful bluetooth connection.
Power ON/OFF Switch, long press 3 seconds to turn off, short press to turn on..
Application: Input: one optical and one coaxial , Output: one RCA and one 3.5mm audio, for home theater, teaching, training structure, conference rooms, appliance stores and other places..

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