SHIDU Bluetooth Voice Amplifier Speaker, Portable Waterproof Voice Amplifier with Microphone Headset Set 18W 4400mAh Rechargeable Microphone and Speaker Set for Teachers,Coaches,Outdoors Speech
❀【New upgraded technology】Bluetooth 5.0 EDR chip, singnal transmission more fast and stable.
Stylish, ergonomic and comfortable design.
Support AUX --- can connect with PC and work as speaker..
❀【Powerful Sound 】The voice amplifier is in compact size, but with 18W output crystal sound and no noise is loud enough to cover a room with a large group of 400 people. The stable performance perfect for amplifying your sound and saving your throat..
❀【Waterproof Design】IPX5 waterproof can resist gentle water spray and splash.Featuring a smooth Anti-fingerprint fabric design rubber exterior that protects the pa speaker system from scratches and impact, Ultra-portable voice amplifer Loudspeaker for travel & hiking & beach &pool &bathroom and more outdoor activities..
❀【Adjustable Microphone Headset】 -The microphone headset is lightweight and adjustable.You can adjust the distance between the microphone and mouth with its flexible gooseneck.Comfortable design makes it convenient for your teaching, training, presention and other activies..
❀【Warm Tips and Guarantee】 -Please keep the speaker and mic for a distance and facing away each other to avoid the signal affected.Worry -....
Math Workbook GREATER THAN OR LESS THAN 100 Worksheets Grades 1-3
Package includes: you will receive 3 dinosaur magnetic teaching aids, sufficient quantity to meet your various teaching needs and create an effective teaching environment.
Proper size: each greater than or less than teaching tool measures 7.5 x 6 inch, which is large enough to be seen even by students sitting in the back row.
Quality material: this teacher demonstration tool is made of quality material, with laminated surface, durable and reliable, they meet the standards of mathematics products, will serve you for a long time, you and your students can use it with confidence.
Adorable design: this teaching aid is designed with the characteristics of dinosaurs to add fun to the boring classroom, attract children's attention, stimulate children's interest in learning, make the math concepts of greater than or less than easier for children to accept, and reduce learning worries.
Wide range of use: you just need to put the magnet dinosaur presentation tool on the blackboard and let different students move it to find the correct answer, so that they can understand the mathematical concept of greater than or less than.
This is not only a good method for group learning, but also adds fun to your classes.
...m consists of (1) active subwoofer, (1) passive subwoofer, (2) 4x4-inch array speakers(totally eight speakers), (2) speaker stands, (1) 30-feet speakon cable, (6) 8-inch 6.35mm cables,(1) 6-feet 6.35mm cables, (1) 33-feet 6.35mm cables, (1) remote control and (1) user manual. The active subwoofer features a 12-inch amplifier and streams music to the passive speaker and line array speakers, to deliver music to all audiences..
★ WIRELESS CONNECTION & OPERATION: Instantly pair with iPhone,iPod, iPad, android devices, etc with line of sight of up to 66 feet. You can also use the remote control to switch mode, play/pause, switch to previous/next song, increase/decrease volume from up to 20 feet.
Telescoping speaker pole to adjust the pa system from 65 inch to 80 inch. Use side handles to lift and transport the subwoofers conveniently..
★HUGE COMPATABILITY & VERSATILE CONNECTIONS: The powered system set features BLUETOOTH/USB DRIVE/SD CARD functions. Simply insert USB drive/SD CARD to playback songs. Versatile 4-channel mono & stereo inputs (two mono XLR inputs for microphone or line-level source, one stereo 6.35mm input and one stereo RCA input) and one s....
...m consists of (1) active subwoofer, (1) passive subwoofer, (2) 4x4-inch array speakers(totally eight speakers), (2) speaker stands, (1) 30-feet speakon cable, (6) 8-inch 6.35mm cables,(1) 6-feet 6.35mm cables, (1) 33-feet 6.35mm cables, (1) remote control and (1) user manual. The active subwoofer features a 12-inch amplifier and streams music to the passive speaker and line array speakers, to deliver music to all audiences..
★ WIRELESS CONNECTION & OPERATION: Instantly pair with iPhone,iPod, iPad, android devices, etc with line of sight of up to 66 feet. You can also use the remote control to switch mode, play/pause, switch to previous/next song, increase/decrease volume from up to 20 feet.
Telescoping speaker pole to adjust the pa system from 65 inch to 80 inch. Use side handles to lift and transport the subwoofers conveniently..
★HUGE COMPATABILITY & VERSATILE CONNECTIONS: The powered system set features BLUETOOTH/USB DRIVE/SD CARD functions. Simply insert USB drive/SD CARD to playback songs. Versatile 4-channel mono & stereo inputs (two mono XLR inputs for microphone or line-level source, one stereo 6.35mm input and one stereo RCA input) and one s....
Mini Bluetooth Home Audio Stereo Amplifier Receiver, 2×80W 2.1 Channel Digital Class D Integrated Amp for Home Speakers with DAC 24-Bit 192KHz Optical Coaxial AUX Headphone Line Out Jack
Excellent Performance: 80W+80W 2.1 channels allow our amplifier to output higher quality sound. Our mini bluetooth amplifier has a built-in professional-grade 24-Bit 192Khz DAC to ensure the sound has perfect fidelity. The line out interface can also help the amplifier to connect powered subwoofer and powered speakers..
Bluetooth 5.1 Core: The built-in Bluetooth 5.1 chip of the amplifier can bring you faster audio data transmission speed. In addition, it provides you with a longer Bluetooth connection distance while ensuring that you can connect to the power amplifier stably..
Optical&Coaxial Interface: Amplifier is equipped with the most popular coaxial and optical interface. The coaxial interface can effectively improve the fidelity of audio data. The optical fiber interface has the fastest audio data transmission speed, and the transmission distance is long and stable..
Treble&Bass Control: The treble and bass knobs of the amplifier are controlled by a separate professional treble and bass chip. (Bass adjustment range: +-14dB Treble adjustment range: +-8dB), Aluminum alloy material and non-slip design ensure smooth use of the knob..
Professional Line Out&Headphone Output: Amplifier has a built-in professional amplifier headphone chip that can drive 16....
RockvilIe 1000 Watt Home Theater Bluetooth Receiver+(4) 3.5' Black Cube Speakers
Package Includes: (1) RockvilIe RPA60BT 19" 1000w 2-Ch USB Bluetooth DJ/Pro/Karaoke Amplifier Mixer. (2) Cube by RockvilIe Pair of 3.5" Black Home Theater Wall Speakers+Swivel Brackets. : RPA60BT Receiver. Rack Ears (Detachable). (1) Remote Control. (1) AC Power Plug. Owners Manual. AC Power Plug. Antenna. Warranty Card. Features: RockvilIe RPA60BT 19" 1000 Watt 2-Channel USB and Bluetooth Karaoke Receiver/Amplifier/Mixer.
19" rack mountable (removable rack brackets) digital hybrid amplifier/receiver. RMS Power @ 4 Ohms: 125w x 2. Peak Power @ 4 Ohms: 500w x 2. RMS Power @ 8 Ohms: 100w x 2. Peak Power @ 8 Ohms: 400w x 2. THD: > 0.1%. Input Sensitivity: 400mv/33 KOhm. Frequency Response: 20 Hz - 20 kHz. Signal to Noise Ratio: 80 dB. Tone Characteristic: 100Hz-10KHz 12dB. 110v/220v Switchable. Inputs: lpod/MP3 - 1/8 Mini Jack Style, 1/4 Headphone Jack, 1/4" Mic 1 and Mic 2 Inputs, USB Input.
Rear Inputs:RCA Input for DVD or CD. Rear Outputs: Preamp output for an external additional amplifier or powered speaker Sub preamp output to connect a powered subwoofer or an amplifier. Preamp output for an external additional amplifier or powered speaker. Sub preamp output to connect a powered subwoofer or an amplifier. Record output to connect a recording device. ....
Universal RCA Level Controller Car Amplifier Audio RCA Amplifier Gain Level Bass Amplifier Volume Control Knob Sub Amp Volume Control Cable for Car, Motorcycle, Speakers, Home Theater(2022 Version)
This RCA amplifier controller offers high-quality signal transmission with RCA composite cables.Made from high quality materials and metal for optimal signal transfer.Adds subwoof level control to any head unit. Perfect for balancing the system to change music style.
Simple Connection: the Rca Volume Control RCA output connector to the car stereo and the input RCA connector to the device, no additional wires are required. With RCA composite cables,this amplifier controller offers high-quality signal transmission.Adds subwoof level control to any head unit or balances a multiple amplifier installation.
RCA amplifier is control the gain level / volume of devices connected to the car stereo, such as speaker, amplifier, bass, etc. Dash Mount Amplifier Level Control for Volume Adjustment. dash mount rca amplifier level control is used to adjust amplifier gain, power level, stereo, equalizer or crossover volume when you driving.
Perfect for balancing the system to change music styles, control your sub-woofer output, you can set the subwoofer on maximum gain and then vary the knob to taste as per genre or media good fit for Car, Motorcycle, Speakers, Home.Stereo RCA input and output. Simple in and out connections,no additional wiring needed.Mini size easy to i....
Orion Cobalt 4 Channel Amplifier – Class A/B Multichannel Amplifier 2250W RMS 4500W Max Car Electronics Car Audio Stereo Subwoofer 2 Ohm Stable Bass Boost MOSFET Amplifier for Car Speakers Sub Amp
Features – The 4 channel bass boost amplifier has features like - Frequency Response: 10HZ-30KHZ, Remote Bass Knob, 2-way protection, hi/low pass crossovers, hi/low level inputs, MOSFET Power Supply, Thermal Protection, Gain Control, 2 Ohm Stable.
Class A/B – This multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier has a high amount of current flowing in its output while Class b amplifier has no current flowing..
Quality - This Class A/B 4 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent place. Durable design and highly efficient performance makes this subwoofer amp for car speakers stand out amongst the others..
Power – This Class A/B 2500 watt Amplifier has a power rating distribution as followed 1125 X 4 MAX @ 2 OHMS. The 4 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design..
Low/High Level Inputs – The multichannel amplifier for car speakers come with low/high level inputs. A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers.
Wireless PA System with Wireless Headset Microphone Lavalier Lapel Microphone Transmitter, 30W Wireless Voice Amplifier Portable Rechargeable Bluetooth Loudspeaker Speaker for Teacher Gifts
Powerful and Clear. The wireless voice amplifier can also be a wireless loudspeaker, makes your voice reach 1500㎡. You can easily to pair the speaker and microphone, and PAIRING METHOD is ON the user manual or you can refer to product description. But please do not point the wireless microphone to the voice amplifier wireless with Bluetooth, otherwise it will produce static sound..
Rechargeable PA System with Long Battery Time. This is a rechargeable voice amplifier with a built-in 3600mah battery. After fully charged, The voice amplifier with speaker can play music for 6-8 hours or amplify voice for 8 hours, the wireless microphone headset can last for 4-6 hours, the transmitter can last for 4-6 hours, nice voice amplifier for teachers, instructors, outdoors, yoga.
UHF Microphone Supports. Switch to UHF mode and pair the voice amplifier with wireless headset microphone, lapel microphone, and stand microphone, you could use whichever you want. Warm Tips, The transmitter is used with the lapel microphone or the stand microphone, and only one microphone can be used with the voice speaker at the same time, which means if you have paired the headset, you can not use the transmitter, that you can not use lapel microphone or stand microphone.
DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp),Bluetooth Amp
tpa3116 amplifier 100W Subwoofer Amplifier Board.
Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz.
tpa3116 2x50w amplifier board Operating voltage range: DC 12-24V(maximum voltage is no more than 24V).
This is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board..
bluetooth amplifer board DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output.
