ReviewsClassroom Amplifier

Voice Amplifier, SHIDU S18 Voice Amplifier 10W Rechargeable Portable PA System Speaker with Wired Microphone Headset for Teachers, Tour Guides, Coaches, Presentations, Costumes

  • ¡¾SHIDU Original Voice Amplifier¡¿ - The S18 voice amplifier is not only a personal voice speaker which with supper 10W output, provides a clear, natural and crystal voice, sounds coverage up to 20000sq.ft and ideal for a group of 50-150 people. But also a MP3 player which supports TF card & U disk and work as a speaker for computer, laptop, iPad or phone with Aux audio input..
  • ¡¾Rechargeable Voice Amplifier¡¿ - Portable voice amplifier built-in a 2000mAh big lithium battery, you can use it for 12 to 15 hours (MIC mode), 8 to 10 hours (musical mode) with a fully charged battery, amplifier charging time is 3-5 hours..
  • ¡¾Mini Portable Voice Amplifier¡¿ - It is small in size and lightweight, can be easily tucked around your waist or worn around your neck with the help of the belt or waistband that comes along with the package, very easy to carry. Operation is straight forward, just plug in the headset and turn on the voice amplifier..
  • ¡¾Voice Amplifier with Comfortable wired Headset Microphone¡¿ - This mini voice amplifier comes with wired headset microphone which can be positioned near your mouth with its flexible gooseneck design. Super light and comfortable, can stay on your head well, doesn't dig into your scalp..
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The Night Orion Fell A Survival Story

  • Features – The 2 channel bass boost amplifier has features like - Frequency Response: 10HZ-30KHZ, Bass Boost, Remote Bass Knob, Gain Control, 2-way....
  • Class A/B – This Orion Cobalt multichannel subwoofer amplifier exhibits a Class A/B topology. In the presence of no audio signal, Class A Amplifier....
  • Quality - This Class A/B 2 channel amplifier exhibits quality frequency response rates and crossover network which places this amp at a prominent....
  • Power – This Class A/B 1500 Watt Amplifier has a power rating distribution as followed 2250 X 2 MAX @ 2 OHMS, 1125 X 2 MAX @ 4 OHMS. The dual....
  • Low/High Level Inputs – The multichannel subwoofer amplifier for car stereo speakers come with low/high level inputs. A low level (RCA) input is....
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Orion Ztreet 2 Channel Car Amplifier – Class A/B Stereo Power Amplifier 2000 Watt Max 2 Ohm Stable Bass Boost Crossover MOSFET Power Supply Car Electronics Amp Audio Speakers Great for Subwoofers

  • Class A/B – This multichannel subwoofer amplifier for car stereo 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 2 channel car amplifier for subwoofers 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 2000 Watt Car Amplifier has a power rating distribution as followed 140x2 RMS @2 Ohms, 50x2 RMS @4 Ohms. The 2 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.
  • Crossovers- The Orion Ztreet Multichannel Car Amplifier for car audio subwoofers offers you the ease of connectivity by providing the feature of crossover. The 2 channel car amplifier provides you ....
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Orion Ztreet 2 Channel Car Amplifier – Class A/B Stereo Power Amplifier 3000 Watt Max 2 Ohm Stable Bass Boost Crossover MOSFET Power Supply Car Electronics Amp Audio Speakers Great for Subwoofers

  • Class A/B – This multichannel subwoofer amplifier for car stereo 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 2 channel car amplifier for subwoofers 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 3000 Watt Car Amplifier has a power rating distribution as followed 160x2 RMS @2 Ohms, 60x2 RMS @4 Ohms. The 2 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.
  • Crossovers- The Orion Ztreet Multichannel Car Amplifier for car audio subwoofers offers you the ease of connectivity by providing the feature of crossover. The 2 channel car amplifier provides you ....
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Orion Ztreet 4 Channel Car Amplifier – Class A/B Stereo Power Amplifier 2500 Watt Max 2 Ohm Stable Bass Boost Crossover MOSFET Power Supply Car Electronics Amp Audio Speakers Great for Subwoofers

  • Class A/B – This multichannel subwoofer amplifier for car stereo 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 car amplifier for subwoofers 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 Watts Car Amplifier has a power rating distribution as followed 280x4 RMS @2 Ohms, 50x4 RMS @4 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.
  • Crossovers- The Orion Ztreet Multichannel Car Amplifier for car audio subwoofers offers you the ease of connectivity by providing the feature of crossover. The 4 channel car amplifier provides you....
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Orion Ztreet 4 Channel Car Amplifier – Class A/B Stereo Power Amplifier 1500 Watt Max 2 Ohm Stable Bass Boost Crossover MOSFET Power Supply Car Electronics Amp Audio Speakers Great for Subwoofers

  • Class A/B – This multichannel subwoofer amplifier for car stereo 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 car amplifier for subwoofers 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 1500 Watts Car Amplifier has a power rating distribution as followed 200x4 RMS @2 Ohms, 40x4 RMS @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.
  • Crossovers- The Orion Ztreet Multichannel Car Amplifier for car audio subwoofers offers you the ease of connectivity by providing the feature of crossover. The 4 channel car amplifier provides you....
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Orion Ztreet 2 Channel Car Amplifier – Class A/B Stereo Power Amplifier 5000 Watt Max 2 Ohm Stable Bass Boost Crossover MOSFET Power Supply Car Electronics Amp Audio Speakers Great for Subwoofers

  • Class A/B – This multichannel subwoofer amplifier for car stereo 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 2 channel car amplifier for subwoofers 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 5000 Watt Car Amplifier has a power rating distribution as followed 330x2 RMS @2 Ohms, 105x2 RMS @4 Ohms. The 2 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.
  • Crossovers- The Orion Ztreet Multichannel Car Amplifier for car audio subwoofers offers you the ease of connectivity by providing the feature of crossover. The 2 channel car amplifier provides you....
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Precision Power E.7 1/2 DIN 7-Band Parametric Equalizer with LED Display

  • QUALITY - This Class D Monoblock 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 mono sub amp stand out amongst the others..
  • 1 Ohm Stable - This SPL Audio Subwoofer Amplifier is able to power loads of 1 Ohm on a continuous basis without facing any difficulties like overheating, making extra sounds. This Class D amplifier is designed to power subwoofers that have a constant demand of high power in order to operate effectively..
  • Features – The monoblock bass boost amplifier has features like - Frequency Response: 15~150HZ, Bass Boost, SNR: >105DB, Remote Bass Knob, 2-way protection, Input Sensitivity: 200mV to 6V and THD:.
  • Power – This Class D 3000 Watt Amplifier has a power rating distribution as followed 1500 X 1 @ 1 OHM, 1000 X 1 @ 2 OHMS, 700 X 1 @ 4 OHMS. The monoblock amplifier for car speakers also provides a 2-way protection circuitry as a part of its design..
  • Crossovers- The SPL Monoblock Car Amplifier offers you the ease of connectivity by providing the feature of crossover. The monoblock car amplifier provides you with options of variable 50-400hz 12db low pass crossover, variable 17-50hz 12db subsonic crossover, ....
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SHIDU Voice Amplifier with Wired Headset Microphone Mini Loudspeaker,Waistband, 15W Rechargwable PA System amp for Teachers,Coaches,Training,Presentation,Tour Guide,Fitness (S511)

  • ¡¾SHIDU Original Voice Amplifier¡¿ - The S511 voice amplifier is not only a personal voice speaker which with supper 15W output, provides a clear, natural and crystal voice, sounds coverage up to 20000sq.ft and ideal for a group of 50-150 people. But also a MP3 player which supports TF card & U disk and work as a speaker for computer, laptop, iPad or phone with Aux audio input..
  • ¡¾Rechargeable Voice Amplifier¡¿ - Portable voice amplifier built-in a 2000mAh big lithium battery, you can use it for 12 to 15 hours (MIC mode), 8 to 10 hours (musical mode) with a fully charged battery, amplifier charging time is 3-5 hours..
  • ¡¾Mini Portable Voice Amplifier¡¿ - It is small in size and lightweight, can be easily tucked around your waist or worn around your neck with the help of the belt or waistband that comes along with the package, very easy to carry. Operation is straight forward, just plug in the headset and turn on the voice amplifier..
  • ¡¾Voice Amplifier with Comfortable wired Headset Microphone¡¿ - This mini voice amplifier comes with wired headset microphone which can be positioned near your mouth with its....
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HW HAOWORKS 18W Wireless Bluetooth Waterproof Voice Amplifier Portable Headset Microphone with Speaker Small Personal Microphone for Teachers, Outdoors

  • POWERFUL Microphone and Speaker: The portable voice amplifier comes with a WIRELESS headset microphone. UHF wireless transmission technology, 15m/50ft stable wireless connection at open area. The uhf wireless voice amplifier gives you complete freedom to walk around the room. Super 18W output, Sound covers 10000 sq.ft (1000 ㎡), Allows you to project your voice across a group of 20 to 65 people clearly and loudly. Ideal for MEDIUM-SIZED or SMALL room use..
  • RECHARGEABLE Headset Speaker: The personal voice amplifier lasts a long time (8-12 hours).
  • but wireless headset microphone lasts only 2-4 hours. f you need to use the item for a long time, we suggest you choose the wired version. Or you can buy an extra wired microphone or a 3.5mm lapel mic to go with it..
  • ALL-IN-ONE Voice Amplifier, Bluetooth Pa Speaker, Karaoke Microphone: 1. You can easy stream the music from your Bluetooth-enabled devices like Phone, Tablet via Bluetooth and Non-Bluetooth device via Aux input. 2. The Bluetooth voice amplifier supports microphone input and music play simultaneously. 3. Also supports TF Card, U Disk and Recording function. 4.What is more, you can use this personal amplifier as a karaoke microphone to singing along..
  • PORTABLE & DURABLE: Compact size 4.57"(Height) *3....
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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....
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