Top Transimpedance Amplifier Reviews

SHCA Colored BASS KNOB with Leads (Blue)

  • 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.
  • 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.
  • 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 installation by DIY without manuals.
  • 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....
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Hifonics 4 Channel Car Amplifier – Class A/B Gemini Series Multichannel Amplifier 1400 Watt Car Electronics Audio Subwoofer 2 Ohm Stable Bass Boost MOSFET Power Supply for Speakers Sub Amp

  • Power – This Class A/B 1400 Watt Car Amplifier has a power rating distribution as followed 350x4 @2 Ohms, 175x4 @4 Ohms. The 4 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design..
  • Features – The 4 channel bass boost car amplifier has features like - Frequency Response: 10-22KHZ, Bass Boost, Remote Bass Knob, 2-way protection, variable low pass crossover: 40Hz-300Hz, variable high pass crossover: 40Hz-300Hz, subsonic filter:10Hz-40Hz, phase shift:0-180 degree, and ultra-fi mosfet power supply.
  • Class A/B – This multichannel subwoofer car 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 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..
  • RCA Ports - The RCA Jacks in this bass boost car amplifier allows you to develop multiple amplifier systems without using any splitter cords. The subwoofer amplifier thus puts you at ease....
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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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Portable Personal Waterproof Voice Amplifier Wired Headset Microphone Small Bluetooth Pa Speaker 18W Rechargeable Wearable Mic System for Teachers or Outdoors (Wired Version)

  • LOUD Sound and LONG Working Time: The portable voice amplifier comes with a WIRED headset microphone. 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 classroom or outdoors. Rechargeable voice amplifier lasts for up to 12 hours playtime after fully charge. And it only takes 3-5 hours to fully charge..
  • 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 playing 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 sing along..
  • WATERPROOF & DURABLE: IPX5 waterproof voice amplifier with TPU unbreakable silicone + durable ABS material, ensuring amplifier shockproof and waterproof. Even if you accidentally drop it to the ground, don't worry that it will break. ( NOTED: The headset microphone is NOT waterproof ).
  • PORTABLE and EASY to CARRY: Compact size 4.57"(Height) *3.66" (Width) * 1.65" (Thickness) and light weight (0.86 lb).It comes ....
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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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