Best 4 Professional Amplifier

Precision Power SPL 4 Channel Car Amplifier – Class A/B Multichannel Amplifier 2000 Watt Car Electronics Audio Subwoofer 2 Ohm Stable Bass Boost Crossover MOSFET Power Supply for Car Speakers Sub Amp

  • Features – The 4 channel bass boost car amplifier has features like - Frequency Response: 15-20KHZ, THD: < .05%, Bass Boost, SNR: 105DB, Remote Bass Knob, 2-way protection, hi/low pass crossovers and Input Sensitivity: 200mV-6V.
  • 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 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 2000 Watt Car Amplifier has a power rating distribution as followed 250x4 @2 Ohms, 180x4 @4 Ohms, 500x2 @4 Ohms. The 4 channel amplifier for car speakers also provides a 2-way protection circuitry as a part of its design..
  • Crossovers- The SPL Multichannel Car Amplifier offers you the ease of connectivity by providing the feature of crossover. The 2 channel car amplifier provides you with options of variable 60-1.2kHz 12db high pass crossover, variable 50-400Hz 12db low pass crossover ....
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Matched Pair 7-Pin GE JAN 5654W Vacuum Tubes Upgrade for 6AK5/6J1/6Ж1/ EF95/6J1P

  • About Tube + Transistor Hybrid amplifier: Front tube amplifier and rear transistor combine the advantages of two amplifier circuits to achieve the....
  • Tube Amplifier :Adopt four 6J1 tubes for pre amp, making voice sweet and exquisite..
  • Transistor for Class-A amplifier: Adopt transistors for class A buffer, output power up to 2000mW, can easily drive many kind headphones..
  • XLR and 4. 4mm balanced input/output: It has XLR and 4.4mm balanced input, 4-pin XLR and 4.4mm balanced output, rich and diverse interfaces,....
  • Built-in Mute Circuit: It built-in relay for mute circuit when turn on amplifier to avoid POP noise and make sure the tube is worked at its best....
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ANNTLENT Cell Phone Signal Booster for Car Auto RV Truck 5 Bands, Apply to All U.S. Carriers | Verizon AT&T Sprint | Amplifies 4G LTE 3G 2G Signal

  • 【Faster network speed】 cell phone signal amplifier, amplify 4G/3G/2G signal, the network is smoother, and the answering call is clearer..
  • 【Applicable frequency band】 ANNTLENT 5-band car mobile phone signal amplifier, suitable for most frequency bands in the United States. Including Band2/4/5/12/17/13 (700A/700V/850/1700/1900MHz)..
  • 【Working principle】 The mobile phone signal amplifier uses an outdoor antenna to receive outdoor signals, It can only amplify signals, but cannot generate signals. Therefore, your outdoor signal needs to be stabilized at more than two bars..
  • 【Advanced function】 Automatically adjust the system gain and power level to obtain the best effect.When the output signal is too strong or self-oscillated, the booster will automatically adjust to best condition..
  • 【Manufacturer Warranty】- FCC Certification. ANNTLENT provides Professional Technical Support.
  • 5 Years Free Repairs for the booster host..
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BOSS Audio Systems PT1600 2 Channel Car Amplifier - 1600 Watts, Full Range, Class A/B, 2-8 Ohm Stable, Mosfet Power Supply, Bridgeable

  • ...– Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels.
  • Specs – Dimensions 14” x 10 3” x 2 3” Weight 9 lbs.
  • – BOSS Audio Systems provides a powerful 6 year Platinum Online Dealer so long as the purchase is made through We strongly encourage professional installation of this product to ensure proper and safe functionality.
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Gemini GPA-2500 3000W Professional DJ Power Amplifier

  • CLEAN AND DEPENDABLE AMPLIFICATION: This Gemini GPA-2500 Professional Power Amplifier Provides Clean and Reliable Amplification Without Any Clipping, Featuring a Rugged Design with 2000 Watts of Peak Power..
  • PERFECT DIMENSIONS: The Power Amplifier Measures 8” inches L x 5” inches W x 12” inches H and Weighs 17.6 lbs. Made of Durable and Lightweight Metal Chassis..
  • RUGGED DESIGN: Features a Durable Metal Construction with Safety Thermal and Short Circuit Protection for Reliability Even on Adverse Conditions on the Stage. Comes with Front-to-Rear Airflow Fans..
  • PURE PERFORMANCE: Features A Frequency Response Of 10Hz-50kHz at 1.5dB, Total Harmonic Distortion of Less Than 0.1%, and Input Sensitivity and Impedance of 0.77v. This is Designed to Deliver Pure and Consistent Wattage Everytime..
  • Features XLR and 1/4-inch Jack Balance, Stereo and Mono Bridge, Comprehensive Front Panel Indicators (Including Signal, Clip, Protect, and Bridge), and a Bridge Control Switch..
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Gemini GPA-6000 5000W Professional DJ Power Amplifier

  • CLEAN AND DEPENDABLE AMPLIFICATION: This Gemini GPA-6000 Professional Power Amplifier Provides Clean and Reliable Amplification Without Any Clipping, Featuring a Rugged Design with 5000 Watts of Peak Power..
  • PERFECT DIMENSIONS: The Power Amplifier Measures 8” inches L x 5” inches W x 12” inches H and Weighs 25.3 lbs. Made of Durable and Lightweight Metal Chassis..
  • RUGGED DESIGN: Features a Durable Metal Construction with Safety Thermal and Short Circuit Protection for Reliability Even on Adverse Conditions on the Stage. Comes with Front-to-Rear Airflow Fans..
  • EXTREME PERFORMANCE: Features A Frequency Response Of 10Hz-50kHz at 1.5dB, Total Harmonic Distortion of Less Than 0.1%, and Input Sensitivity and Impedance of 0.77v. This is Designed to Deliver Pure and Consistent Wattage Everytime..
  • Features XLR and 1/4-inch Jack Balance, Stereo and Mono Bridge, Comprehensive Front Panel Indicators (Including Signal, Clip, Protect, and Bridge), and a Bridge Control Switch..
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Home Audio Power Amplifier System 2X40W Mini Dual Channel Sound Stereo Receiver Box w/ LED For Amplified Speakers, CD Player, Theater via 3.5mm RCA for Studio, Home Use Pyle PCA2 Black

  • 2x40 WATT Power: The Pyle dual channel audio amplifier is perfect for your home theater acoustic sound system.
  • Gives you 2x40 watts peak power which can be used for speakers w/ 4 8 ohms impedance, enjoy high quality music and movies.
  • Multiple Sources: This small personal portable digital amp box lets you connect external audio sources such as a tuner, CD DVD player, tape deck, camcorder, VCR to the RCA (L/R) line input and enjoy enhanced amplified acoustic audio reproduction.
  • Led Indicator: The mini professional Integrated stereo receiver features LED indicator light above the power switch to indicate power is turned ON.
  • The unit also offers built in short circuit and power surge protection for safe usage.
  • Push type Speaker Terminal: It lets you easily connect speaker wires directly to the amplifier.
  • The speaker impedance ranges from 4 to 8 Ohms for the general stereo output.
  • The total speaker impedance must be at least 4 Ohm per channel at stereo mode.
  • EQ Controls: The improved indoor smart compact bookshelf speaker sound amplifier Ffatures crisp and responsive buttons for the power switch.
  • It also features rotary knob controls for the master volume, bass, treble adjustments.
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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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Home Bluetooth Audio Power Amplifier 2X120 Watt - Portable 2 Channel Surround Sound Stereo Receiver w/ USB - Amplified Subwoofer Speaker, CD DVD, MP3, iPhone, Phone, Theater, PA System - PTAU45

  • ...impedance, enjoy high quality music & movies.
  • MULTIPLE INPUTS: This personal portable digital amp box supports various external sources 3 3.5mm AUX for tuner, CD DVD, MP3, computer, iPad, iPhone & cell phone, 1/4" mic in & 1/4" headphone jack input. Also features a REC RCA output for recording.
  • PAGER/MIXING MODE: The professional integrated stereo receiver features pager & mixing switch. In pager mode, the signal from the microphone will override to auto talkover, use for hosting & meetings. Switch to mixing mode for a fun karaoke session. Dimensions (W x H x D): 8.2x 6.6x 2.8 inches.
  • USB 2.0 INPUT: It features a USB input to support flash drives or similar USB devices w/ LED indicator beside the port. It allows you to play your favorite audio files from your computer's media library when you connect it directly to the amplifier. Rated power input 750mV.
  • EQ CONTROLS: The improved compact bookshelf sound amplifier features crisp & responsive buttons for power switch, MP3 controls previous, next, play/pause & rotary knob controls for input select, MIC, master, balance, bass & treble volume controls.
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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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