Car Stereo Amplifier 4-Channel Nearby2024-01-28T16:45:18-04:00

Car Stereo Amplifier 4-Channel Nearby

FOR SALE - Chevy Silverado Audio Systems & Electronics

Thank you for visiting ThunderElectronics.Net an online car audio store offering a wide selection of everything from car speakers, car amps and car stereos to MP3 decks and subs. If you like music you are aware that OEM car audio equipement leaves a lot to be desired. Here is where we come in. Our customers is stereo enthusiast who like to work in his/hers vehicle. We put a lot of effort researching the products we offer so that you have the easiest car audio installation experience and a top notch car stereo system you can be proud of and your friends would want to purchase. At Thunder Electronics we know that when searching for Car Stereo Amplifier 4-Channel Nearby you have many choices. Since 2020 the number of mom-and-pop stores offering car audio and eletrconics has diminished a lot. Thunder Electronics may not be the largest, we are simply a small business trying to earn the business of anyone looking for Car Stereo Amplifier 4-Channel Nearby. So, before you Google car crossover at Sonic Electronix take a look at our offering. Know that thousands of car stereo enthusiasts visit electronics.net every day looking for things like car audio subwoofers for a reson. Whether you are searching for Car Stereo Amplifier 4-Channel Nearby or 8-Inch Car Subwoofer we are sure you will fulfilled with the seletion at our website. For the best selection on car audio amplifier monoblock and fast expedited shipping, and no games you can count on Thunder Electronics.

Car Stereo Amplifier 4-Channel Nearby Bestsellers

SaleBestseller No. 1
BOSS Audio Systems PV3700 5 Channel Car Stereo Amplifier – 3700 High Output, 5 Channel, 2/4 Ohm Stable, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, for Subwoofer
1,953 Reviews
BOSS Audio Systems PV3700 5 Channel Car Stereo Amplifier – 3700 High Output, 5 Channel, 2/4 Ohm Stable, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, for Subwoofer...
  • Power - 550 Max x 4 @2-Ohms, 275 Max x 4 @4-Ohms, 1100 Max x 2 Bridged @4 Ohms
  • Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
  • Variable Bass Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)
  • Specs - Dimensions: 17” x 10.31” x 2.25”, Weight: 12.53 lbs., Speaker Impedance: 2 to 8 Ohm, THD @ RMS Output: 0.01%, S/N Ratio: 103 dB, Frequency Response: 9 Hz to 50 kHz, Fuse Quantity: 2 40 Amp...
Bestseller No. 2
Taramps TS 400x4 400 watts RMS 4 Channels Full Range Car Audio Amplifier, 2 Bridged Channels, RCA Input Class D, Output Power, Multichannel Amplifier System, Small - TS400X4
623 Reviews
Taramps TS 400x4 400 watts RMS 4 Channels Full Range Car Audio Amplifier, 2 Bridged Channels, RCA Input Class D, Output Power, Multichannel Amplifier System, Small - TS400X4...
  • The Taramps TS line has Multichannel amplifiers, being Full Range amplifiers with 4 channels, and are also amplifiers with high power and cost-benefit
  • The TS 400x4 has 400 Watts RMS at 2 Ohms. As a versatile multichannel amplifier, this powerful amplifier offers the flexibility of bridged connections
  • This multichannel amplifier features 4 channels with 100 Watts RMS each (400 watts RMS total) and also with LED indicator and short-circuit protection
  • The Positive/Negative Power Cable is 11 AWG | The Output Cables Wire Gauge is 15 AWG | The Remote Cable is 18 AWG | The Circuit Breaker or Fuse is 20A
Bestseller No. 3
Blaupunkt 1500W 4-Channel, Full-Range Amplifier
2,650 Reviews
Blaupunkt 1500W 4-Channel, Full-Range Amplifier...
  • 1500W Maximum Power Full-Range Amplifier
  • Optimized 150-watt RMS output and a max power output of 1500 watts, you can give your music a huge boost in power that will have you and your passengers partying while on the road
  • This slim amplifier fits perfectly into any trunk so you can easily connect it to your stereo system
Bestseller No. 4
Alpine S-A32F S-Series Class D 4-Channel Amplifier
210 Reviews
Alpine S-A32F S-Series Class D 4-Channel Amplifier...
  • 4-Channel Amplifier
  • 55 watts RMS x 4 at 4 ohms
  • 80 watts RMS x 4 at 2 ohms
  • 160 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode) CTA-2006 compliant
Bestseller No. 5
3200W 12V 4 Channel Car Amplifier Stereo Power Amp Audio 4CH Bass Sub Woofer
450 Reviews
3200W 12V 4 Channel Car Amplifier Stereo Power Amp Audio 4CH Bass Sub Woofer...
  • 4 Channel, strong power dynamic voice restores high degree of sound.
  • Aluminium alloy drawing process, slim design, easy to install.
  • Great heat dissipation performance, safe and stable.
  • Energetic, strong power, easy to promote sub woofer. Nondestructive amplifier installation, 360°round sound.
SaleBestseller No. 6
Orion Cobalt Series CBA2500.4 High Efficiency 4-Channel Class A/B Amplifier for Car Audio Stereo - 2500W High Output, 2/4 Ohm Stable, Adjustable Low/High Pass, Bass Boost, MOSFET Power Supply...
  • COBALT SERIES: Introducing our Class A/B Amplifier CBA2500.4, boasting exceptional frequency response rates and a cutting-edge crossover, elevating its status among competitors. Its robust construction and...
  • PERFORMANCE: Engineered to effortlessly power car speakers with a continuous 2/4 Ohm load, ensuring seamless performance devoid of overheating or extraneous noise. This amplifier is designed to power...
  • QUALITY: The CBA2500.4 amplifier for car stereo speakers with a MOSFET power supply comes with a Low/High-level input. A low-level (RCA) input is measured in voltages. A high-level (+/- wire) input is...
  • FEATURES: The CBA2500.4 amplifier has features like - Frequency Response: 10~30kHz, Low Pass Filter, High Pass Filter, Bass Boost, and MOSFET Power Supply. The ultimate powerhouse for your audio needs.
Bestseller No. 7
Recoil DI550.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,040 Watts Max Power, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable
63 Reviews
Recoil DI550.4 Full-Range Class-D 4-Channel Car Audio Amplifier, 1,040 Watts Max Power, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable...
  • Class D 4-Channel Amplifier, 1040 Watts Max Power, RMS 130 Watts x 4 Channels@2 Ohm; RMS 80 Watts x 4@4Ohm; RMS (Bridged): 260 Watts x 2@4Ohm; Peak Power: 260 Watts x 4@2Ohm
  • Featuring a high-speed MOSFET power supply, premium grade internal components, as well as 4-way protection circuitry, the amplifier will safely operate at the highest levels of performance for hours on...
  • With a depth of adjustable user controls such as the gain, LPF, HPF, crossover, and bass EQ, this amplifier is extremely versatile and can be used in countless applications.
  • Highly efficient heatsinks keep the amplifier cool with a sophisticated new look.
Bestseller No. 8
BOSS Audio Systems R1002 Riot Series Car Stereo Amplifier - 200 High Output, 2 Channel, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Full Range, Use With Subwoofer
2,954 Reviews
BOSS Audio Systems R1002 Riot Series Car Stereo Amplifier - 200 High Output, 2 Channel, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Full Range, Use With Subwoofer...
  • Power - 100 Max x 2 @ 2 Ohms, 50 Max x 2 @ 4 Ohms
  • Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
  • 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...
  • Variable Input Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
SaleBestseller No. 9
BLAUPUNKT 1600W 4-Channel, Full-Range Amplifier AMP1604, Black
1,008 Reviews
BLAUPUNKT 1600W 4-Channel, Full-Range Amplifier AMP1604, Black...
  • 1,600 watts x 4 channels max power output
  • 55 watts RMS x 4 channels at 4 ohms
  • 79 watts RMS x 4 channels at 2 ohms
  • Designed to power vehicle’s speakers
Bestseller No. 10
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel Audio Amplifier - Waterproof, 12 volt, Dual MOSFET Power Supply, GAIN Level Controls, RCA Stereo Input & LED Indicator (PLMRA400)...
  • PREMIUM 4 CHANNEL AMPLIFIER: Pyle’s PLMRA400 is engineered as a 4 Channel marine amplifier that allows high quality stereo reproduction from source. This will power up your speaker and be universally...
  • RCA STEREO INPUT: For an easier use of this hydra marine amplifier, it comes with premium RCA inputs. If your marine receiver lacks RCA output jacks, you can connect speaker output leads to the high-level...
  • SHORT PROTECTION: Built with a heavy duty Aluminum Alloy heatsink, thermal overload speaker short protection and LED light indicator. These are to protect the amp and your vehicle's electrical system from...
  • POWERFUL 400 WATT: This amplifier is powerful with its 100 WATT x 4 max or 400 WATT and dual MOFSET power supply. Comes with dual adjustable input GAIN level controls between 1-300mV and 4 or 8 Ohm speaker...
Bestseller No. 11
Crunch Ground Pounder GP-1500.4 1500 Watt 4 Channel Amplifier
81 Reviews
Crunch Ground Pounder GP-1500.4 1500 Watt 4 Channel Amplifier...
  • 4 channels x 375 watts @ 2 ohms
  • 4 channels x 185 watts @ 4 ohms
  • 2 channels x 750 watts (mono bridged) @ 4 ohms
  • Operates in 4-channel stereo, dual stereo bridged, stereo + bridged mono, or dual bridged mono
Bestseller No. 12
DS18 SXE-1200.4/BK Car Amplifier Stereo Full-Range Class A/B 4-Channel 60x4 RMS @4 OHM 1200 Watts - Powerful and Compact Amp for Speakers in Car Audio System...
  • HIGH PERFORMANCE - DS18’s SXE series of amps was designed for users looking for an extreme increase to the quality of music reproduced by their vehicle. The SXE-1200.4 guarantees your sound system’s...
  • VARIABLE CROSSOVER - The SXE series of amplifier gives users the ability to tailor the audio reproduced by their vehicle to their personal listening preferences through the use of it’s fully variable...
  • PERFECT SIZE - As a Class A/B amplifier, the SXE series uses power transformers significantly smaller than your average amplifier, making it the perfect size for any vehicle’s custom build: but, what it...
  • SUPERCHARGE - The SXE-1200.4 has a power output of 200W x 2 CH bridged at 4-ohms, 100W x 4 CH at 2-ohms, 60W x 4 CH at 4-ohms: perfect power settings to supercharge any custom build
Bestseller No. 13
PYLE 4 Channel Car Stereo Amplifier - 2000W High Power 4-Channel Bridgeable Audio Sound Auto Small Speaker Amp Box w/ MOSFET, Crossover, Bass Boost Control, Silver Plated RCA Input Output - PLA4278
107 Reviews
PYLE 4 Channel Car Stereo Amplifier - 2000W High Power 4-Channel Bridgeable Audio Sound Auto Small Speaker Amp Box w/ MOSFET, Crossover, Bass Boost Control, Silver Plated RCA Input Output - PLA4278...
  • 2000 WATT POWER: The Pyle 4 Channel Car Amplifier is perfect for your vehicle's sound system; Gives you up to 2000W bridgeable output; Features switchable bass boost, variable gain control, configurable...
  • SILVER-PLATED RCA PORTS: The RCA ports are silver-plated for eliminating signal loss; The subsonic filter allows low-end interference to be cut so your speakers will always deliver the highest quality...
  • MOSFET PULSE: The MOSFET pulse width modulation power supply allows for a clean distortion-free signal to your compact speakers providing you with crisp and clear audio for an outstanding music experience;...
  • THERMAL PROTECTION: To keep both your car and the stereo amp safe, this model is equipped w/ thermal, overload and short circuit protection; Has been specially designed from the bottom up to provide safe...
SaleBestseller No. 14
Crunch PX 1000.4 4 Channel 1000 Watt Amp A B Class Car Truck Motor Vehicle Stereo Power Amplifier, Lightweight 5.4 Pounds Black
1,720 Reviews
Crunch PX 1000.4 4 Channel 1000 Watt Amp A B Class Car Truck Motor Vehicle Stereo Power Amplifier, Lightweight 5.4 Pounds Black...
  • Crunch PX 1000.4 amplifier is ideal for multi-channel systems because it can operate on 4, 3, or 2 channels; Employs Class A B technology to provide greater audio performance
  • Powerful vehicle amp with 1000W power output for your car entertainment system; 2 Ohms, 4 by 250 watts 4 Ohms 4 by 125 watts Mono Bridged At 4 Ohms 2 by 5000 watts, Bridgeable at 4 ohms
  • Enhance your setup with multiple arms by utilizing the Preamp RCA outputs, allowing you to daisy chain multiple arms effortlessly for an expanded and dynamic audio experience
  • Specifications encompass a Pulse Width Modulated power supply, a Slow unmute soft start turn-on, Speaker level inputs, and a Variable high pass filter at 120
Bestseller No. 15
PRV Audio QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - 400 Watt Amp Stereo 12 Volts Amp Class D Full Range Bridgeable
22 Reviews
PRV Audio QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - 400 Watt Amp Stereo 12 Volts Amp Class D Full Range Bridgeable...
  • 4 x 100 watts TRUE RMS certified at full range output Digital Class D Brazilian Technology
  • 4 Channel car audio amplifier stable at 2 Ohm gives you the benefit of wiring multiple speakers and dividing the power per channel.
  • Engineered to be the most efficient full range amplifier so that you can get the most out of your vehicle’s electrical system!
  • A small footprint and compact chassis make this amplifier easy to install anywhere in the vehicle: 4″ Wide x 5.40″ Length x 2″ Height
Bestseller No. 16
BOSS Audio Systems MC900B 4 Channel Amplifier for ATV UTV Car Marine - 500 High Output, Low Level Inputs, Full Range, Weatherproof, Bass for Subwoofer...
  • Power - 125 Watts Max x 4 @4 Ohms, 94 Watts RMS x 4 @4 Ohms
  • Specs - Dimensions - 1.75” x 6.6” x 1.75”, Weighs 2.9 lbs.
  • Bluetooth - You do not need a head unit. Just power up the MC900B and hook up some speakers to it. The included Bluetooth remote control lets you stream your music via your Bluetooth device and use apps...
  • Auxiliary in - The Bluetooth remote is compatible with the audio output from smartphones as well as MP3 players. Just plug in and start playing
Bestseller No. 17
Taramps TS 800x4 Car Audio Multichannel Amplifier 800 Watts Rms 2 Ohms 4 Channel 2 Bridged Channel Full Range Crossover, RCA/High Level Input, Class D...
  • The Taramps TS line has Multichannel amplifiers, containing Full range amplifiers with 4 channels, and also are amplifiers with high power and cost-benefit.
  • The TS 800x4 boasts 800 Watts RMS at 2 Ohms. As a versatile multichannel amplifier, this powerful product adapts seamlessly to various systems, offering the flexibility of bridged connections.
  • The Positive/Negative power supply cable is 7 AWG. The output cables wire gauge are 15 AWG and the remote cable is 18 AWG. 40A circuit breaker or a fuse is recommended.
  • Perfect for various car audio setups, this amplifier delivers excellent frequency performance and comes equipped with handy features like fixed Crossover, Input/Output settings, and precise Level Control.
Bestseller No. 18
BOSS Audio Systems OX4.400 4 Onyx Series Car Amplifier – 1600 High Output, 4 Channel, Class A/B, Low/High Level Inputs, Low Pass Crossover, Bass, Full Range, Bridgeable, for Subwoofer...
  • Power - 400 Max x 4 @2-Ohms, 800 Max x 2 @4-Ohms, 1600 Max x 1 Bridged @4 Ohms
  • Bridgeable - Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels
  • Variable Bass Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)
  • Specs – Dimensions: 12.25” x 7” x 2.3”, Weight: 6.4 lbs.
Bestseller No. 19
Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier...
  • Digital Amplifier Technology
  • Speaker Level Input w/ Signal Sensing Turn-on
  • 2 Ohms Load Capability. High Pass Filter : 50Hz-200Hz, -12dB/oct (A/B)
  • Power MOS-FET Switching Power Supply
SaleBestseller No. 20
Car Audio Amplifiers 4 Channel - 1200 Watt Full Range ClassA/B Stereo Power Amplifier, Car Subwoofer Speaker Amp AMP-D4 with Wiring Kits...
  • Car Audio Amplifiers 4 Channel - 1200 Watt Full Range ClassA/B Stereo Power Amplifier, Car Subwoofer Speaker Amp AMP-D4 with Wiring Kits
  • AMD-D4 Car Audio Amplifier adopts 12V-16V power input, it is a universal car amplifier, suitable for Cars, Trucks, SUVs, RVs, vans, and so on car audio subwoofer amplifiers.
  • AMP-D4 Amplifier Featuring a 2*30A Fuse, Built-in cooling fans, an all-aluminum alloy body, and an efficient heat dissipation design can achieve the highest reliability and performance.
  • AMD-D4 MOSFET Class A/B Power 4-Channel Amplifier. Maximum Peak Power: 1200Watts, RMS Power at 2 Ohms: 300 Watts x 4 CH, RMS Power at 4 Ohms: 90 Watts x 4 CH.

Last update on 2024-12-14 / Images Source Amazon Product API

Article Realted to Car Stereo Amplifier 4-Channel Nearby.

Revealing the Secrets Of a Good Car Speaker

This is Rockford Fosgate, Purpose Built Audio

As we spend more time in our cars, the importance of a high-quality audio system becomes increasingly apparent. Whether you’re a music enthusiast, podcast lover, or simply enjoy the soothing hum of your favorite tunes during a road trip, the impact of quality car speakers on your driving experience cannot be overstated.

In this article, we will delve into the key factors that define a good car speaker and explore how these components work together to create an unforgettable audio journey.

Key Factors that Define a Good Car Speaker

When it comes to evaluating the performance of car speakers, several crucial factors play a pivotal role. Understanding these elements will empower you to make an informed decision when selecting speakers for your vehicle.

Sound Clarity

Exploring the Importance of Clear and Distortion-Free Sound Reproduction in Car Speakers

The foundation of an exceptional audio experience lies in the clarity of sound reproduction. Quality car speakers should deliver crisp, clear audio without distortion, even at higher volumes. Distortion can be a result of poor design, low-quality materials, or inadequate power handling. When shopping for car speakers, prioritize models known for their ability to maintain sound clarity across a wide range of frequencies.

Frequency Response

Understanding the Range of Frequencies that a Speaker Can Reproduce and How it Affects Your Listening Experience

The human ear can perceive a broad spectrum of frequencies, from deep bass tones to high-pitched trebles. A good car speaker should have a balanced frequency response, covering the entire audible range. It ensures that you experience the full richness of your audio content. Pay attention to the frequency range specified by the manufacturer, and choose speakers that match your preferences, whether you favor booming bass or crystal-clear highs.

Power Handling

How Much Power a Speaker Can Handle Without Distortion or Damage?

Power handling is a critical aspect of car speakers that often gets overlooked. It refers to the amount of power a speaker can handle without distorting the audio or risking damage. If you have a powerful car audio system or enjoy turning up the volume, selecting speakers with adequate power handling capabilities is essential. It ensures that your speakers can handle the output from your amplifier without compromising sound quality.

Speaker Sensitivity

Discussing the Sensitivity Rating and its Impact on Volume Levels and Overall Performance

Speaker sensitivity, measured in decibels (dB), indicates how efficiently a speaker converts power into sound. A higher sensitivity rating means the speaker can produce louder sounds with less power input. It is crucial for achieving optimal performance without straining your amplifier. When choosing car speakers, consider your amplifier’s power output and aim for a balance between power handling and sensitivity to achieve the best results.

Build Quality

The Significance of Durable Materials and Construction for Long-Lasting Performance and Reliability

Durability is a key factor in ensuring the longevity of your car speakers. Quality speakers are constructed with robust materials that can withstand the challenges of the car environment, including temperature fluctuations, humidity, and vibrations. Look for speakers with sturdy cones, rubber surrounds, and heat-resistant voice coils. Investing in speakers with excellent build quality not only enhances performance but also ensures they stand the test of time.

Different Types of Car Speakers: Which One Suits Your Needs?

Car speakers come in various types, each designed to cater to specific audio preferences and vehicle setups.

Tweeters: These small speakers specialize in reproducing high-frequency sounds, such as cymbals and vocals, adding clarity to your audio.

Woofers: Responsible for handling mid-range frequencies, woofers deliver the warmth and fullness of instruments like guitars and drums.

Subwoofers: If you crave powerful bass, subwoofers are a must. They focus on the lowest frequencies, bringing depth and impact to your music.

Coaxial Speakers: Combining multiple speaker elements into a single unit, coaxial speakers simplify installation and offer a balanced sound across frequencies.

Component Speakers: For audiophiles seeking the ultimate customization, component speakers separate the different speaker elements, allowing precise placement for optimal sound staging.

Understanding the characteristics and purposes of these speaker types will help you choose a setup that complements your audio preferences and vehicle constraints.

Tips for Choosing the Perfect Car Speaker for Your Vehicle

Selecting the ideal car speakers involves considering various factors to ensure compatibility and satisfaction.

Budget Considerations: Establish a budget that aligns with your audio goals. While premium speakers offer exceptional performance, there are also quality options available at more affordable price points.

 

Compatibility with Your Existing Audio System: Check the specifications of your car’s audio system and amplifier to ensure the speakers you choose are compatible. Matching impedance and power requirements prevent performance issues.

Size and Fitment Options: Car speakers come in different sizes, so measure the available space in your vehicle before making a purchase. Ensure the speakers fit seamlessly into your car’s speaker openings to avoid installation complications.

Taking Your In-Car Audio to the Next Level: Upgrading to Premium Sound Systems

For audiophiles seeking an unparalleled audio experience, upgrading to premium sound systems from renowned brands like Bose or Harman Kardon is a tempting proposition.

These systems incorporate advanced audio technologies, including digital signal processing and high-quality components, to deliver immersive and lifelike sound. While such upgrades may come with a higher price tag, the benefits in terms of audio quality and overall satisfaction can be truly transformative.

Conclusion

Upgrading your car speakers is a transformative step towards an enhanced audio experience during your journeys. By understanding the key factors that define a good car speaker and considering your preferences, budget, and vehicle constraints, you can select speakers that elevate your driving experience.

Whether you opt for a balanced coaxial setup or a customized component system, embracing the power of quality car speakers ensures that every road trip becomes an immersive audio journey. So, crank up the volume, hit the open road, and let the music take you to new heights of driving pleasure.

More Information Related to Car Stereo Amplifier 4-Channel

BUY Bose Car Speakers & Speaker Systems

There is no doubt that if looking for Car Stereo Amplifier 4-Channel Nearby you have many options. Even though, car manufactuerer’s like DeLorean Motor Company are making a lot more difficult to install aftermarket car audio you can still have a good sound system in your car, and we‘re positive that you will be able to find a local car audio installation shop Nearby that it up to the task. At Thunder Electronics we want to make this process easier be offering you the best deals on car audio Nearby. From Car Audio Amplifier Monoblock to Car Audio Tweeters we have what you are looking for. Many will tell you that music is the best medicine there is and at ThunderEletronics.Net we want to be your go-to if searching for Car Stereo Amplifier 4-Channel Nearby.