Best selling Car hi-fi amplifiers

Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.

1. Vibe Powerbox Plug and Play

Direct plug-and-play amplifier for your BMW, providing everything you need to install an amplifier and keep your factory radio, no loss of warranty, no loss of function, just extra volume and improved sound quality.

Suitable for the following vehicles with 40 PIN Quadlock radio connector:

BMW 1 Series from 2009 to 2018
BMW 3 Series from 2009 to 2018
BMW 5 Series from 2009 to 2018
BMW 6 Series from 2008 to 2018
BMW 7 Series from 2009 to 2018
BMW X1 from 2009 to 2018
BMW X3 from 2009 to 2018
BMW X5 from 2009 to 2018
BMW X6 from 2008 to 2018
BMW Z4 from 2009 until 2018

Technical data:

4x65 watts into 4 ohms
520 Watt Max. Power output
Dimensions: 37x157x82mm. 

2. Crunch GPX4 channel power amplifier

Both GPX models convince with an almost unbeatable price-performance ratio and have what it takes to become a bestseller. The power amplifiers of the GPX series convince with a solid quality and thoughtful design and stand for lasting sound fun in the car. With price-optimized performance and easy-to-use features, the GPX amplifiers are the perfect introduction for car audio novices. 

3. Pioneer GM-D9701

Pioneer GM-D9701 subwoofer power amplifier

Features:
- Speaker input sensor: Easily connect your existing OEM device without additional adapters.
- Variable TPF: Adjust the low-pass filter frequency for greater audio system flexibility.
- Multiple device connection: Connect up to 4 subwoofers for more powerful audio output.
- Class D: Enjoy the premium sound and high volumes of a versatile system that's half the size of other devices.

Technical data:
- Variable TPF
- Class D
- Channels: 1
- RCA connections
- Speaker inputs: Block-type
- TPF
- Maximum input power: 1 x 1000W (4Ω) / 1 x 1600W (2Ω) / 2400W (1Ω)
- Continuous output power (RMS): 1 x 500W RMS (4Ω) / 1 x 800W RMS (2Ω) / 1 x 1200W RMS (1Ω)
- Frequency response: 10 Hz - 240 Hz
- Input level control: RCA (0.2V - 6.5V) / SP (0.8V - 16V)
- Distortion 100dB
- Housing dimensions (W x H x D): 302 x 60 x 215 mm
- Bass control: Remote control
- Bass remote control
- Crossover frequency: 40 - 500Hz (-12 dB/oct)
- Mono / 1-channel
- Connections: Connection for multiple devices. 

4. Pioneer Gm-D1004

An amplifier shouldn't take up much space, especially in a car. That's why this compact yet powerful Class-D amplifier could be just right for you. The GM-D1004 is a compact amplifier that can be easily installed in the dashboard or center console - the cables are already included. Its Protection Control System prevents overloading of the vehicle's electrical system, allowing the GM-D1004 to be easily connected to existing wiring. Additionally, the system prevents overheating and ensures stable operation. The amplifier features a large-capacity capacitor that provides stable voltage, resulting in clear, powerful sound even at higher volumes. It delivers no less than 4 x 100 watts in very compact dimensions. The GM-D1004 detects the input signal and automatically adjusts to the correct sensitivity, whether it's a RCA or speaker connection. Furthermore, the amplifier automatically turns on and off when connected to the speaker output of the radio. Reinforcements in the amplifier's base dampen the impact of vehicle vibrations. Thanks to this total vibration control, you can enjoy high-resolution audio files in your vehicle. 

5. Pioneer GM-D8701

The Pioneer GM-D8701 is a powerful Class-D mono amplifier specifically designed for use in vehicles. With a maximum output power of up to 1600 watts at 1 ohm, this amplifier delivers impressive sound quality and volume without taking up much space. Its compact design allows for flexible installation, while the 1-ohm stability supports a variety of configurations. The GM-D8701 features a speaker input sensor that enables easy connection to existing OEM devices without the need for additional adapters. Additionally, the amplifier offers a variable low-pass filter, allowing frequency adjustments for optimal audio output. The remote control for the bass boost provides added convenience and control over sound reproduction.

- 1-ohm stable for flexible configurations
- Speaker input sensor for easy integration
- Variable low-pass filter for individual adjustments
- Remote control for bass boost to optimize sound
- High signal-to-noise ratio of over 100 dB for clear audio quality. 

6. Pioneer Bridgeable 4-channel

Indulge your desire for more power. With Pioneer’s bridgeable amplifiers, you get pure, clean, distortion-free power and outstanding sound.

The GM-A6704 will make your system shine while keeping cool. A technical marvel that will impress you to the core. 

7. Crunch GPX750.1D

The Crunch GPX amplifiers offer an almost unbeatable price-performance ratio. They impress with solid quality, thoughtful design, and provide lasting sound enjoyment in the car. With cost-optimized performance and user-friendly features, these amplifiers are the perfect entry point for car audio fans. 

8. Pioneer GM-D8704

The Pioneer GM-D8704 is a powerful 4-channel Class D amplifier designed for use in vehicles. With a maximum output power of 1,200 W, this amplifier delivers impressive audio quality and volume, significantly enhancing the sound experience in the car. Its compact design allows for easy installation, while the advanced Class D technology ensures high efficiency. The GM-D8704 features variable high-pass and low-pass filters that enable flexible adjustment of the frequency response, providing personalized sound tuning. Additionally, it can connect up to four subwoofers, further amplifying the audio output. This amplifier is ideal for audiophiles who value quality and performance.

- Speaker input sensor allows for easy connection with OEM devices without an adapter
- Variable low-pass filter for flexible adjustment of the audio system
- Variable high-pass filter for personalized sound tuning
- Connection for multiple devices, including up to 4 subwoofers
- Excellent signal-to-noise ratio of over 95 dB for clear sound. 

9. Crunch GPX500.2

The power amplifiers of the GPX series convince with a solid quality and thoughtful design and stand for lasting sound fun in the car. With price-optimized performance and easy-to-use features, the GPX amplifiers are the perfect entry for car audio novices. 

10. Renegade RXA550

The Renegade RXA550 is a powerful 2-channel car HiFi amplifier designed for impressive sound quality in vehicles. With a maximum total power of 300 watts at 4 ohms, this Class A/B analog amplifier delivers outstanding performance for music enthusiasts. The construction includes a MOSFET power supply that ensures stable and efficient energy delivery. The RXA550 is equipped with RCA inputs and outputs, allowing for easy integration into existing audio systems. Additionally, the amplifier offers 2-ohm stability and the option to bridge it mono, providing extra flexibility for installation and use. The adjustable high-pass and low-pass filters enable precise tuning of the frequency response to meet individual sound preferences. With a bass and treble boost of up to +12 dB, users can further optimize and customize the sound.

- RMS output power of 2 x 75 W at 4 ohms and 2 x 125 W at 2 ohms
- Bridgeable configuration for additional power
- Adjustable high-pass and low-pass filters in the range of 50 - 250 Hz
- Signal-to-noise ratio of over 90 dB for clear sound reproduction
- Robust construction with MOSFET power supply for improved efficiency. 

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