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. Alpine BBX-F1200 4-channel amplifier

Designed for Europe. With these BBX amplifiers, you get the familiar power performance from Alpine. They also fit seamlessly into almost any system. The amplifier delivers enormous power and exceptionally good characteristics for its class. Perfectly suited for expanding your sound system on a limited budget. High-pass and low-pass filters. With these two filters, you can adjust the crossover frequencies for the high, mid, and low bass ranges to match your speakers, achieving optimal efficiency. 

2. 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. 

3. 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. 

4. 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. 

5. 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. 

6. 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. 

7. Alpine S2-A36F

The S2-A36F from Alpine is a powerful 4-channel car HiFi amplifier designed for audiophile demands. With a Hi-Res Audio certification supporting frequencies up to 40 kHz, this amplifier delivers outstanding sound quality. The innovative Class D amplifier circuitry ensures efficient performance while minimizing energy consumption. The S2-A36F features dual-sided connection terminals, making installation easier. Additionally, it includes integrated selectable crossovers that allow for precise sound adjustment. The variable EQ circuit for mids and bass provides a punchy sound in the upper bass range, significantly enhancing the listening experience. The amplifier is also compatible with an optional bass remote control, available separately, to adjust bass playback according to personal preferences. With a rated power of 14.4 V and a signal-to-noise ratio of over 83 dB, the S2-A36F is an excellent choice for those who value high sound quality and flexibility.

- Hi-Res Audio certified up to 40 kHz
- Integrated selectable crossovers for precise sound control
- Variable EQ circuit for mids and bass
- Damping factor of over 100 for improved sound fidelity
- CTA-2006-D certification for high performance standards. 

8. Alpine KTP-445A

4 x 100W MAX - 4 x 45W RMS - for all Alpine head units from 2005 - easy plug & play installation (no additional cables required) - high/low input selector switch - compact dimensions (W x H x D): 177mm x 35mm x 66mm. 

9. Renkforce RF-CMP-204

Satter sound in the car. It's that easy to elevate the factory-installed sound system to another level: The Renkforce RF-CMP-204 offers four speaker outputs, each with 50 watts of power, and features low- and high-level compatible inputs for connecting to the existing source. The amplifier, housed in a robust aluminum casing, can also be used for direct music playback via USB stick or Bluetooth V4.2. Treble and bass controls, along with a volume control, allow for adjustments to suit personal sound preferences. Additionally, there are buttons for play/pause and track forward/backward to control music playback from the USB drive. 

10. Pioneer GM-DX104

Pioneer compact space-saving micro 4-channel (400W) Class D amplifier.

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