Improving the sound quality of your car’s speakers is one of the fastest ways to improve the quality of your daily drive. However, there are so many ways to do this that it can be hard to choose just one, and it’s not like all of us can afford to replace the entirety of our car’s factory stereo system nor should we need to.
A good way to transform your daily driver into a sweet-sounding machine is to install the proper amp.
Below are 5 of the Best 1-ohm stable amplifiers for your car that you can install today
Top 5 Best 1-Ohm Stable Amplifier
Don’t let the compact size of the Pioneer Pio GM-D8704 4-Channel Bridgeable Amplifier fool you. Despite being smaller than most amplifiers, this four-channel amplifier is plenty capable.
It’s fairly powerful with a maximum power of 1,200 watts with a stable circuitry design that allows it to power 1-ohm subwoofers and speakers. Plus, because it is a Class D amplifier, it is much more efficient in terms of power and power output compared to Class A/B amplifiers.
As an added advantage, the Pioneer Pio GM-D8704 4-Channel Bridgeable Amplifier comes with a Protection Control System and this technology uses integrated sensors designed to help minimize overheating if not prevent it by adjusting power input levels to moderate system temperature.
Another neat feature that Pioneer added to this compact 4-channel amplifier is a built-in variable low- and high-pass frequency, which you can adjust from 40 up to 500 hertz.
So, because of its compact size, installation won’t be a problem and this could be especially beneficial if you want to open up your system to the possibility of adding aftermarket speakers down the line.
Although you do have to give up a larger circuit board for its size, the sound trade-off isn’t as big of an issue.
TECHNICAL FEATURES
- Number of Channels: 4
- Class: Class D
- Rated Power
- @ 4-Ohm: 100W RMS x 4
- @ 2-Ohm: 150W RMS x 4
- @ 1-Ohm: 125W RMS x 4
- Frequency response: 10Hz - 50kHz
- Features
- High-Quality Textured Flat Panel and Tough Frame
- Compact Size
- Improved Circuit Design
- Heavy-Duty Advanced Heatsink Design Allows for Maximum Cooling & Efficiency
- 1, 200 Watts Max Power
- Compact Design for Versatile Installation Options
- Refined Class FD Design Offers Extreme Efficiency and High-Quality Sound
Another sleek and compact offering, this time from Planet Audio, is the TR3000.1D Torque, which, despite its size, packs a max power output of 3000 watts. However, because of its design, it’s easy to adapt and install. This is why many audio enthusiasts refer to the TR3000.1D Torque as the jack of all trades of amps.
TR3000.1D Torque is highly efficient, and it comes with switchable input sensitivity, switchable phase shift, as well as a variable bass boost option which makes the TR3000.1D Torque stand out from its price range is its Low Pass Crossover Variable Subsonic Filter.
All in all, the TR3000.1D will let you crank up the volume up to the maximum and there’ll be zero distortion as if you were listening to music at 5% volume. Furthermore to this, the nickel-plated body comes with thermal protection and protection from sonic overloads.
Lastly, despite having a max power of 3000 watts, that doesn’t necessarily mean that the TR3000.1D will drain your car off of its battery when not in use and especially when used and as we’ve already mentioned, it is very power efficient.
Pair that with the fact that it can help your factory car speakers produce quality music and it’s hard to want for anything more.
TECHNICAL FEATURES
- Number of Channels: 1
- Class: Class D
- Rated Power
- @ 4-Ohm: 563W RMS x 1
- @ 2-Ohm: 1500W RMS x 1
@ 1-Ohm: 3000W RMS x 1 - Frequency response: 20Hz - 250kHz
- Features
- Switchable Input Sensitivity
- Phase Control
- Thermal Protection Circuit
- Strapping Capability
- 3000 W MAX Power X 1, 2250 W X 1 RMS @ 1 ohm, 1125 W X 1 RMS @ 2 ohm, 563 W X 1 RMS @ 4 ohm 4500 W X 1 RMS Strapped Bridged Power @ 2 ohm
- Monoblock Class D, MOSFET Power Supply
- Low Level Inputs, RCA Pre-amp Outputs
- Variable Low Pass Crossover, Variable Bass Boost, Variable Subsonic Filter, Switchable Phase Control
You’d think that something like the Sound Storm EV4000D Evolution would be so much more expensive than it sells for, but you’d be wrong. At its price point, the EV4000D is one of the few that has a MOSFET power supply and a 4,000-watt maximum power output as a result this allows the amplifier to offer both a lot of power and stability, especially at 1 ohm.
For better sound customization, the EV4000D is equipped with a Variable Low PassCrossover, a Subsonic Filter, Bass Boost, and a Remote Subwoofer Control and for even better performance, you can pair the EV4000D with another EV4000D.
Aesthetics of the EV4000D give it the sort of stylish design that you wouldn’t hesitate to show off.
TECHNICAL FEATURES
- Number of Channels: 1
- Class: Class D
- Rated Power
- @ 4-Ohm: 750W RMS x 1
- @ 2-Ohm: 2000W RMS x 1
- @ 1-Ohm: 4000W RMS x 1
- Frequency response: 15Hz - 250kHz
- Features
- MOSFET Power Supply
- Low-Level Inputs, RCA Pre-amp Outputs
- Remote Subwoofer Control
- Variable Low Pass Crossover, Variable Bass Boost, and Variable Subsonic Filter and Switchable Phase Control
- 4000 W MAX Power @ 1 Ohm x 1 Channel
- 2000 W MAX Power @ 2 Ohm x 1 Channel
- 1000 W MAX Power @ 4 Ohm x 1 Channel
- Low Level Inputs, RCA Pre-amp Outputs, Strapping Capability, Phase Shift Selector, Variable Subsonic Filter
- Variable Low Pass Crossover, Bass Boost, Variable Input Gain Control, Input Sensitivity Selector
Hifonics ZXX-1800.1D guarantees a lot of power despite its relatively small size as it is designed specifically for subwoofers and helps cars maintain the highest sound quality possible, also to minimize any heat generated or overheating instances, the ZXX-1800.1D comes with a PWM MOSFET power supply with an aluminum heat sink on top as an added measure.
Speaking of added measures, the ZXX-1800.1D was built to last for a long time and also it’s resistant to high temperatures, huge impacts, as well as high voltages, with erosion-resistant hex screw terminals.
ZXX-1800.1D looks and feels like the Hifonics amplifiers of old also it even comes with a subtle but striking illuminated logo in front to help make it stand out in darker environments.
TECHNICAL FEATURES
- Number of Channels: 1
- Class: Class D
- Rated Power
- @ 4-Ohm: 500W RMS x 1
- @ 2-Ohm: 900W RMS x 1
- @ 1-Ohm: 1800W RMS x 1
- Frequency response: 10Hz - 300kHz
- Features
- Nickel-plated and temperature-resistant inputs
- Aluminum heat sink to help dissipate heat more efficiently
- Low noise pre-amplifier circuitry
- CLASS D AMPLIFIER - Class D topology ensures high efficiency with big power and a small footprint. This mono amplifier was built for driving subwoofers and subwoofer systems, maintaining the highest sound quality sound for your car audio.
- BUILT FOR POWERFUL SOUND - Minimize heat generation with the PWM MOSFET power supply providing stability through the PC board. Old school Hifonics aluminum heat sink maintains superior heat dissipation to keep your car audio sounding smooth.
- MADE TO LAST - Low noise preamplifier generates maximum low voltage signal from source unit, minimizing distortion. High temperature impact resistant inputs with hex screw terminals allow secure connections and are erosion resistant.
- HIGH QUALITY CONNECTIONS - RCA outputs and a daisy chain multiple amplifier build eliminates additional signal cables from the source unit. Molded secure connections are used for all wires and angled for ease of access during installation.
- CLASSIC HIFONICS LOOK - The ZXX Series maintains the classic feel of Hifonics amplifiers and include an illuminated logo on the front of the amplifier. The Hifonics logo illuminates when the amp is powered, making a statement even in the dark.
With its compact size and 2500W CTA-compliant peak power, the Toro Tech R4F will help you turn heads and even win competitions in the right set. CTA compliance is especially important because it guarantees that its power ratings are true and not a lie. But, of course, power isn’t enough to land a spot on our list, and the R4F has more than that.
In addition to the 2,500-watt peak power, the R4F also comes with a built-in feature that automatically turns on whenever your vehicle is started regardless of whether an RCA cable was plugged in or not.
Toro tech R4F also has selective Bass Boost EQ for better fine-tuning of audio, as well as a soft-delay remote that you can toggle on and off to eliminate crackles and as an added protection, the R4F has a self-diagnostic protection circuit that has indicators for system overloads, short circuits, overheats, as well as DC output.
TECHNICAL FEATURES
- Number of Channels: 1
- Class: Class D
- Rated Power
- @ 4-Ohm: 400W RMS x 1
- @ 2-Ohm: 700W RMS x 1
- @ 1-Ohm: 1000W RMS x 1
- Frequency response: 50Hz - 260kHz
- Features
- Differential Input Switch to Eliminate Noise
- Clip LED to Indicate Signal Clipping
- Built-In Auto Sensing Turn-On Function
- MOSFET Power Supply
- At TORO TECH our sole purpose is to offer the ultimate combination of performance, quality, style and value. Each TORO product is designed and engineered in the USA to exacting standards by audio enthusiasts with decades of combined, hands on experience. Each TORO product undergoes rigorous testing to insure it meets our stringent standards before we make it available for sale and all products are 100% QC’d before shipping to customers.
- The Toro Tech R4 is a Sound Quality Class-D Design Mono Block Car Audio Amplifier that produces 1250 Watts x 1 RMS – 2500 Watts x 1 MAX power at 1 Ohm and is CTA Compliant to guarantee true rated power. Built-In Auto Sensing Turn-On Function (Hi-Inputs) for vehicles with or without RCA Inputs
- The R4 features variable low pass crossovers for system flexibility. To eliminate any possible weak link we’ve spared no expense in offering the best possible connections with Tiffany style RCA jacks for as well as an oversize nickel plated terminal block for power input & speaker output. The R6 Amplifier utilizes a MOSFET power supply for high output and increased stability, variable gain control and remote level control port for optional controller.
- Selectable Bass Boost EQ ~ 0 ~ 12dB, Variable Gain Control, Soft Delay Remote Turn On/Off Circuit Eliminates Pops and Clicks, Variable Low Pass Electronic Crossover, Freq. Response 13Hz - 220kHz, RCA Voltage 200mV ~ 10V, Bass EQ 0Hz ~ 12dB, Dimensions 10.83 (in) x 2.0 (in) x 7.1 (in)
Conclusion
1-ohm stable amplifiers are an excellent choice to get more sound out of your car’s factory system. Because the low impedance lets you squeeze even more power out of the install amp, you can get to enjoy better bass and clearer highs with a proper 1-ohm stable amplifier, even if you are running factory speakers on your car.
With that said, the 5 Best 1-ohm stable amplifiers for your car are the ones that we rounded up above.
Have one installed into your car by a professional (or you can do it by yourself if you know how) and start enjoying better quality music as soon as possible.
Last update on 2021-12-31 / Affiliate links / Images from Amazon Product Advertising API