Finding a 4 ohm mono amp that suits your need and does its job well can be challenging. Overall, our tester reviews these 4 ohm mono amp with giving ratings and marks for its durability, ease of setup and use. Also the 4 ohm mono amp price will be fairly matched the product’s performance, plus with the attractive and sturdy design etc that comes with the product. We conducted hands-on testing for 4 ohm mono amp and have the details guide and list provided below.
This is the ultimate buyers guide 4 ohm mono amp.
The Best 4 ohm mono amp
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BOSS Audio Systems Elite BE1500.1 Monoblock Car Amplifier - 1500 Watts, 2 4 Ohm Stable, Class AB,...
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The Best 4 ohm mono amp
Kenwood KAC-D5101 1000W Max Power 4-Ohms Mono Amp Class D
$199.00
in stock
17 new from $199.00
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as of June 16, 2025 11:49 am
Features
- Max Power: 1000W
- RMS POWER OUTPUT (4Ω): 300W
- RMS POWER OUTPUT (2Ω): 500W
- Speaker Level Input / Signal Sensing Turn-On
- Variable Low Pass Filter / Bass Boost
Rockville dB10 800w Peak Mono Car Audio Amplifier 200w RMS @ 4 Ohms
$74.95
in stock
2 new from $74.95
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as of June 16, 2025 11:49 am
Features
- Powerful Output: Delivers 800W peak power and 200W RMS at 4 ohms, providing robust and clear audio for your car's subwoofer system.
- Advanced Sound Control: Features fully adjustable 12dB/octave crossover, subsonic filter (15Hz-55Hz), and 12dB bass equalizer for precise audio tuning.
- Efficient MOSFET Technology: High-speed MOSFET power supply ensures stable and efficient performance, enhancing overall sound quality.
- User-Friendly Design: Includes remote dashboard subwoofer control, LED-illuminated logo, and RCA line input/output for flexible installation and easy operation.
- Comprehensive Protection: Equipped with IC-controlled protection circuitry to safeguard against overheating, voltage fluctuations, and short circuits, ensuring long-lasting durability.
Recoil DI600.1 Class-D Car Audio Mono-Block Subwoofer Amplifier, 1200 Watts Max Power, 2/4 Ohm Stable, Mosfet Power Supply, Remote Bass Knob Included
$84.99
in stock
Amazon.com
as of June 16, 2025 11:49 am
Features
- Class-D Mono-block Subwoofer Amplifier, 1200 Watts Max Power, RMS 600 Watts x 1@2Ohm; RMS 350 Watts x 1@4Ohm.
- 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 end. Highly efficient heatsinks keep the amplifier cool with a sophisticated new look.
- Recoil mono amplifiers come with bass remote control. Use it to customize your bass on the fly with just a turn of a knob.
- You'll have full reign over your amplifier with the built-in user control panel, featuring a bass EQ, and variable adjustment tunings for gain level, low-pass filter, and subsonic filter.
- Dimensions: 7.48" x 5.90" x 1.77"
Blaupunkt 1500W 1-Channel, Monoblock Amplifier
$62.99
in stock
3 new from $62.99
Free shipping
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as of June 16, 2025 11:49 am
Features
- 1500W Maximum Power Monoblock Amplifier
- Optimized 563-watt RMS and a max output power 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
- Compactly built so this amplifier can fit perfectly into any trunk
BOSS Audio Systems Elite BE1500.1 Monoblock Car Amplifier - 1500 Watts, 2 4 Ohm Stable, Class AB, Mosfet Power Supply, Great For Subwoofers
out of stock
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as of June 16, 2025 11:49 am
Features
- POWER: 1500 Watts Max x 1 @2-Ohms, 750 Watts Max x 1 @4-Ohms
- CLASS A/B TOPOLOGY: Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
- MOSFET POWER SUPPLY: A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage and current precisely by removing the output current sensing loss And eliminating all secondary feedback circuitry
- VARIABLE LOW-PASS CROSSOVER: Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction
- SWITCHABLE BASS BOOST: Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
PIONEER 500W Mono Class D AMP 13in. x 10.75in. x 4.5in.
$169.95
in stock
2 new from $169.95
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as of June 16, 2025 11:49 am
Features
- 300W RMS x 1 @ 4Ω
- 500W RMS x 1 @ 2ω
- 800W RMS x 1 @ 1ω
- Free rasp: 10hz–240khz
- Signal-to-noise ratio: 100dB
Planet Audio TR1500.1M Monoblock Car Amplifier - 1500 Watts, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Great for Subwoofers
$95.08
in stock
3 new from $95.08
Free shipping
Amazon.com
as of June 16, 2025 11:49 am
Features
- Power - 1500 Max x 1 @ 2 Ohms, 750 Max x 1 @ 4 Ohms
- Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
- MOSFET Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
- Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction
- Switchable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
Alpine S-A60M S-Series Class D Mono Amplifier
$159.95
in stock
5 new from $154.99
Free shipping
Amazon.com
as of June 16, 2025 11:49 am
Features
- 330 watts RMS x 14 ohms
- preamp and speaker-level inputs
- variable bass boost
- The amp includes preamp- and speaker-level inputs,you can installin almost any vehicle, even one with a factory radio.
Planet Audio PL2000.1M Monoblock Car Amplifier - 2000 Watts, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Great for Subwoofers
$107.95
in stock
20 new from $105.56
Free shipping
Amazon.com
as of June 16, 2025 11:49 am
Features
- Power - 2000 Max x 1 @2 Ohms, 1000 Max x 1 @4 Ohms
- Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
- 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
- Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction
- Variable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
Planet Audio AC1500.1M Monoblock Car Amplifier - 1500 Watts Max Power, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Remote Subwoofer Control
$92.99
in stock
3 new from $92.99
1 used from $110.00
1 used from $110.00
Amazon.com
as of June 16, 2025 11:49 am
Features
- Power - 1500 Max x 1 @ 2 Ohms, 750 Max x 1 @ 4 Ohms
- Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction
- 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: 10” x 10” x 2.4”, Weight: 6.75 lbs., Speaker Impedance: 2 to 8 Ohm, THD @ RMS Output: 0.01%, S/N Ratio: 102 dB, Frequency Response: 20 Hz to 20 kHz, Fuse Quantity: 1 30 Amp ATO Blade
- Planet Audio provides a Powerful 6 Year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.Com. We strongly encourage professional installation of this product to ensure proper and safe functionality
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Final thoughts
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