Ruthless Audio
-
Ruthless Audio 4500.1 β 4500W Monoblock Competition Car Audio Amplifier
Vendor:Ruthless AudioRegular price $829.99 USDRegular priceSale price $829.99 USDSold out -
Ruthless Audio 10000.1 β 10K Mono Block Competition Car Audio Amplifier
Vendor:Ruthless AudioRegular price $1,599.99 USDRegular priceSale price $1,599.99 USD -
Ruthless Audio 1500.4 β 4-Channel 1500W Full-Range Car Audio Amplifier
Vendor:Ruthless AudioRegular price $479.99 USDRegular priceSale price $479.99 USDSold out -
Ruthless Audio 800.4 β 4-Channel 800W RMS Full-Range Car Audio Amplifier
Vendor:Ruthless AudioRegular price $289.99 USDRegular priceSale price $289.99 USDSold out -
Ruthless Audio 10000.1 Red β 10,000W Monoblock Competition Car Audio Amplifier
Vendor:Ruthless AudioRegular price $1,599.99 USDRegular priceSale price $1,599.99 USD -
Ruthless Audio Micro 800.4 β Marine-Grade Micro 4-Channel Amplifier
Vendor:Ruthless AudioRegular price $249.99 USDRegular priceSale price $249.99 USD -
Ruthless Audio Micro 1200.4 β Marine-Grade Micro 4-Channel Amplifier
Vendor:Ruthless AudioRegular price $319.99 USDRegular priceSale price $319.99 USDSold out -
Ruthless Audio Micro 400.4 β 4-Channel 400W Compact Full-Range Amplifier
Vendor:Ruthless AudioRegular price $179.99 USDRegular priceSale price $179.99 USDSold out -
Ruthless Audio Black 7.5K Monoblock β 7500W RMS Competition Car Audio Amplifier
Vendor:Ruthless AudioRegular price $1,249.99 USDRegular priceSale price $1,249.99 USD -
Ruthless Audio Black 7.5K Monoblock β 7500W RMS Competition Car Audio Amplifier
Vendor:Ruthless AudioRegular price $1,249.99 USDRegular priceSale price $1,249.99 USD -
Ruthless Audio 2300.1 β 2300W Monoblock Competition Car Audio Amplifier
Vendor:Ruthless AudioRegular price $479.99 USDRegular priceSale price $479.99 USDSold out -
Ruthless Audio 5000.2 β 2-Channel Full-Range Competition Car Audio Amplifier
Vendor:Ruthless AudioRegular price $799.99 USDRegular priceSale price $799.99 USDSold out -
Ruthless Audio 1500.1 Micro Monoblock Amplifier β 1500W RMS
Vendor:Ruthless AudioRegular price $349.99 USDRegular priceSale price $349.99 USDSold out -
Ruthless Audio 12.5K Mono Block Competition Car Audio Amplifier
Vendor:Ruthless AudioRegular price $1,799.99 USDRegular price$2,999.95 USDSale price $1,799.99 USDSold out -
Ruthless Audio 18" Neo 4"VC Subwoofer
Vendor:Ruthless AudioRegular price $1,399.95 USDRegular priceSale price $1,399.95 USD -
Ruthless Audio 15" Neo 4"VC Subwoofer
Vendor:Ruthless AudioRegular price $1,349.95 USDRegular priceSale price $1,349.95 USD -
Ruthless Audio 18" 3" Coil Subwoofer Quad Stack Motor
Vendor:Ruthless AudioRegular price $799.95 USDRegular priceSale price $799.95 USD -
Ruthless Audio 15" 3" Coil Subwoofer Quad Stack Motor
Vendor:Ruthless AudioRegular price $749.95 USDRegular priceSale price $749.95 USD -
Audio Sellerz Ruthless Audio Backpack
Vendor:Audio SellerzRegular price $50.00 USDRegular priceSale price $50.00 USD
-
Ruthless Audio 4500.1 β 4500W Monoblock Competition Car Audio AmplifierRuthless Audio 4500.1 β 4500W Monoblock Competition Car Audio Amplifier Sold by AudioSellerz.com The Ruthless Audio ...$829.99 -
Ruthless Audio 10000.1 β 10K Mono Block Competition Car Audio AmplifierRuthless Audio 10000.1 β 10K Mono Block Competition Car Audio Amplifier Sold by AudioSellerz.com The Ruthless Audio ...$1,599.99 -
Ruthless Audio 1500.4 β 4-Channel 1500W Full-Range Car Audio AmplifierRuthless Audio 1500.4 β 4-Channel 1500W Full-Range Car Audio Amplifier Sold by AudioSellerz.com The Ruthless Audio 1...$479.99 -
Ruthless Audio 800.4 β 4-Channel 800W RMS Full-Range Car Audio AmplifierRuthless Audio 800.4 β 4-Channel 800W RMS Full-Range Car Audio Amplifier Sold by AudioSellerz.com The Ruthless Audio...$289.99 -
Ruthless Audio 10000.1 Red β 10,000W Monoblock Competition Car Audio AmplifierRuthless Audio 10000.1 Red β 10,000W Monoblock Competition Car Audio Amplifier Sold by AudioSellerz.com The Ruthless...$1,599.99 -
Ruthless Audio Micro 800.4 β Marine-Grade Micro 4-Channel AmplifierRuthless Audio Micro 800.4 β Marine-Grade Micro 4-Channel Amplifier Sold by AudioSellerz.com The Ruthless Audio Micr...$249.99 -
Ruthless Audio Micro 1200.4 β Marine-Grade Micro 4-Channel AmplifierRuthless Audio Micro 1200.4 β Marine-Grade Micro 4-Channel Amplifier Sold by AudioSellerz.com The Ruthless Audio Mic...$319.99 -
Ruthless Audio Micro 400.4 β 4-Channel 400W Compact Full-Range AmplifierRuthless Audio Micro 400.4 β 4-Channel 400W Compact Full-Range Amplifier Sold by AudioSellerz.com The Ruthless Audio...$179.99 -
Ruthless Audio Black 7.5K Monoblock β 7500W RMS Competition Car Audio AmplifierRuthless Audio Black 7.5K Monoblock β 7500W RMS Competition Car Audio Amplifier Sold by AudioSellerz.com The Ruthles...$1,249.99 -
Ruthless Audio Black 7.5K Monoblock β 7500W RMS Competition Car Audio AmplifierRuthless Audio Black 7.5K Monoblock β 7500W RMS Competition Car Audio Amplifier Sold by AudioSellerz.com The Ruthles...$1,249.99 -
Ruthless Audio 2300.1 β 2300W Monoblock Competition Car Audio AmplifierRuthless Audio 2300.1 β 2300W Monoblock Competition Car Audio Amplifier Sold by AudioSellerz.com The Ruthless Audio ...$479.99 -
Ruthless Audio 5000.2 β 2-Channel Full-Range Competition Car Audio AmplifierRuthless Audio 5000.2 β 2-Channel Full-Range Competition Car Audio Amplifier Sold by AudioSellerz.com The Ruthless A...$799.99 -
Ruthless Audio 1500.1 Micro Monoblock Amplifier β 1500W RMSRuthless Audio 1500.1 Micro Monoblock Amplifier β 1500W RMS Sold by AudioSellerz.com The Ruthless Audio 1500.1 Micro...$349.99 -
Ruthless Audio 12.5K Mono Block Competition Car Audio AmplifierRuthless Audio 12.5K Mono Block Competition Car Audio Amplifier Sold by AudioSellerz.com The Ruthless Audio 12.5K Mo...$1,799.99$2,999.95 -
Ruthless Audio 18" Neo 4"VC SubwooferRuthless Audio 18" Neo 4"VC Subwoofer Sold by AudioSellerz.com The Ruthless Audio 18" Neo 4"VC Subwoofer is a 18-inch...$1,399.95 -
Ruthless Audio 15" Neo 4"VC SubwooferRuthless Audio 15" Neo 4"VC Subwoofer Sold by AudioSellerz.com The Ruthless Audio 15" Neo 4"VC Subwoofer is a 15-inch...$1,349.95 -
Ruthless Audio 18" 3" Coil Subwoofer Quad Stack MotorRuthless Audio 18" 3" Coil Subwoofer Quad Stack Motor Sold by AudioSellerz.com The Ruthless Audio 18" 3" Coil Subwoof...$799.95 -
Ruthless Audio 15" 3" Coil Subwoofer Quad Stack MotorRuthless Audio 15" 3" Coil Subwoofer Quad Stack Motor Sold by AudioSellerz.com The Ruthless Audio 15" 3" Coil Subwoof...$749.95 -
Audio Sellerz Ruthless Audio BackpackThis medium size backpack is just what you need for daily use or sports activities! The pockets (including one for yo...$50.00
Ruthless Audio Amps, Amplifiers & Subwoofers
Sold by AudioSellerz.com
Shop Ruthless Audio amps, Ruthless amplifiers and Ruthless Audio subwoofers for daily drivers, loud bass systems, custom doors, demo vehicles, competition-style builds and high-output car audio systems.
Ruthless car audio equipment is built for customers who need more than a basic factory-radio upgrade. The lineup includes compact speaker amplifiers, four-channel amps, high-power full-range amplifiers, monoblock amplifiers and large-format subwoofers for serious systems.
Shop all car audio amplifiers | Shop monoblock amplifiers | Shop car audio subwoofers | Shop subwoofer boxes
Shop Ruthless Audio Amplifiers
The right Ruthless amplifier depends on what you are powering, the RMS requirements of the system, final impedance, available electrical support and how the vehicle will actually be used.
Popular Ruthless Audio amplifier options include:
- Ruthless Micro 400.4
- Ruthless Micro 800.4
- Ruthless Micro 1200.4
- Ruthless 1500.4
- Ruthless 5000.2
- Ruthless 1500.1 Micro
- Ruthless 2300.1
- Ruthless 4500.1
- Ruthless 7.5K
- Ruthless 10K
- Ruthless 12.5K
Model availability changes, so use the products shown on this collection page for current pricing and availability.
Ruthless Audio 2300.1 Amplifier
The Ruthless Audio 2300.1 is a 2,300-watt RMS monoblock rated at 1 ohm at 14.4 volts.
This model is a strong starting point for serious daily-driver bass systems that need substantially more power than an entry-level amplifier without immediately moving into 4,000-plus-watt territory.
Match the 2300.1 to the subwoofer system's combined RMS rating, voice-coil configuration and final wired impedance before ordering.
Ruthless Audio 4500.1 Amplifier
The Ruthless Audio 4500.1 is one of the most searched Ruthless amps and is rated for 4,500 watts RMS at 1 ohm at 14.4 volts.
The Ruthless Audio 4500 is suited to stronger daily bass systems, dual-subwoofer setups, demo-style builds and other applications that need substantially more power than the 2300.1.
At this level, the amplifier, battery reserve, alternator output, power wire, grounding and fuse protection all need to be planned together.
Ruthless Audio 7.5K Amplifier
The Ruthless Audio 7.5K steps into serious high-output territory with 7,500 watts RMS at 1 ohm at 14.4 volts.
This amplifier belongs in systems with the electrical support, wiring, battery capacity and charging system required to sustain high current demand.
A 7.5K-class amplifier should be planned as part of the entire electrical system rather than treated as a simple amplifier swap.
Ruthless Audio 10K Amplifier
The Ruthless Audio 10000.1 10K is rated for 10,000 watts RMS at 1 ohm at 14.4 volts and is intended for serious high-output bass systems.
Ruthless 10K amplifiers are commonly considered for:
- High-power subwoofer systems
- Multiple-subwoofer builds
- Large 15-inch and 18-inch systems
- Demo vehicles
- Wall builds
- Competition-style systems
- Extreme daily-driver bass builds
Audio Sellerz also carries color variations when available, including the Ruthless Audio 10000.1 Red 10K amplifier.
Ruthless Audio 12.5K Amplifier
The Ruthless Audio 12.5K is the largest Ruthless monoblock currently represented in this collection.
Customers may also search for this size of amplifier as a Ruthless 12K, but the product listed here is the Ruthless 12.5K model.
This amplifier is intended for extremely demanding bass systems with substantial electrical support. Power and ground wiring, battery reserve, alternator capacity, fusing, impedance and cooling all become critical at this level.
Ruthless Audio Monoblock Amplifiers
A monoblock amplifier means the amplifier has one amplified output channel. It does not automatically mean every monoblock is designed for exactly the same job.
The Ruthless monoblock models in this lineup are low-frequency amplifiers designed primarily around high-power subwoofer systems.
Ruthless monoblock amps can be used in builds such as:
- Single high-power subwoofer systems
- Dual-subwoofer systems
- Multiple-subwoofer builds
- Large trunk systems
- Subwoofer walls
- Demo vehicles
- Competition-style systems
The correct amplifier should be selected around the subwoofer system's total RMS power handling, voice-coil configuration, final impedance and electrical demand.
Compare more monoblock car audio amplifiers.
Selected Ruthless Amplifiers & 0.5-Ohm Operation
Selected Ruthless Audio monoblock product listings include manufacturer warranty provisions for approved 0.5-ohm operation when the exact requirements are followed.
This does not mean every Ruthless amp should automatically be wired to 0.5 ohm.
Lower impedance can substantially increase:
- Current demand
- Amplifier heat
- Battery demand
- Alternator demand
- Power-wire demand
- Stress on connections and grounds
Always review the exact product listing and warranty requirements before choosing the final load.
Ruthless Audio Four-Channel Amplifiers
Ruthless Audio is not only about giant bass amplifiers.
The brand also offers four-channel and compact amplifiers designed for:
- Door speakers
- Midrange speakers
- Midbass drivers
- Tweeters
- Coaxial speakers
- Component speakers
- Custom door builds
- Motorcycles
- Powersports systems
- Full-range speaker systems
Models such as the Ruthless 800.4 and 1500.4 give builders dedicated speaker power without using the same amplifier section that powers the subwoofers.
Browse our complete 4 channel amplifier collection.
Ruthless Audio Micro Series Amplifiers
The Ruthless Micro Series is built for installations where space is limited but dedicated amplifier power is still needed.
The Ruthless Audio Micro 800.4 is a compact marine-grade four-channel amplifier that works well for motorcycles, powersports systems, compact cars and other space-limited installations.
Micro Series amplifiers can be useful when a conventional full-size amplifier would be difficult to mount but the speakers still need more clean power than a head unit can provide.
Ruthless Audio 5000.2 Full-Range Amplifier
The Ruthless Audio 5000.2 is a high-power two-channel full-range amplifier designed for serious mids, midbass and high-output speaker systems.
This is very different from the Ruthless monoblock bass amplifiers.
A high-power full-range amp can be useful for:
- Large custom door builds
- 8-inch and 10-inch midrange speakers
- High-power midbass drivers
- Pro-audio speakers
- Speaker walls
- Demo vehicles
- Competition-style mids-and-highs systems
Compare additional 2 channel car audio amplifiers.
Ruthless Audio Subwoofers
Audio Sellerz also carries Ruthless Audio subwoofers, including high-output 15-inch and 18-inch models.
When matching a Ruthless amplifier and subwoofer, consider the entire system:
- Subwoofer RMS power handling
- Voice-coil configuration
- Number of subwoofers
- Final wired impedance
- Enclosure volume
- Port area and tuning
- Amplifier RMS output
- Electrical-system capability
Browse all car audio subwoofers and subwoofer boxes and enclosures.
Choosing the Right Ruthless Amp
Do not choose a Ruthless amp simply because one model has a larger number on the heatsink.
Start with:
- What speakers or subwoofers you need to power
- Total RMS power handling
- Voice-coil or speaker impedance
- Final wired impedance
- Number of amplifier channels required
- Available mounting space
- Battery reserve
- Alternator output
- Power and ground wiring
- Fuse protection
A properly matched 2300.1 can be a better amplifier for one system than a 10K that the electrical system cannot support.
Electrical Support for Ruthless Audio Amps
High-power Ruthless amplifiers can place substantial demand on a vehicle's electrical system.
Depending on amplifier power, the build may require:
- Properly sized OFC power and ground wire
- Big 3 wiring upgrades
- Additional battery capacity
- High-output alternator capacity
- Proper fuse protection
- Multiple power runs
- Strong low-resistance grounds
- Voltage monitoring
Shop car audio amp kits, Big 3 upgrade kits, fuse blocks and fuse holders, and Brand X high-output alternators and electrical upgrades.
Why Buy Ruthless Audio from Audio Sellerz?
Audio Sellerz is a real car audio shop that works with daily-driver systems, custom installations, high-output builds and competition-style equipment.
We do not look at an amplifier as a standalone product. The amp needs to work with the speakers or subwoofers, enclosure, wiring, fusing, battery capacity, alternator output, impedance and the way the vehicle will actually be used.
If you are unsure which Ruthless Audio amp is right for your system, use the live chat bubble on AudioSellerz.com and send us:
- Subwoofer or speaker model
- Number of speakers or subwoofers
- Voice-coil configuration
- Desired final impedance
- Current amplifier
- Battery setup
- Alternator output
- Vehicle information
- Your goal for the finished system
Ruthless Audio FAQs
What is Ruthless Audio?
Ruthless Audio is a car audio brand offering amplifiers and subwoofers for daily-driver, high-output, demo and competition-style systems.
Are Ruthless amps only for subwoofers?
No. Ruthless Audio offers monoblock amplifiers for low-frequency systems as well as four-channel, compact Micro Series and high-power full-range amplifiers for speakers, mids and midbass.
Which Ruthless amplifier is best for my subwoofers?
The correct amplifier depends on the subwoofers' combined RMS power handling, voice-coil configuration, final wired impedance and the electrical support available in the vehicle.
What is the Ruthless Audio 4500?
The Ruthless Audio 4500.1 is a high-power monoblock amplifier rated for 4,500 watts RMS at 1 ohm at 14.4 volts.
What is the difference between the Ruthless 2300.1 and 4500.1?
The 4500.1 provides substantially more rated output than the 2300.1 and therefore places greater demand on the vehicle electrical system. Choose based on the actual subwoofer system rather than simply buying the larger amplifier.
Does Ruthless Audio make a 10K amp?
Yes. The Ruthless Audio 10000.1 is a 10,000-watt RMS monoblock amplifier rated at 1 ohm at 14.4 volts.
Is the Ruthless 12K the same as the 12.5K?
Customers sometimes search for a Ruthless 12K when referring to this power class. The model listed in this collection is the Ruthless Audio 12.5K.
Can Ruthless amplifiers be used in daily drivers?
Yes, when the amplifier is properly matched to the equipment and supported by appropriate power wire, grounds, fusing, battery reserve, charging output and tuning.
Shop Ruthless Audio at Audio Sellerz
Shop AudioSellerz.com for Ruthless Audio, Ruthless amps, Ruthless amplifiers, Ruthless car audio amplifiers, Ruthless monoblock amps, Ruthless full-range amps, Ruthless Micro Series amplifiers and Ruthless Audio subwoofers.
Compare the models shown on this page, check current availability, and use our live chat if you need help matching the amplifier, subwoofers, speakers, enclosure and electrical system before ordering.














