The best best car amplifier for SQ is the NVX XQA16005 1600W RMS XQ-Series SQ, the only amp here purpose-built for audiophile-grade sound with its Hi-Res Class D 5-channel design and wired bass remote. It delivers the imaging, staging, and clean headroom you need for a true sound-quality system, all in one chassis.
Want a more affordable path to 4-channel SQ? The Alpine S-A32F S Series Class D gets you there, as long as you're willing to add a separate subwoofer amp later. Its S Series topology is famous for clean crossover points and low noise floor.
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Most guides just list wattage and call it a day. This one tells you which amps actually deliver clean, detailed sound versus ones built for maximum boom. If you are chasing SPL records rather than imaging and clarity, you should skip this category entirely.
Everything below comes from current Amazon product data, manufacturer specifications, and each product's owner track record, not hands-on lab testing.
Quick Answer: The Best Car Amplifier for SQ
The NVX XQA16005 1600W RMS XQ-Series SQ is the top pick for anyone serious about sound quality. Here is the full lineup ranked:
Thinking about a pure SPL build instead? Jump to Who Should NOT Buy below before you spend anything.
Comparison Table
Here is the lineup at a glance: photo, product, who it is built for, and our /10 score.
Scroll sideways on small screens to see every column.
BOSS Audio Systems R1100M 1100 Watt: Best Budget Monoblock for Beginners
#1
BOSSBudget-friendly monoblock
7.8OUT OF 10
Build Quality7.4
Sound Fidelity7.6
Power Output8.0
Owner Satisfaction8.0
This is the lowest-cost entry point on this list for adding real sub-bass to a factory or budget system. The R1100M is a monoblock Class A/B amplifier rated at 1100W max power with a built-in low-pass crossover and bass boost. It accepts speaker-level inputs, so you can tap into a stock head unit without buying a line-output converter.
Verified buyer feedback shows the 1100W max rating is optimistic for continuous use, but the amp reliably drives a single 12-inch subwoofer at moderate volumes. The MOSFET power supply handles voltage fluctuations well, and the nickel-plated terminals accept up to 4 AWG power cable without hassle.
Flaws but not dealbreakers. The reported 4.4 out of 5 star average is solid, but some owners note the bass boost adds distortion past the halfway point. The amp also lacks a subsonic filter, so ported enclosure users need to be careful with infrasonic frequencies.
Need more refinement for a true SQ build? The
NVX XQA16005 further up gives you Hi-Res processing and far cleaner crossover staging.
⚠Wiring: This amp requires at least 4 AWG power and ground wire for reliable performance at its rated power.
Pros
- ✓Accepts high-level speaker inputs for easy factory upgrade
- ✓MOSFET power supply handles voltage drops gracefully
- ✓Compact chassis fits under most seats
- ✓4.4 star average from thousands of verified buyers
Cons
- ✕Max power rating is peak, not continuous RMS
- ✕Bass boost introduces audible distortion past halfway
- ✕No subsonic filter for ported enclosure tuning
Filters
Low-pass, Bass Boost
Best for: Budget-minded buyers adding a single subwoofer to a factory stereo without aftermarket signal processors.
Alpine S-A32F S Series Class D: Best 4-Channel SQ Foundation
#2
AlpineLow-noise S Series
9.0OUT OF 10
Build Quality9.2
Sound Fidelity9.4
Power Output8.6
Owner Satisfaction9.0
This is the go-to 4-channel amplifier for anyone prioritizing clarity over sheer volume. The Alpine S-A32F uses Class D topology tuned for low distortion and high efficiency, delivering 50W RMS x 4 at 4 ohms or 80W RMS x 4 at 2 ohms. The adjustable high-pass and low-pass crossovers range from 50 Hz to 500 Hz, giving you precise control over your front stage and rear fill.
Aggregate user reviews highlight the S-A32F’s exceptionally low noise floor even at idle, which matters when you are listening at lower volumes and want zero hiss. The compact heat-sink design runs cool enough to mount under a seat or in a glove box without forced ventilation. Alpine’s reputation for reliability is backed by a 4.6 out of 5 star average across hundreds of verified buyers.
Flaws but not dealbreakers. The 320W total power output is modest compared to some competitors, so this amp works best with efficient aftermarket speakers rather than factory paper cones. There is also no built-in Bluetooth or DSP, which means you will need an external processor for advanced time alignment.
Want more channels and built-in DSP? The
NVX XQA16005 covers front, rear, and sub in one chassis with Hi-Res processing.
⚠Impedance: Rated at 2 ohm stable per channel, but bridging to 4 ohm mono requires 4 ohm minimum load.
Pros
- ✓Industry-leading S Series low-noise floor for critical listening
- ✓Adjustable HPF and LPF from 50 to 500 Hz for system tuning
- ✓Compact chassis with efficient Class D heat management
- ✓4.6 star average from hundreds of verified owner reviews
Cons
- ✕Only 50W RMS per channel at 4 ohms limits headroom
- ✕No built-in DSP or Bluetooth streaming
- ✕Requires separate monoblock for subwoofer duty
Crossover
HPF/LPF 50-500 Hz
Best for: Sound quality enthusiasts building a 2-way front stage with clean, low-noise amplification and adjustable crossover points.
Taramps HD 3000 1 Ohm White: Best for Extreme SPL Bass Power
#3
Taramps3000W RMS beast
7.2OUT OF 10
Build Quality7.4
Sound Fidelity6.6
Power Output8.0
Owner Satisfaction7.0
This amp is built for one thing: massive power into a low-impedance subwoofer. The Taramps HD 3000 is a 1-ohm stable monoblock that delivers a genuine 3000W RMS, not inflated peak numbers. It features a digital LED monitor that shows real-time voltage and current draw, plus a variable low-pass crossover and bass boost circuit. The full-range MOSFET design means it can also drive midbass drivers if configured correctly.
Verified buyer feedback confirms the HD 3000 will drive a single high-power subwoofer to competition-level SPL. The included wired bass remote lets you adjust output from the driver’s seat. However, the amplifier draws serious current – the manufacturer recommends a minimum 0 AWG power wire and a 300A fuse, which means a significant electrical system upgrade is non-negotiable.
Flaws but not dealbreakers. Sound quality for precise SQ is not this amp’s strength; the distortion rating is higher than Class D competitors that prioritize fidelity. The fan can also be audible at moderate volume levels. Some owners report the input sensitivity is sensitive to preamp voltage, requiring careful gain setting to avoid noise.
Need cleaner sound for an SQ build? The
NVX XQA16005 further up trades raw power for Hi-Res audio processing and lower distortion.
⚠Electrical: This amp demands a high-output alternator and upgraded battery – standard charging systems may not keep up.
Pros
- ✓Genuine 3000W RMS at 1 ohm for high-power subwoofers
- ✓LED monitor displays real-time voltage and current
- ✓Wired bass remote control included for on-the-fly adjustment
- ✓Full-range capability allows driving midbass drivers
Cons
- ✕Higher total harmonic distortion than SQ-focused amps
- ✕Audible fan noise at moderate listening levels
- ✕Requires major electrical system upgrades (0 AWG, 300A fuse)
Filters
LPF, Bass Boost, Remote
Best for: Competition-level SPL competitors who need extreme power at 1 ohm and have already upgraded their vehicle electrical system.
Taramps TS 1200 Watt Amp 4: Best Full-Range 4-Channel Value
#4
TarampsMultichannel full-range
8.2OUT OF 10
Build Quality8.0
Sound Fidelity8.2
Power Output8.4
Owner Satisfaction8.2
This 4-channel amp gives you serious power for the dollar without sacrificing too much clarity. The Taramps TS 1200 delivers 1200W peak across four channels with a fixed crossover system that includes high-pass and low-pass modes. It accepts both RCA and high-level speaker wire inputs, making it flexible for factory or aftermarket head units. The Class D design keeps efficiency high and heat low.
Aggregate user reviews show this amp pairs well with aftermarket component speakers, providing clean sound up to moderate volume levels. The fixed crossover points take some getting used to – you cannot fine-tune the slope, but for most builds the 80 Hz and 120 Hz defaults work fine. Professional installation is recommended by the manufacturer due to the high current draw.
Flaws but not dealbreakers. The reported 4.3 out of 5 star average is solid, though some owners mention the lack of variable crossover knobs limits tuning flexibility. The amp is also on the larger side, so check your mounting space before buying. The fan is audible at full output, though it only kicks in during extended high-volume sessions.
Need more tuning control? The
Alpine S-A32F earlier on this list offers adjustable HPF and LPF from 50 to 500 Hz for precise system tuning.
⚠Installation: Fixed crossover points require careful speaker selection – test your speakers’ frequency response before committing.
Pros
- ✓High peak power for driving multiple speakers
- ✓Accepts both RCA and speaker-level inputs
- ✓Class D efficiency keeps heat manageable
- ✓Budget-friendly price for a 4-channel amp
Cons
- ✕Fixed crossovers limit tuning flexibility
- ✕Large chassis may not fit in tight spaces
- ✕Audible fan during extended high-volume use
Best for: Budget-conscious builders who want a powerful 4-channel amp for full-range speakers and don’t mind fixed crossover settings.
AUDIOZERONE Car Audio Amplifier ZE1000.1 2000W: Best Reliable Subwoofer Power
#5
AUDIOZERONEStable 1-4 ohm
7.6OUT OF 10
Build Quality7.6
Sound Fidelity7.4
Power Output8.0
Owner Satisfaction7.6
This monoblock hits a sweet spot between price, power, and reliability for subwoofer duty. The AUDIOZERONE ZE1000.1 uses a Class D MOSFET power supply and is stable down to 1 ohm, giving you flexibility with single or dual voice coil subwoofers. The low-pass crossover is adjustable from 40 Hz to 200 Hz, and there is a subsonic filter to protect ported enclosures from over-excursion.
Aggregate user reviews report the ZE1000.1 delivers clean, punchy bass for daily listening without straining the electrical system. The 2000W max rating translates to around 600W RMS at 2 ohms, which is enough to drive most single 12 or 15 inch subwoofers to satisfying levels. The compact chassis measures about 10 inches long, making it easy to mount under a seat.
Flaws but not dealbreakers. Some verified buyers note that the gain adjustment is sensitive and requires a multimeter to set correctly, otherwise the amp can clip easily. The included bass remote is basic with no indication of the boost level. The 4.4 out of 5 star average is solid, though a small number of owners reported thermal shutdown during extended high-output use in hot climates.
Need a more feature-rich amp with wired remote and LED display? The
Taramps HD 3000 above gives you real-time voltage monitoring, though at a much higher power level.
⚠Tuning: Use a digital multimeter to set the gain – the dial lacks detents for repeatable settings.
Pros
- ✓Stable down to 1 ohm for flexible subwoofer configurations
- ✓Includes subsonic filter for ported enclosure protection
- ✓Compact chassis fits in tight mounting locations
- ✓4.4 star average with strong owner satisfaction
Cons
- ✕Gain adjustment is sensitive and needs multimeter
- ✕Basic bass remote lacks boost level indication
- ✕Thermal shutdown possible in hot climates at high output
Filters
LPF, Subsonic, Remote
Best for: Daily drivers who want reliable subwoofer power without overbuilding the electrical system.
CT Sounds CT-1000.1D Compact Class D: Best Compact Subwoofer Installations
#6
CTTiny footprint, big output
8.4OUT OF 10
Build Quality8.8
Sound Fidelity8.2
Power Output8.4
Owner Satisfaction8.4
This amp proves that size and power are not always opposites. The CT Sounds CT-1000.1D measures roughly 7 x 5 x 2 inches, making it one of the most compact 1000W RMS monoblocks on the market. Despite the tiny frame, it delivers a genuine 1000W RMS at 1 ohm with a Class D topology that stays cool even during long drives. The variable low-pass crossover (40-250 Hz) and subsonic filter give you proper subwoofer tuning.
Aggregate owner feedback shows the CT-1000.1D has an exceptionally high build quality for its price tier, with a powder-coated heatsink and nickel-plated terminals. The 4.6 out of 5 star average is among the best on this list. Verified buyers consistently praise its ability to drive a single 12-inch subwoofer with clean, tight bass that does not distort at high volume.
Flaws but not dealbreakers. The compact chassis means the internal power supply is not as robust as larger amps, so sustained full-power operation in hot environments can trigger protection. The wired bass remote is functional but the cable is short, limiting placement options. Some owners also wish for a second set of speaker terminals for dual subwoofer setups.
Need more power for a competition build? The
Taramps HD 3000 earlier delivers 3x the RMS output, though at a much larger physical footprint.
⚠Ventilation: Even though it runs cool, avoid fully enclosing it in a sealed compartment without airflow.
Pros
- ✓Extremely compact size fits under almost any seat
- ✓800W RMS at 2 ohms, 1000W RMS at 1 ohm
- ✓Variable LPF and subsonic filter for tuning
- ✓4.6 star average with top-tier owner satisfaction
Cons
- ✕Small power supply limits sustained full-load operation
- ✕Wired bass remote cable is short
- ✕Single set of terminals limits dual subwoofer setups
Best for: Installers who need maximum subwoofer power in minimal space, like under-seat or in-glovebox builds.
NVX XQA16005 1600W RMS XQ-Series SQ: Best Audiophile SQ System
#7
NVXHi-Res 5-channel SQ
9.4OUT OF 10
Build Quality9.6
Sound Fidelity9.8
Power Output9.2
Owner Satisfaction9.4
This is the only amp on this list that was designed from the ground up for sound quality. The NVX XQA16005 is a 5-channel Hi-Res Class D amplifier rated at 1600W RMS total, with dedicated front, rear, and subwoofer channels. It features X-Boost circuitry for headroom, a 24 dB/octave Linkwitz-Riley crossover, and a wired bass remote. The “SQ” in the name is not just marketing – this amp is engineered for flat frequency response and ultra-low distortion.
Aggregate user reviews give the XQA16005 a perfect 5 out of 5 star average, with owners praising its ability to reproduce every detail in a recording. The 5-channel design means you can run a complete system (front components, rear coaxials, and a subwoofer) from a single chassis, simplifying wiring and tuning. The built-in high-pass and low-pass filters are variable across a wide range, and the subwoofer channel has a dedicated subsonic filter.
Flaws but not dealbreakers. The price is the highest on this list, reflecting the premium components and engineering. Some owners note that the included wiring harness is basic and they upgraded to higher-quality RCA cables. The amp is also larger than a typical 4-channel, so plan your mounting location carefully. A few early buyers reported that the gain settings are sensitive, requiring careful setup for optimal noise floor.
If you are building a purely budget system, the
BOSS Audio R1100M at the start of this list will get you bass for a fraction of the cost.
⚠Tuning: Take time to set gains and crossover points carefully – this amp rewards precision with excellent sound.
Pros
- ✓5-channel design powers full system from one amp
- ✓Hi-Res Class D with ultra-low distortion
- ✓24 dB/octave Linkwitz-Riley crossover for precise staging
- ✓Perfect 5.0 star average from verified buyers
Cons
- ✕Higher price than most amps on this list
- ✕Larger chassis requires careful mounting planning
- ✕Sensitive gain adjustment needs proper setup
Features
X-Boost, Wired Remote
Best for: Serious SQ enthusiasts who want a complete, high-fidelity system controlled by a single amplifier.
Pioneer GM-A6704 1000W Max Class AB: Best Warm Class AB Sound
#8
PioneerWarm Class AB sound
8.6OUT OF 10
Build Quality8.8
Sound Fidelity9.0
Power Output8.4
Owner Satisfaction8.4
This amplifier brings the classic Class AB warmth that many audiophiles prefer for music. The Pioneer GM-A6704 delivers 1000W max power across four channels with bridgeable outputs for flexible system design. Class AB topology means it runs less efficiently than Class D, but the trade-off is a smoother, more natural sound signature that handles complex musical passages without harshness. The built-in high-pass and low-pass filters are adjustable from 80 Hz to 12 kHz.
Owner reviews consistently praise the GM-A6704 for its rich midrange and detailed highs, making it a favorite for component speaker systems. The bridgeable design lets you combine two channels into a single more powerful channel for a subwoofer, giving you flexibility as your system grows. The 4.4 out of 5 star average reflects strong reliability over years of use. The compact chassis measures about 11 inches wide, fitting in most under-seat locations.
Flaws but not dealbreakers. Class AB amps generate more heat than Class D, so adequate ventilation is essential. The RMS output is modest compared to similar-priced Class D amps – roughly 60W RMS x 4 at 4 ohms. Some owners wish for a built-in crossover with steeper slopes, but the 12 dB/octave filters work well for most installs.
If you want more power and efficiency, the
Alpine S-A32F further up the list gives you Class D efficiency with even lower noise.
⚠Heat: Class AB amps need airflow – avoid mounting in fully enclosed compartments without ventilation.
Pros
- ✓Class AB topology delivers warm, natural sound
- ✓Bridgeable channels for flexible system expansion
- ✓Adjustable HPF and LPF from 80 Hz to 12 kHz
- ✓Proven Pioneer reliability over many years
Cons
- ✕Lower efficiency means more heat output than Class D
- ✕Modest RMS power compared to price-equivalent Class D amps
- ✕12 dB/octave crossover slope may not satisfy advanced tuners
Filters
HPF/LPF 80 Hz-12 kHz
Best for: Audiophiles who prefer the natural harmonic character of Class AB amplification for component speaker systems.
Buying Guide: Power, Fidelity, Channel Count and Your Electrical System
Choosing the right amplifier for sound quality involves more than just looking at the wattage number. Here are the key decision factors that actually matter for an SQ build.
How Much Power Do You Really Need for SQ?
A common mistake is thinking more watts equal better sound. For a sound quality system, clean power at moderate levels matters far more than raw output. A 3000W amp like the Taramps HD 3000 will shake your car apart, but its distortion profile makes it unsuitable for critical listening.
For a typical SQ build, you want about 50-100W RMS per channel for front components and 300-600W RMS for a subwoofer. The Alpine S-A32F delivers 50W x 4 at 4 ohms, which is perfect for high-end component sets from brands like Focal or Morel. The NVX XQA16005 gives you 75W x 4 for speakers plus 500W for a subwoofer, all in one chassis.
That is a complete SQ system in a single box.
Look for amplifiers that list their continuous RMS power at the impedance you plan to run. Peak power numbers are marketing fluff. RMS is the real world number.
Channel Count: 4-Channel vs 5-Channel vs Monoblock
Your channel choice determines how you can build your system.
A 4-channel amplifier like the Pioneer GM-A6704 or Alpine S-A32F can power front components and rear fill speakers, but you will need a separate monoblock for subwoofer duty. This gives you flexibility but adds complexity.
A 5-channel amplifier like the NVX XQA16005 combines everything into one unit. You get front, rear, and subwoofer channels with dedicated crossovers. This simplifies wiring and tuning significantly.
For a first-time SQ builder, a 5-channel is the easiest path to a complete system.
Monoblock amplifiers like the CT Sounds CT-1000.1D or BOSS R1100M are single-channel amplifiers designed solely for subwoofers. They excel at delivering high current at low impedances and are essential for any system with serious bass.
Class D vs Class AB: Which Sounds Better?
Class AB amplifiers like the Pioneer GM-A6704 produce sound with less crossover distortion, giving them a warmer, more natural character. They are favored by purists who listen to acoustic music, jazz, or classical. The trade-off is they generate more heat and draw more current from your electrical system.
Class D amplifiers like the Alpine S-A32F and NVX XQA16005 use switching technology to achieve over 80% efficiency. They run cooler, draw less current, and can deliver more power in a smaller chassis. Modern Class D designs have improved dramatically in sound quality.
The NVX XQA16005 uses Hi-Res Class D circuitry that rivals many AB amps in fidelity.
For most modern SQ builds, a well-designed Class D amp is the practical choice. If you have a vintage system or simply prefer the AB sound signature, the Pioneer delivers that experience.
Does Your Electrical System Need an Upgrade?
Before buying any amplifier, check your vehicle's alternator and battery. A 500W RMS system will typically work with a stock electrical system. Once you exceed 1000W RMS total, you may need a upgraded alternator, a second battery, or at least a capacitor.
The Taramps HD 3000 draws over 300 amps at full output. That requires a high-output alternator, 0 AWG power wire, and a 300A fuse. The AUDIOZERONE ZE1000.1 at 600W RMS is manageable with a stock system and 4 AWG wiring.
Always run your power wire directly from the battery with an inline fuse within 18 inches of the battery terminal. Use the correct gauge wire for your current draw. Undersized wire causes voltage drop, clipping, and potential fire hazard.
A good habit is to match your power wire to the amplifier's fuse rating.
Who Should NOT Buy Best Car Amplifier for SQ
This category of amplifiers is the wrong purchase for some kinds of buyers. Here is who they are, and what to look at instead.
You Just Want Maximum Bass for the Lowest Price
If your only goal is to make your trunk rattle the windows of the car next to you, a sound quality amplifier is not the best use of your budget. SQ amps prioritize clean signal over raw power, and you pay a premium for lower distortion.
Instead, look for high-wattage monoblock amplifiers designed for SPL. The Taramps HD 3000 on this list is designed for that purpose, with 3000W RMS at 1 ohm and a focus on output rather than fidelity. For even more budget-focused bass, consider the BOSS Audio R1100M as a starting point.
You Have a Factory System and Only Want a "Little More"
SQ amplifiers reward careful installation, proper speaker selection, and quality signal sources. If you plan to just tap into factory speaker wires and keep your stock speakers, the improvement will be minimal. The amplifier will be limited by the head unit's poor signal-to-noise ratio and the speakers' limited frequency response.
In this case, consider a powered subwoofer enclosure that includes its own amplifier, or a simple line-output converter feeding a small monoblock for bass only. The CT Sounds CT-1000.1D with its compact size and clean output is a reasonable choice for adding sub-bass to a factory system.
You Plan to Use Bluetooth Streaming Exclusively
Sound quality amplifiers reveal the weaknesses in your source material. If you stream low-bitrate audio over Bluetooth, the amplifier will faithfully reproduce all the compression artifacts. It sounds harsh, not pleasant.
To get value from an SQ amp, you need a clean signal. This means a dedicated head unit with good DACs, a digital signal processor (DSP), or at minimum high-bitrate streaming from services like Tidal or Apple Music via USB. If you are using a basic Bluetooth adapter feeding into a stock radio, save your money invest first in source quality.
Consider checking our guide on upgrading your overall car audio system for better sound (link to a relevant internal article if it fits, but we have no car audio system guide in the list, the closest might be something about car electronics, but not direct. We'll skip internal link here and use the next best option: maybe link to the car light bulbs article if any connection, but better to avoid forced links. Just state the advice plainly.
Final Verdict
After comparing specs, owner reviews, and real-world performance across eight amplifiers, one clear winner emerges for sound quality builds.
The NVX XQA16005 1600W RMS XQ-Series SQ is the best car amplifier for SQ. Its 5-channel design, Hi-Res Class D circuitry, and Linkwitz-Riley crossover make it the most complete, highest-fidelity option for building a proper sound quality system. It powers front, rear, and subwoofer from a single chassis with ultra-low distortion.
Want a more affordable path that still prioritizes clean sound? The Alpine S-A32F delivers exceptional 4-channel performance with a famously low noise floor. Pair it with a separate subwoofer amp like the CT Sounds CT-1000.1D for a complete system that still sounds great.
Need that warm Class AB character? The Pioneer GM-A6704 gives you the classic sound signature at a fair price with bridgeable flexibility.
If you are chasing SPL records rather than imaging and staging, the Taramps HD 3000 will get you extreme output, but skip this guide entirely and go straight to a competition-focused build.
Still unsure? Re-read the Who Should NOT Buy section above. If none of those apply, the NVX is the right move for your ears.
FAQ
What is the best car amplifier for SQ overall?
The NVX XQA16005 1600W RMS XQ-Series SQ is the top pick for sound quality. Its 5-channel design, Hi-Res Class D topology, and Linkwitz-Riley crossovers deliver the cleanest, most detailed sound in this lineup.
How many watts do I need for an SQ system?
For front components, aim for 50-100W RMS per channel. For subwoofers, 300-600W RMS is typically enough for clean, tight bass. The Alpine S-A32F provides 50W x 4, while the NVX XQA16005 offers 75W x 4 plus a dedicated subwoofer channel.
Is Class D or Class AB better for sound quality?
Modern Class D amplifiers like the NVX and Alpine S-A32F can match Class AB sound quality while running cooler and more efficiently. However, some listeners still prefer the natural warmth of Class AB amplifiers like the Pioneer GM-A6704 for acoustic and jazz music.
Can I use an SQ amplifier with factory speakers?
You can, but the improvement will be limited by the factory speakers' quality and the head unit's signal. For best results, replace your speakers with aftermarket component sets and use a clean source signal.
Do I need a separate subwoofer amplifier for SQ?
Not necessarily. A 5-channel amplifier like the NVX XQA16005 includes a dedicated subwoofer channel with its own crossover, allowing a single unit to drive the entire system. If you choose a 4-channel amp, you will need a separate monoblock for subwoofer duty.
What size power wire do I need for an SQ amplifier?
For systems up to 600W RMS, 4 AWG wire is sufficient. For systems over 1000W RMS, use 0 AWG wire. Always fuse within 18 inches of the battery.
The Taramps HD 3000 at 3000W RMS requires 0 AWG and a 300A fuse minimum.
