Every car stereo has its own personality, some drivers want a subtle lift in clarity for the morning commute, while others crave bass that rattles the rearview. The Infinity Reference series amplifiers are built to adapt, offering power that fits both tight spaces and demanding setups. Whether you’re wiring up a single sub or overhauling the entire cabin, these amps give you the control to shape your sound without the bulk.
List of Infinity Reference Series Amplifier
Below is a snapshot of the Infinity Reference lineup. Each model is designed for a specific role, from powering door speakers to driving a subwoofer. Use this breakdown to zero in on the amp that matches your system’s needs and your vehicle’s space constraints.
| Product | Best For | Why | Link |
|---|
| Infinity Reference-3004A Reference Series 4-Channe | Best for standard 4-speaker upgrades | A four-channel workhorse that delivers clean power for front and rear speakers without hogging trunk space. | View |
| Infinity Reference-6001A Reference Series Mono, 60 | Best for compact mono subwoofer setups | A mono amp with a bass knob, packing 600W into a chassis slim enough to tuck behind a seat. | View |
| Infinity Reference 7005A 700-Watt 5-Channel Class | Best for complete system integration | A five-channel Class D amp that powers your entire system, speakers and sub, from one tidy unit. | View |
| Infinity Reference 6001 – Mono, 600w X 1 amplifier | Best for simple mono bass control | A no-frills mono amp with remote level control, keeping bass adjustments within easy reach. | View |
| Infinity Reference-10001A Reference Series Mono, 1 | Best for high-output mono performance | A 1000W mono beast for when you need bass that doesn’t just sound big, it *feels* big. | View |
| Infinity Reference-7005A Reference Series 5-Channe | Best for integrated bass and speaker power | A five-channel amp with a wired remote, letting you dial in bass without crawling into the trunk. | View |
| Infinity REFERNCE1200D Reference Series Dual 12” S | Best for ready-to-install bass bundles | A complete bass package with amp, enclosure, and wiring, everything you need in one box. | View |
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Best for Standard Speaker Upgrades
Factory speakers often leave a lot on the table. Upgrading to aftermarket components can reveal details you never knew were missing, but only if the power behind them is clean and controlled. A four-channel amp gives you the headroom to drive front and rear speakers without distortion, filling the cabin with a balanced soundstage. The trick is finding one that fits where factory amps once lived, without forcing you to sacrifice trunk space for performance.
⭐ TOP PICKInfinity Reference-3004A Reference Series 4-Channel, 75w X 4
The Reference 3004A is the kind of amp that disappears into your setup but transforms the sound. Its compact chassis slips into tight spots, and the variable crossovers let you tailor the output to your new speakers. The balanced differential inputs are a quiet hero here, cutting through engine noise that can muddy up cheaper amps. For daily drivers, it’s a straightforward upgrade that doesn’t demand a full system overhaul.
✦ Compact footprint design✦ Variable electronic crossovers✦ Balanced Differential Inputs
💡 Pro Tip: If you’re keeping the factory head unit, the speaker-level inputs will make the install plug-and-play.
🔄 RUNNER-UPInfinity Reference 7005A 700-Watt 5-Channel Class D Amplifie
If you’re eyeing a subwoofer down the road, the 7005A consolidates everything into one unit. It’s a future-proof choice that saves you from running extra wiring later.
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Best for Compact Subwoofer Additions
Bass isn’t just about volume, it’s about impact. A subwoofer can turn a good system into a great one, but squeezing a large amp into a small car can feel like solving a puzzle. You need power that doesn’t come with a bulky footprint, and the ability to tweak the output from the driver’s seat. A low-profile mono amp with a remote bass knob lets you dial in the low end without crawling into the trunk every time your playlist changes.
⭐ TOP PICKInfinity Reference-6001A Reference Series Mono, 600w X 1 Amp
The Reference 6001A is built for tight spaces, delivering 600W of mono power in a chassis that won’t fight you for real estate. The included wired remote is a game-changer, mount it near the driver’s seat, and you can adjust the bass boost on the fly, whether you’re rolling with the windows down or parked at a show. The variable crossovers ensure the amp plays nice with your sub, so you’re not stuck with a one-note thump.
✦ Low-profile chassis✦ RBC wired remote✦ Bass boost circuits
💡 Pro Tip: If you’re running a ported enclosure, start with the bass boost at 6dB and adjust from there, it’s easier to add than to undo distortion.
🔄 RUNNER-UPInfinity Reference 6001 – Mono, 600w X 1 amplifier with Remo
The 6001 model is a stripped-down alternative if you don’t need the bass knob. It’s a no-frills Class D amp that gets the job done without extra clutter.
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Best for All-In-One Audio Systems
Wiring a full system can quickly turn into a spaghetti nightmare. Separate amps for speakers and subs mean more cables, more connections, and more potential for noise or signal loss. A five-channel amp simplifies the equation, letting you power your entire cabin from one unit. The best ones balance efficiency with control, giving you the flexibility to fine-tune your sound without turning your trunk into an electronics lab.
⭐ TOP PICKInfinity Reference 7005A 700-Watt 5-Channel Class D Amplifie
The 7005A is the Swiss Army knife of car amps. It powers four speakers and a subwoofer, cutting down on wiring and clutter. The low-profile design means it’ll fit where other amps won’t, and the variable crossovers let you shape the sound to match your setup. If you’re the type who wants a full system without the hassle, this is the amp that makes it possible.
✦ Five-channel Class D design✦ Reduced wiring requirements✦ Integrated bass boost
💡 Pro Tip: Label your channels during install, it’ll save you a headache if you ever need to troubleshoot later.
🔄 RUNNER-UPInfinity Reference-7005A Reference Series 5-Channel, 50w X 4
The 7005A with the bass knob gives you an extra layer of control, letting you tweak the low end without reaching for the amp itself.
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Best for High-Power Bass Enthusiasts
For some, bass isn’t just heard, it’s *felt*. If you’re chasing that kind of impact, you need an amp that can deliver serious power without breaking a sweat. A high-wattage mono amp with stable output is non-negotiable, but it also needs to be reliable. Overheating or distortion at high volumes can turn a great system into a frustrating one. The key is finding an amp that balances brute force with smart engineering.
⭐ TOP PICKInfinity Reference-10001A Reference Series Mono, 1000w x 1 A
The Reference 10001A is built for those who demand more. With 1000W of mono power, it’s designed to drive high-performance subs without flinching. The balanced inputs keep noise at bay, even when you’re pushing the limits, and the protection circuitry ensures the amp won’t bail on you mid-song. If you’re running a competition-level setup or just want bass that rattles the mirrors, this is the amp that delivers.
✦ 1000W RMS power✦ High-level inputs✦ Full protection circuitry
💡 Pro Tip: Before you commit, check your alternator’s output, this kind of power demands a robust electrical system.
🔄 RUNNER-UPInfinity REFERNCE1200D Reference Series Dual 12” Slip Stream
The 1200D bundle takes the guesswork out of high-power bass. It pairs the amp with a ported enclosure and wiring, so you’re not left piecing together components.
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Best for Simple Mono Bass Control
Not every system needs a sledgehammer. Sometimes, you just want a little more low-end presence without the complexity of a full bass setup. A straightforward mono amp with easy adjustments can be the perfect middle ground, enough power to make a difference, but simple enough to install and forget. The best ones keep noise to a minimum and let you tweak the output from the driver’s seat.
⭐ TOP PICKInfinity Reference 6001 – Mono, 600w X 1 amplifier with Remo
The Reference 6001 is the kind of amp that does one thing well: clean, efficient bass. The Class D design keeps heat and distortion in check, and the remote level control means you can adjust the output without stopping the car. It’s a no-nonsense choice for drivers who want better low end without the bells and whistles.
✦ Class D efficiency✦ Remote level control✦ Low distortion design
💡 Pro Tip: If you’re on a budget, this is the mono amp that gives you the most bang for your buck, no frills, just performance.
🔄 RUNNER-UPInfinity Reference-6001A Reference Series Mono, 600w X 1 Amp
The 6001A adds variable crossovers to the mix, giving you more control over how the amp interacts with your sub.
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Best for Complete Installation Kits
Building a system from scratch can feel like assembling IKEA furniture without the instructions. Compatibility issues, missing cables, and mismatched components can turn a weekend project into a month-long headache. A pre-packaged bundle eliminates the guesswork, giving you an amp, enclosure, and wiring that are designed to work together. It’s the closest you’ll get to plug-and-play in the car audio world.
⭐ TOP PICKInfinity REFERNCE1200D Reference Series Dual 12” Slip Stream
The Reference 1200D bundle is the all-in-one solution for serious bass. It includes a 1000W mono amp, a dual 12-inch enclosure, and a copper wiring kit, everything you need to hit the ground running. The enclosure is tuned for the amp, so you’re not left wondering if your sub is getting the power it needs. If you want a system that sounds pro without the trial and error, this is the way to go.
✦ Dual 12-inch ported enclosure✦ Includes copper wiring kit✦ High-wattage mono amplifier
💡 Pro Tip: If you’re new to car audio, this kit takes the complexity out of the equation, just follow the instructions and enjoy the results.
🔄 RUNNER-UPInfinity Reference-10001A Reference Series Mono, 1000w x 1 A
If you’d rather choose your own enclosure, the 10001A amp is available separately. It’s a good option if you’ve got a specific setup in mind.
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🎯 Which Scenario Are You?
Picking the right amp comes down to two questions: What do you want your system to do, and what does your vehicle allow? A small car might need a compact mono amp, while a full system demands a five-channel workhorse. Budget plays a role too, some setups can be built piecemeal, while others benefit from a bundled approach. These questions will help you narrow the field.
❓ What is your primary concern?
If space is tight, lean toward the low-profile mono or four-channel amps. If bass is the priority, focus on wattage and stability.
❓ What is your budget level?
Mono amps are the most affordable entry point. Five-channel amps cost more upfront but save you from buying separate units later.
❓ How often will you use it?
Daily drivers need reliability and noise rejection. Show cars can prioritize power and tuning flexibility, but don’t overlook protection circuitry, it’s what keeps your amp running for years.
Frequently Asked Questions
How do I choose an Infinity reference series amplifier?
Count your speakers. A four-channel amp covers front and rear pairs, while a mono amp is strictly for subwoofers. Five-channel amps handle both.
Can an Infinity reference series amplifier fit in small cars?
Absolutely. Most models in the Reference series are designed with a low-profile chassis, making them a good fit for compact cars or tight installs.
Will an Infinity reference series amplifier work with factory radios?
Yes, many of these amps include speaker-level inputs, so you can connect them directly to a factory stereo without an adapter.
Are Infinity reference series amplifiers durable for daily use?
They’re built with protection against short circuits, overheating, and voltage spikes. That means fewer headaches during long drives or extreme weather.
Which Infinity reference series amplifier is best for a full system?
The five-channel models are the best of both worlds. They power your speakers and a subwoofer, cutting down on wiring and keeping your system streamlined.
