10 Best Class D Amplifiers With Subwoofer Out in 2026: Top Picks for Home Theater, Desktop, and Car Audio

Choosing the right class D amplifier with subwoofer out can simplify your system while giving you tighter bass and cleaner overall sound. The best options make it easier to connect a sub, tune crossover settings, and match power to your speakers.

Below, we focus on practical picks for home, desktop, and car audio users who want solid performance without paying for features they will not use.

Best 10 Class D Amplifier with Subwoofer Out Picks for 2026

Best for Balanced 2.1 Systems – AIYIMA A20 2.1 Channel Power Amplifier

If you want a class d amplifier with subwoofer out that still leans serious about stereo performance, the AIYIMA A20 is built for exactly that kind of setup. Its 2.1 layout, adjustable high-pass filter, and fully balanced input options make it a strong fit for compact hi-fi systems that need clean speaker power plus an easy sub integration.

Best For: Listeners building a 2.1 desktop or living-room system who want balanced inputs, sub output support, and practical tuning controls.

Pros:

• Dedicated sub out with adjustable HPF for smoother speaker/sub integration
• Fully balanced XLR/RCA input support for flexible source hookup
• TPA3255 Class D design with PFFB for strong efficiency and detailed sound
• 12V trigger and bypass features suit more integrated home audio setups

Cons:

• More feature-rich than a simple plug-and-play amp
• Best results depend on pairing it with a properly matched subwoofer
• Not the cheapest option if you only need basic stereo amplification

Overall, the A20 stands out as a class d amplifier with subwoofer out for buyers who want better control than a basic mini amp can offer. It is a smart pick when you want clean power, balanced connectivity, and real 2.1 flexibility in one compact unit.

Best High-Power Pick – Skar Audio RP-1200.1D Monoblock Amp

If you want a class d amplifier with subwoofer out that can deliver serious bass without overcomplicating the install, the Skar Audio RP-1200.1D is a strong fit. It’s a 1-ohm stable monoblock built for real subwoofer duty, with a remote bass knob, onboard bass EQ, and enough RMS power to run a capable single sub or a pair of matching subs.

Best For: Drivers who want a powerful, affordable mono amp for a subwoofer setup with easy bass control from the cabin.

Pros:

• 1,200W RMS at 1 ohm for strong subwoofer output
• Remote subwoofer level control included for quick bass adjustments
• Onboard bass EQ, low-pass, and subsonic tuning help refine the system
• 4-way protection circuitry adds peace of mind

Cons:

• Monoblock design is only for subwoofer use, not full-range speakers
• Best performance depends on proper wiring and a 1-ohm capable setup

Overall, the RP-1200.1D is a practical choice if your priority is clean, controllable bass from a class d amplifier with subwoofer out-style convenience. It offers a nice balance of power, features, and value for everyday bass builds.

Best for Feature-Packed 2.1 Builds – AIYIMA A80 Bluetooth Stereo Amplifier DAC

If you want a class d amplifier with subwoofer out that also doubles as a capable DAC, the AIYIMA A80 is a strong all-in-one pick. It combines TPA3255 power, multiple digital and analog inputs, and a dedicated SUB pre-out, making it easy to build a simple stereo or 2.1 setup without extra boxes.

Best For: Listeners who want a compact desktop or living-room amp with digital inputs, subwoofer support, and flexible hookup options.

Pros:

• SUB pre-out makes adding a powered subwoofer straightforward
• Built-in ES9038Q2M DAC with USB, optical, coaxial, Bluetooth, and TRS input support
• TPA3255 Class D design with strong output and low distortion
• Useful extras like tone control, VU meter, and 12V trigger input

Cons:

• Not a full-feature AV receiver, so it’s better for stereo-focused systems
• Best results depend on pairing it with the right speakers and sub

For buyers comparing a class d amplifier with subwoofer out, the A80 stands out because it packs DAC, amp, and sub connection support into one tidy unit. It’s especially appealing if you want a flexible, modern 2.1 setup with less clutter and more input options.

Best Compact Value Pick – Skar Audio RP-350.1D Mono Amplifier

If you want a compact class d amplifier with subwoofer out that still delivers real bass control, the Skar Audio RP-350.1D is a strong value. It’s a 1-ohm stable monoblock with a remote bass knob, adjustable low-pass and subsonic filters, and enough output for a small to mid-size sub setup without taking up much space.

Best For: Drivers who want an affordable, space-saving monoblock for a single sub or a modest subwoofer pair with easy front-seat bass control.

Pros:

• 350W RMS at 1 ohm provides solid power for compact subwoofer builds
• Remote subwoofer level control makes bass adjustments simple on the fly
• Built-in bass EQ, low-pass filter, and subsonic filter improve tuning flexibility
• 4-way protection circuitry adds peace of mind during daily use

Cons:

• Not ideal for very large or high-output subwoofer systems
• Requires proper 1-ohm matching to get the most from its rated power

Overall, the RP-350.1D is a practical pick if you want a no-fuss class d amplifier with subwoofer out behavior in a small footprint. It’s especially appealing for buyers who care more about efficient, controllable bass than chasing maximum wattage.

Best Value 2.1 Pre-Out Pick – AIYIMA A07 Premium TPA3255 Amp

If you want a compact class d amplifier with subwoofer out support for a desktop or bookshelf setup, the AIYIMA A07 is a practical pick. It uses the TPA3255 chip for clean, efficient power and adds a 3.5 mm pre-out that can feed an active subwoofer or other powered gear for a simple 2.1 system.

Best For: Buyers building a small stereo setup with passive speakers and an external powered subwoofer, especially on a desk or in a compact room.

Pros:

• 3.5 mm pre-out makes subwoofer integration easy for 2.1 setups
• TPA3255-based Class D design stays cool and delivers strong output for the size
• Compact metal chassis fits well in desktop and bookshelf systems
• Upgradeable op-amp design appeals to hobbyists

Cons:

• No built-in Wi-Fi, Bluetooth, or streaming features
• Subwoofer control depends on the external powered sub or connected device
• Needs the right power supply to reach its full performance potential

The A07 is a smart choice if you need a straightforward class d amplifier with subwoofer out behavior without paying for extra features you may not use. It focuses on efficient power, simple connectivity, and flexible 2.1 expansion.

Best for Everyday Use – Orion Cobalt CBA2000.1D Monoblock Class D Amp

If you want a class d amplifier with subwoofer out performance built around strong bass output, the Orion Cobalt CBA2000.1D is a practical monoblock option. It pairs 1/2/4-ohm stability with an adjustable low-pass filter, bass boost, and a remote bass knob, so it fits well in systems where tuning matters as much as raw power.

Best For: Drivers building a single-sub setup who want a compact mono amp with plenty of headroom and simple bass control.

Pros:

• Up to 500W RMS at 1 ohm for strong subwoofer output
• 1/2/4-ohm stable design adds flexibility for different subs
• Includes bass knob plus low-pass, subsonic, and phase controls
• MOSFET power supply and protection circuitry support daily use

Cons:

• Not ideal for powering full-range speakers
• Best results depend on proper subwoofer and wiring match
• Power output is modest compared with the 2000W max marketing rating

Overall, this is a solid pick if you want a class d amplifier with subwoofer out-style bass control and straightforward setup for a dedicated sub. It is best suited to shoppers who care more about stable real-world RMS power and tuning features than flashy peak watt claims.

Best for Bass Tuning – Fosi Audio TB10D Stereo Amp

If you want a compact class d amplifier with subwoofer out-style bass control for a simple two-speaker setup, the Fosi Audio TB10D is a strong value pick. It uses the TPA3255 platform, offers bass and treble adjustment, and delivers plenty of power for bookshelf speakers, desktop audio, or a bass shaker rig.

Best For: Listeners who want an affordable mini amp with flexible sound shaping for passive speakers, TV audio, or a small home setup.

Pros:

• High-output Class D design with enough power for many passive speaker setups
• Bass and treble knobs make it easy to fine-tune the sound
• Compact footprint fits desktops, media shelves, and small rooms
• RCA input and passive speaker output keep hookups straightforward

Cons:

• No dedicated subwoofer output
• Best suited to simple systems rather than feature-heavy home theater use
• Requires passive speakers and an external source

Overall, the TB10D makes sense if you care more about clean power and easy tone control than extra home-theater features. It is a practical choice for anyone shopping for a class d amplifier with subwoofer out-like bass flexibility in a compact, budget-friendly package.

Best High-Power Monoblock – AUDIOZERONE ZE1000.1 2000W Monoblock

If you want a class d amplifier with subwoofer out for a compact bass-focused build, the AUDIOZERONE ZE1000.1 is built around a simple monoblock layout, strong output, and 1-ohm stability. It’s a practical fit for drivers who want efficient sub power without a bulky enclosure or overly complicated setup.

Best For: Budget-minded car audio buyers who need a dedicated mono amp for a subwoofer setup with solid power and protection features.

Pros:

• Up to 1000W RMS at 1 ohm for serious subwoofer output
• Class D design helps keep heat and power waste down
• 1-4 ohm stable for flexible subwoofer matching
• Includes thermal, overload, and short-circuit protection

Cons:

• Monoblock design means it’s only for subwoofer duty
• Large power claims should be weighed against real-world system needs
• No built-in convenience features beyond basic bass-focused controls

For shoppers comparing a class d amplifier with subwoofer out, this model stands out more for value and output than for polish. If your priority is a straightforward amp that can run a sub cleanly and efficiently, it covers the essentials well.

Best for Simple Subwoofer Power – Fosi Audio M04 Subwoofer Amp

The Fosi Audio M04 is a practical class d amplifier with subwoofer out for adding clean bass power to a passive sub or mono speaker setup. With a built-in low-pass filter, mode switching, and a compact footprint, it works well when you want straightforward low-frequency control without a bulky receiver.

Best For: Home theater or stereo listeners who need an affordable mono amp to drive a passive subwoofer.

Pros:

• 100W output is suitable for many small to mid-sized passive subwoofer setups.
• Switchable subwoofer and full-frequency mono modes add flexibility.
• Built-in low-pass filter and sub frequency control make tuning easier.
• Compact Class D design runs cool and saves space.

Cons:

• Mono-only design limits it to subwoofer or single-channel use.
• Included power supply may not satisfy users needing maximum output headroom.
• Not a full-featured AV receiver replacement.

If you mainly need a no-frills class d amplifier with subwoofer out for passive bass duty, the M04 is an easy value pick. It focuses on the essentials: efficient power, basic filtering, and compact packaging for simple home audio upgrades.

Best for Subwoofer Switching – AIYIMA A3001 Mini Mono Amp

If you want a compact class d amplifier with subwoofer out that can flip between bass duty and full-range mono use, the AIYIMA A3001 is built for exactly that job. Its TPA3255-based design, included 36V power supply, and built-in low-pass filter make it a practical pick for small home audio setups, desktop systems, and DIY subwoofer projects.

Best For: Buyers who need a simple mono amp for a passive subwoofer, active subwoofer, or a small full-range speaker setup with switchable output modes.

Pros:

• Switchable full-frequency and sub bass modes for flexible use
• Built-in low-pass filter makes subwoofer setup easier
• TPA3255/Class D design runs quietly and stays cool
• Includes a 36V 6A power adapter in the box

Cons:

• Single-channel mono design limits stereo use
• 300W figure is peak power, not the included-supply output
• Best suited to compact systems rather than large rooms

As a class d amplifier with subwoofer out, the A3001 stands out for its simple switching and straightforward setup more than raw output claims. It is a sensible choice if you want an affordable, compact amp that can handle bass-focused or full-range tasks without adding much complexity.

How We Picked the Best Class D Amplifier with Subwoofer Out

We focused on models that combine useful subwoofer output features with strong real-world value. That means enough power for the intended use, straightforward controls, and sensible connectivity such as RCA, XLR, Bluetooth, or speaker-level options where relevant. We also looked for amplifiers that offer workable crossover control, stable impedance support, and a design that fits common setups instead of forcing complicated wiring.

Quick Comparison: Which Type Fits Your Setup?

Not every Class D Amplifier with Subwoofer Out is built for the same job. Home audio models are usually better if you want a compact amp for bookshelf speakers plus a sub. Car audio monoblocks are the better choice when your goal is only to drive a subwoofer with high output. Desktop and mini amps are ideal when space matters and you want simple, efficient power for nearfield listening or a small stereo rig.

Key Buying Factors for a Class D Amplifier with Subwoofer Out

Power and Headroom

Match the amp’s rated power to your speakers and subwoofer, not just peak marketing numbers. RMS ratings matter more than maximum claims, especially if you want clean sound at higher volumes.

Subwoofer Connectivity and Control

Look for a true sub out, pre-out, or dedicated mono sub channel, depending on your setup. Helpful extras include adjustable low-pass crossover, gain control, phase control, and remote bass level adjustment.

Inputs and System Flexibility

RCA is common, but balanced inputs, USB, optical, or Bluetooth can make integration much easier. If you are building a compact home system, the right inputs can save you from needing extra gear.

Impedance Stability and Speaker Matching

For subwoofer amps, stable operation at the impedance you plan to use is essential. A good Class D Amplifier with Subwoofer Out should handle your load confidently without running hot or forcing you to change your speaker plan.

Who Should Buy Which Class D Amplifier with Subwoofer Out?

Choose a compact stereo amp if you want a simple two-speaker setup with optional bass support. Pick a mono sub amplifier if your main goal is deep, controlled bass in a car or home theater system. If you want a more complete all-in-one solution, look for a stereo amp with pre-out or sub out plus usable crossover controls.

For most buyers, the best choice is the model that balances power, flexibility, and easy setup. If you are unsure, start with the system you already own, then choose the amplifier that gives you the right output, the right connections, and enough control to tune the bass properly.