Kicker 48KMA8001 KMA800.1 1x800w Weather-Resistant Mono Sub Amplifier
Quick take
The Kicker 48KMA800.1 is a 1-channel mono marine amplifier designed to power a single subwoofer, with built-in tuning controls for getting the bass response you want on the water. Its weather-focused build uses conformal-coated circuit boards and 316L stainless-steel, making it a practical pick for boats and other marine setups. The main thing to double-check is whether its mono sub power and your subwoofer’s impedance match your specific audio plan.
Pros and cons
Pros
- Built for marine use with conformal-coated circuit boards to help repel moisture and 316L stainless-steel, no-rust hardware.
- 1-channel mono design (800W output rated) targeted specifically at powering a single subwoofer.
- Onboard tuning tools include built-in variable crossovers, a subsonic filter, and a KickEQ bass boost.
- Small footprint helps tuck the amp away in tighter installs.
Cons
- Mono sub-only, so it is not suitable if you want a multi-channel amplifier for speakers and subwoofer together.
- Like any sub amp, you will want to verify impedance and wiring details before installation.
What buyers think
Buyer feedback centers on how the amplifier performs in real marine installs, with comments highlighting strong power for a Kicker 10-inch subwoofer setup and positive sound quality. Several buyers describe the results as exceeding expectations for punch and overall bass impact, and they tend to mention that the setup is enjoyable and draws compliments. The overall review sample is small, so buyer-review evidence is limited, but the recurring themes are clean bass output and straightforward integration into common boat or watercraft subwoofer builds.
Key features that matter for marine sub installs
Weather-resistant construction
This amp is built around marine durability, including conformal-coated circuit boards that help repel moisture and 316L stainless-steel hardware intended to resist rust. If your setup lives in splash zones or variable conditions, this kind of protection is a practical advantage over standard automotive-only hardware.
Tuning controls for real bass adjustment
Instead of relying entirely on the head unit or a separate DSP, the 48KMA800.1 includes onboard adjustment options that help you shape the bass response. It features built-in 12 dB crossovers, a 24 dB subsonic filter (noted for the KMA800.1 variant), and a KickEQ variable 6 dB bass boost. These controls are especially useful when you need to dial out muddy low end or improve how the sub couples with your enclosure.
Designed for a single-subwoofer system
With 1 channel and mono sub capability, this amplifier is intended for setups where you have one subwoofer to drive. If you are adding or upgrading bass to an existing boat audio system, that makes it a clean, focused choice, but it also means you cannot use it to power multiple speaker zones.
Specs overview (so you can confirm fit)
- Output power: 800 watts (1 ohm mono rating), with maximum output power listed as 1200 watts.
- Frequency response: 25 Hz to 200 Hz, with +0/-1 dB noted.
- Input sensitivity: high (250 mV to 10V) and low (125 mV to 5V), which can help with compatibility across different receiver outputs.
- Max supply voltage: 14V.
- Mounting: surface mount.
- Dimensions: 12.8 x 9 x 4.3 inches.
- Unit weight: 5 pounds.
- Warranty: 1-year manufacturer warranty.
Pros and cons by real buyer priorities
Good fit if you want
- A dedicated mono marine sub amplifier, ideally for a single enclosed or sealed marine subwoofer.
- Integrated crossover and bass tuning controls so you can fine-tune without extra hardware.
- Marine-oriented build features intended to reduce corrosion risk over time.
Not the right fit if you need
- A multi-channel amplifier for full-range speakers plus sub, since this is a 1-channel mono design.
- Power that matches a different impedance or wiring plan than what your sub requires, since correct matching is essential for performance and safe operation.
Verdict: should you buy it?
The Kicker 48KMA800.1 is a purpose-built mono marine sub amplifier that emphasizes marine durability and onboard bass tuning. If your goal is to improve subwoofer punch with a single-sub setup, the combination of weather-focused construction and adjustable crossover, subsonic filtering, and KickEQ bass boost makes it easy to justify. Just make sure your sub’s impedance and your wiring plan line up with the amp’s mono sub expectations before you commit.
FAQ
Is the Kicker 48KMA800.1 only for powering a subwoofer?
Yes. It is a 1-channel mono amplifier designed for a single subwoofer, not for powering multiple speaker channels.
What tuning controls does it include?
It includes built-in crossover controls and a subsonic filter, plus KickEQ variable bass boost (6 dB) to help adjust how the sub sounds in your enclosure and boat acoustics.
Does it have marine-friendly corrosion protection?
It uses conformal-coated circuit boards intended to help repel moisture, and 316L stainless-steel no-rust hardware for corrosion resistance in marine environments.
What power rating should I consider for compatibility?
The amplifier lists 800 watts for 1 ohm mono power, and it also shows maximum output power of 1200 watts. You should match it to your subwoofer’s impedance and recommended power range to ensure the setup is a good fit.
How big is the amp and where will it fit?
It is relatively compact for an 800W-class sub amp, with dimensions listed as 12.8 x 9 x 4.3 inches (and a 5-pound weight), plus it’s designed for surface mounting so you can tuck it into common marine install locations.
Specifications
| Product Title | Kicker 48KMA8001 KMA800.1 1x800w Weather-Resistant Mono Sub Amplifier |
|---|---|
| Category | Electronics > Car & Vehicle Electronics > Marine Electronics > Marine Amplifiers |
| Brand | KICKER |
| Manufacturer | Kicker |
| Item Weight | 5 Pounds |
| Maximum Supply Voltage | 14 Volts |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Output Power | 800 Watts |
| Maximum Output Power | 1200 watts |
| Item Dimensions | 12.8 x 9 x 4.3 inches |
| Material Type | Stainless Steel, Conformal-Coated Circuit Boards |
| Specification Met | rohs compliant |
| Model | 48KMA8001 |
| Brand Name | KICKER |
| Warranty Description | 1-Year Manufacturer Warranty |
| UPC | 713034020394 |
| Part Number | 48KMA8001 |
| Included Components | 48KMA8001 |
| Unit Count | 1.0 Count |
| Item dimensions L x W x H | 12.8 x 9 x 4.3 inches |
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