SKU: 37274307517

JL Audio MX280/4 : 4ch x 50W/70W Marine Grade Amplifier @ 4Ω/2Ω

Sale price$171.00 Regular price$190.00
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

JL Audio MX280/4 : 4ch x 50W/70W Marine Grade Amplifier @ 4Ω/2ΩMX Series 4 Channel Class D Marine Grade Amplifier, 70 Watts x 4ch @ 2 Ohm or 50 Watts x 4ch @ 4 Ohm. Engineered specifically for powersports applications, the 4 channel MX280 4 amplifier employs JL's high speed NexD switching design to deliver plenty of clean power, without straining charging systems. Its tiny, cast aluminum chassis is highly resistant to corrosion, with an IPX7 water resistance rating, making it perfect for motorcycles, ATVs or

MX-Series 4-Channel Class-D Marine-Grade Amplifier, 70-Watts x 4ch @ 2-Ohm or 50-Watts x 4ch @ 4-Ohm.

Engineered specifically for powersports applications, the 4-channel MX280/4 amplifier employs JL's high-speed NexD™ switching design to deliver plenty of clean power, without straining charging systems. Its tiny, cast aluminum chassis is highly resistant to corrosion, with an IPX7 water-resistance rating, making it perfect for motorcycles, ATV’s or other utility vehicles.

Generating a solid 50W x 4 into 4 ohms (14.4V, 1% THD), the MX280/4 is fully bridgeable, so it can be used as a 3-channel amplifier, or as a 2-channel amplifier producing a potent 140W x 2 into 4 ohms.

Other features include independent front and rear crossovers with selectable full-range, high-pass or low-pass filter controls and a dual-range input section that accepts a wide range of input voltage levels, from line-level all the way to high-power speaker level signals.

This amplifier features a black powder-coated finish, a gasketed cover for the controls and stainless steel hardware for durability.

Specifications
  • Frequency Response
    20 Hz - 20 kHz (+0, -1dB)
    S/N Ratio, referred to highest rated power
    >89.5 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
    S/N Ratio, referred to 1 W
    >68 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
    Damping Factor @ 4 Ω
    >60 / 50 Hz
    Damping Factor @ 2 Ω
    >30 / 50 Hz
    THD+N @ Rated Power
    <1% @ 2 Ω per Ch.
    Input Voltage Range @ RCA Inputs
    Switchable from 250 mV - 4 V RMS (Low) to 750 mV - 15 V RMS (High)
    Min.Copper Power / Ground Wire Gauge
    8 AWG wire
    Fuse Rating
    35 A (AFS, AGU or MaxiFuse™)
Output Specifications
  • @ 4 Ω
    50 W RMS x 4
    @ 2 Ω
    70 W RMS x 4
    Bridged @ 4Ω
    140 W RMS x 2
Documentation
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 37274307517

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Raquel Santos
Dallas, US
★★★★★ 5
Great item
Size: 2.0L
This fit my car perfectly! It was was easy to install as well. Great price as well.
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Reviewed in the United States on March 25, 2026
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Verified Purchase
Julie
Battle Creek, US
★★★★★ 5
Easy to install and great quality—perfect for my 2018 Civic
Size: 2.0L
I bought this for my 2018 Honda Civic, and it fits perfectly. It only takes a few minutes to install with just a few clips, and the process is simple. I am a woman and do it myself with no issues at all. The filter feels sturdy and well made. The thickness and overall quality are excellent. I’ve seen people mention “ease of cleaning,” but I don’t clean mine. I just remove, vacuum the area and replace it when needed. That might be a bit much, but it’s affordable and straightforward. I can’t say exactly how much it improves airflow or fuel mileage, but I consistently get over 40 miles per gallon in economy mode, so it’s clearly performing well. Overall, it’s a great product if you like handling basic car maintenance on your own.
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Reviewed in the United States on May 11, 2025
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Elias
San Leandro, US
★★★★★ 5
Affordable and Reusable
Size: 2.0L
The engine filter was really affordable it cost less then $15. I bought this filter because it was recommended from a family friend. It fitted my honda civic perfectly. Replacing the filter was so easy to replace. Replacing or changing the filter was easy it only took a few mins to do. The quality of the filter is really good and it feels like its perfect for my car. I would buy this filter over and over again thats how great it is.
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Reviewed in the United States on June 4, 2024
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P.f
Los Angeles, US
★★★★★ 5
get it
Size: 2.0L
get it! i have a honda civic and i have bought this 3 times. works great!!
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Reviewed in the United States on February 25, 2026
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Gabriel Kliatchko
Louisville, US
★★★★★ 4
Worth buying again.
Size: 2.0L
Works great. Right fit. Great value
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Reviewed in the United States on March 2, 2026

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