SKU: 82836485086

JL Audio AP 4 Channel Compact Marine Amplifier - AP300/4

Sale price$225.00 Regular price$250.00
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Description

JL Audio AP 4 Channel Compact Marine Amplifier - AP300/4AP 4 Channel Compact Marine Amplifier AP300 4 POWER THE MOMENT With these tough and ultracompact amplifiers, you can enjoy every note from every part of your boat. Efficient Class D design Built in LCD for manual control Ignition protected and IP 67 Rated (excluding cables) Easy tune feature 300 Watt 4 Channel Amplifier This 4 channel amplifier can power up to a maximum of four pairs of speakers or two pairs of speakers and one subwoofer. Easy Tune

AP 4 Channel Compact Marine Amplifier - AP300/4

POWER THE MOMENT

With these tough and ultracompact amplifiers, you can enjoy every note from every part of your boat.

  • Efficient Class-D design
  • Built-in LCD for manual control
  • Ignition protected and IP-67 Rated (excluding cables)
  • Easy tune feature

300-Watt 4 Channel Amplifier

This 4-channel amplifier can power up to a maximum of four pairs of speakers or two pairs of speakers and one subwoofer.

Easy Tune Feature

For additional optimization, pair with a Fusion® stereo with built-in DSP, and download the Fusion® Audio app for selectable profiles. This enables the Easy Tune feature, which streamlines amplifier setup to ensure superior sound quality and system protection.

Class-D Amplifier Technology

The highly efficient Class-D design provides lower battery drain with a higher output than Class-AB amplifiers. This delivers increased power to the connected speakers/subwoofers for an enhanced level of audio performance.

Rugged Design

These amplifiers offer superior levels of durability and are built to IP67 standards (excluding cables) to withstand abuse in harsh marine environments.

Specifications

General

  • Channels: 4
  • Physical Height: 1.86"
  • Physical Width: 10.43"
  • Physical Depth: 4.9"
  • Operating Voltage: 9-16 VDC
  • Water and Dust Rating: IP67

Audio

  • Amplifier Class: Class D
  • RMS Power @ 4 OHM: Channel: 50 W x 4/150 W x 2 (Bridged)
  • RMS Power @ 2 OHM: 4 Channel: 75 W x 4
  • Frequency Response: 20hz - 20kHz
  • Input Sensitivity: Switchable from 200 mV-2 V RMS (Low) to 800 mV-8 V RMS (High)
  • Input Impedance: 11 kΩ (High) 20 kΩ (Low)
  • Current Consumption (idle): 700-750mA
  • Fuse Rating: 35A
  • Recommended Fuse Types: AFS, AGU, or MaxiFuse™
  • Min. Copper Power/Ground Wire: 4 awg Wire
  • Protection Circuits: Input under/over voltage, Over temperature, Output short circuit

Signal Processing

  • High-Pass/Low-Pass Full Range Filter: Yes (user selectable)
  • Filter modes - Channel 1 & 2: Off, Low-pass, or High-pass
  • Filter modes - Channel 3 & 4: Off, Low-pass, or High-pass

Specifications:

  • Bridgeable: Yes
  • Channels - Available: 4
  • Waterproof Rating: Waterproof
  • Watts: 300w
  • Box Dimensions: 2"H x 7"W x 14"L WT: 5.3 lbs
  • UPC: 729218924525
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: 82836485086

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Sarah Rothlisberger
Whiting, US
★★★★★ 3
They do work but they taste terrible!
Size: 60 Count (Pack of 1), Style: Melatonin 5mg
I got these for my special needs son after his doctor recommend trying melatonin to help with some sleep disturbances. They definitely help him go to bed calmly and even stay in bed through the night but I have to bribe him to get him to take them because the taste is so bad!
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Reviewed in the United States on January 10, 2021
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Julieth Ardila
Chelsea, US
★★★★★ 5
Amazing
Size: 60 Count (Pack of 1), Style: Melatonin 5mg
Second time that I bought this and for sure will buy it in the future.
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Reviewed in the United States on October 26, 2025
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B. Stevens
Charlottesville, US
★★★★★ 5
Excellent Product!
Added this to my evening Magnesium Glycinate about 2 or 3 weeks ago. My difficulty getting a full nights sleep gradually started to improve. I am now averaging 7 or more hours straight, up from 2.5 - 3hrs. Waking feeling refreshed and more alert, not tired and groggy now. No more mid morning slump. Just keeps getting better... it's not instant but, continues to improve. These improvements alone are well worth the cost. Also, seems to have added an extra kick to the other reason I take Magnesium... my hip pain and lack of flexibility has also improved. Almost no pain now and flexibility has gone from zero to at least 50% now. I can bend at the hip now and look forward to being able to put on socks, tie shoe laces, scrub feet and trim toenails without assistance! I have always been physically active until the years of unconsciously favoring my left leg after breaking my right leg in several places ...twice when I was younger began to take a toll on my flexibility. Starting gradually in my mid sixties until now at 68, the list of immobility problems had become very annoying. So, this improvement is is most exciting! My thanks to Teraputics Pure Life for making an excellent product!
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Reviewed in the United States on September 16, 2020
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Debra D.
Massapequa, US
★★★★★ 5
Great Product
I purchased "Magnesium L Threonate, Magtein™, Brain Supplement for Memory, Focus, Sleep and Cognitive Support". I added this to my evening regimen and my difficulty getting a full nights sleep gradually started to improve. I am waking up feeling refreshed now. No more mid morning slump. These improvements alone are well worth the cost. This improvement is is most exciting! My thanks to Teraputics Pure Life for making an excellent product!
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Reviewed in the United States on September 17, 2025
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Kevin McDermott
Alexandria, US
★★★★★ 5
It Put Me On An Even Plane.
After 2 months of using this supplement my sleep has improved immensely. I wake up refreshed and recharged Jitters have subsided. And bathroom trips are on a schedule.
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Reviewed in the United States on May 10, 2026

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