SKU: 86868787787

JL Audio AP300/1 Amplifier 300 Watt Monoblock

Sale price$225.00 Regular price$250.00
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

JL Audio AP300/1 Amplifier 300 Watt MonoblockJL Audio AP300 1 Amplifier 300 Watt Monoblock Model: 010 03428 00 300 WATT MONOBLOCK AMPLIFIER: This monoblock amplifier is specifically designed to power a 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

JL Audio AP300/1 Amplifier 300 Watt Monoblock

Model: 010-03428-00

  • 300-WATT MONOBLOCK AMPLIFIER: This monoblock amplifier is specifically designed to power a 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.

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

Specifications

General

Channels
Monoblock

Physical dimensions (Height)
1.86" (47 mm)

Physical dimensions (Width)
10.43" (265 mm)

Physical dimensions (Depth)
4.90" (125 mm)

Operating voltage
9-16 VDC

Water and dust rating
IP67

Operating temperature range
4° to 149° F (-20° to 65° C)

Warranty
3 years

Audio

Rated continuous (RMS) power (14.4 V input @ 4 Ohm less than 1% THD)
200 W x 1

Rated continuous (RMS) power (14.4 V input @ 2 Ohm less than 1% THD)
350 W x 1

Signal-to-Noise Ratio, referred to 1 W (A-weighted, 20 Hz - 20 kHz noise bandwidth): Analog Inputs
Greater than 70 dB

Frequency response (+0, -1dB)
10 Hz-500 Hz

Input sensitivity @ RCA inputs
Switchable from 200 mV-2 V RMS (Low) to 800 mV-8 V RMS (High)

Current consumption (Standby)
700-750mA

Fuse rating
35A

Recommended fuse type(s)
AFS, AGU or MaxiFuse

Min. copper power/Ground wire gauge
4 AWG wire

Protection circuits
Input under/over voltage Over temperature Output short circuit


What's in the Box:


  • JL Audio AP amplifier

  • Four mounting screws

  • 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: 86868787787

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Charlie Horse 75
Boise, US
★★★★★ 5
Great fit!
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Most comfy undies THANK YOU!
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Reviewed in the United States on May 22, 2026
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TC
Massapequa, US
★★★★★ 5
This are the best in men’s underwear. Modal fabric is the key.
Color: Black, Size: Small, Color: Black, Size: Small
Well I tried Hanes bikinis small and medium said to be the best seller. Maybe for a young boy but not for me an older man. Tried numerous others and none fit like these. The most comfortable of all I tried probably because the waistband being between mid and low and not so wide a fabric and fit the best. The biggest thing I love about these is the pouch area being just right and the fabric is so soft. Modal is the way to go. Cotton bunches up. Great quality and price. Can’t go wrong with these. Tried boxer briefs and trunks also and all to high waisted even when advertised as low, and the pouch area were bulkier. Edited: The solid colors are ok for casual use only but not for sports. The ones with a fancy design are better. Bigger pouch area and a different style waist band.
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Reviewed in the United States on May 18, 2026
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DadK
Los Angeles, US
★★★★★ 5
Soft, true-fit briefs — great daily comfort, not ideal for workouts
Color: Black, Size: Large
I’ve been wearing these wirarpa modal briefs every day for about a month, and they’ve quickly become my go-to pair for daily wear. I previously owned the same brand’s boxer briefs for over a year, which held up better than any other brand I’ve tried, so I decided to test the brief version this time. Fit and Comfort The sizing was spot-on for me. The waistband is soft, not scratchy, and doesn’t dig in — it stays in place without rolling. The leg openings don’t ride up, and everything stays comfortably supported without tight seams in the wrong spots. I’d almost forgotten how briefs feel after years of wearing boxer briefs, but these reminded me why they’re still worth owning. Fabric and Wearability The modal material is silky and smooth to the touch. It’s perfect for everyday comfort and casual wear, but not the best choice for sports — it’s not highly moisture-wicking, so I wouldn’t use them for workouts or hot outdoor work. Durability After a month of daily washing, there’s no pilling, stretching, or loose stitching at all. If they hold up like my year-old wirarpa boxer briefs, I expect these to last far longer than most big-name brands. Design Notes These come neatly rolled in a sealed bag with no odor or chemical smell — a nice touch that shows some quality control. Bottom Line If you like a soft, lightweight brief that fits true to size and stays comfortable all day, these are a great value. Go for the boxer briefs if you want more coverage or plan to sweat in them, but for regular daily wear, these hit the mark perfectly.
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Reviewed in the United States on November 5, 2025
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JustAShopper
Belleville, US
★★★★★ 5
Soft, lightweight, and comfortable
Color: Black,navy,burgundy,brown, Size: Medium
These briefs are soft, lightweight, and very comfortable for everyday wear. The modal microfiber material has a nice silky feel, and they provide plenty of room without feeling bulky. The fit is true to size, which is always a plus when ordering underwear online. Overall, a comfortable and well-made option if you want something soft and easy to wear all day.
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Reviewed in the United States on March 24, 2026
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Amazon Customer
Louisville, US
★★★★★ 4
Comfortable and soft
Color: Black, Size: Small
I purchased these in small. I have a 30-inch waist, and the small is loose on me. They are described as handmade, and to expect some variance, but there is a noticeable difference between individual items. Individually, they are well constructed, just inconsistent in size.
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Reviewed in the United States on April 30, 2026

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