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JL Audio  300/4v3

75W RMS x 4 @1.5-4Ohms, 300 Max Power 4-Channel Car Amplifier

Item #34687

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JL Audio 300/4v3 Class A/B 4-Channel Full-Range Amplifier


We are a JL Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • •Four channel amplifier
  • •2.5mm Allen wrench
  • •Owner's manual
Outstanding Fidelity, Reliability and Well-designed Feature

If you prefer a traditional Class A/B design taken to its highest possible level, the 300/4v3 is your amplifier, thanks to its outstanding fidelity, reliability and well-designed feature set. This classic amplifier features JL Audio's unique, and patented, Absolute Symmetry Class A/B circuit and our R.I.P.S. power supply design for full power delivery (75 W x 4) over a wide range of load impedances and vehicle voltages. This amplifier features an all-black look that is pure, sexy evil, including the powder-coated cast alloy heat sink and end caps.

  • Maximum Power : 300 Watts
  • Low Frequency Response : 50-5000 Hz
  • High Frequency Response : 50-5000 Hz
  • Number of Channels : 4
  • Frequency Response : 5-30000 Hz
  • Built In Crossovers : Yes
  • RMS Power Output : 75x4 Watts
  • Channel Separation : Yes
  • Amplifier Class : A/B
  • Fuse Rating : 40x1 A

Product Highlights:

  • 4-channel car amplifier
  • 75 watts RMS x 4 at 1.5 to 4 ohms
  • 150 watts RMS x 2 at 3 to 8 ohms
  • Regulated, Intelligent Power Supply system
  • differential-balanced inputs
  • variable high- and low-pass filters (50-5000 Hz, 12 or 24 dB/octave)
  • Absolute Symmetry™ Class-AB amplifier design
  • MOSFET power and output stages
  • preamp and speaker-level inputs (speaker-level input requires two optional adapter packs)
  • 4-gauge power and ground leads and a 40-amp fuse recommended — wiring and hardware not included with amplifier
  • no onboard fuses — when installing multiple amps in a system, an additional 40-amp in-line fuse between the distribution block and the amplifier is recommended
  • 13-7/16"W x 2-1/4"H x 10"D
  • UPC: 699440983518
  • Weight: 14
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.

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  • awesome amp!! Great features,overall wattage rated correctly and sounds great.The black casing adds a touch of elegance to it too.JL audio makes outstanding amps

    ziggy
    4/27/2014

  • I had a 1000/1 that had tons of grunt but I was very disappointed with the "mushy" and undefined sound. Sure it hit hard and deep and I felt I got my moneys worth but the sound quality really nagged at me (frankly, I think most people would not hear the difference or really care). This was my first D class amp and it will probably be my last... Everything changed when my 1000/1 was stolen... ...this was a blessing in disguise as I was allowed to try another A/B amp: I used to use PPI amps exclusively; now things have changed. I hemmed an hawed over the 300/4: the numbers looked good and, while I did not care for the 1000/1's sound, I knew it was quality hardware so I thought the 300/4 would be quality as well. BUT: how could a 300 watt amp compare to a 1000 watt amp? Let me tell you something: the 300/4 ROCKS: I use it to drive two JL Audio 12W3v3-4's and the 300/4 drives them like a BOSS... ENDLESS bass, CLEAN bass. They don't seem to hit as low as the 1000/1 even tho the freq response of the 300/4 reaches down to 5 hz; but I just installed them an hour ago so I might need to tweak the controls. On my 1000/1 I had the cut off super low so that might have had something to do with it. On the 300/4 I set the cut off higher so the mid bass might be drowning out the bottom. ...any way you look at it, this amp is well worth the money for full, low or high systems.

    Spencer
    11/3/2015

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