JL Audio M400/4: 4 Ch. Class D Full-Range Marine Amplifier

Model: 98271 UPC: 699440982719 Item: 163397

$449.95

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Address:
104 E Vine St. Hatfield, PA 19440
Hours:
  • Mon - Fri: 9am - 5pm
  • Sat: By appointment only
  • Sun: Closed
Phone:
(866) 961-7781
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Address:
754 Route 309 (Bethlehem Pike) Montgomeryville, PA 18936
Hours:
  • Mon: 9:30am - 8pm
  • Tues - Fri: 9:30am - 6pm
  • Sat: 9:30am - 5pm
  • Sun: 12pm - 5pm
Phone:
(215) 368-8343
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Address:
38 Greenfield Avenue, Ardmore, PA 19003
Hours:
  • Mon - Fri: 10am - 6pm
  • Sat: 10am - 5pm
  • Sun: Closed
Phone:
(610) 649-7002
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Product Information

M400/4 4-Channel Class D Marine Full-Range Amplifier, 100 W x 4 @ 2 ohms / 75 W x 4 @ 4 ohms - 14.4V

This tiny amplifier packs a serious full-range punch, delivering a staggering 100 watts to each of its four channels into 2 ohms (14.4V, 1% THD). The breakthrough that makes this much power possible in such a small chassis is our NexD ultra-high-speed switching design, which allows for full bandwidth Class D operation with extremely low distortion and outstanding efficiency.

Use the M400/4 in combination with our M600/1 monoblock to build a 1000 W amplification system to power four satellites and a subwoofer... and fit the whole thing under a seat. Or, use the M400/4 by itself to power two satellites, plus a subwoofer. With M-Series amplifier, the possibilities are endless.

The M400/4 includes a 12 dB / octave filter for each channel bank, which can be configured as a low-pass or high-pass filter and offers continuously variable cutoff frequency selection from 50-500 Hz. With the addition of an HD-RLC remote level control (sold separately), the amplifier's Ch. 1 & 2 level or overall level can be directly controlled from a remote location.

This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment.

M400/4 Full-Range Amplifier Specifications:

RMS Power @ 14.4 V

  • @ 4 ohms: 75 W RMS x 4
  • @ 2 ohms: 100 W RMS x 4
  • Bridged @ 4 ohms: 200 W RMS x 2

RMS Power @ 12.5 V

  • @ 4 ohms: 60 W RMS x 4
  • @ 2 ohms: 90 W RMS x 4
  • Bridged @ 4 ohms: 180 W RMS x 2

General

  • Frequency Response: 12 Hz - 22 kHz (+0, -1dB)
  • S/N Ratio, referred to highest rated power: >104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
  • S/N Ratio, referred to 1 W: >84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
  • Damping Factor @ 4 ohms: >150 / 50 Hz
  • Damping Factor @ 2 ohms: >75 / 50 Hz
  • THD+N @ Rated Power: <1% @ 2 ohms per ch
  • Input Voltage Range @ RCA Inputs: 100 mV - 4 V RMS
  • Min Copper Power / Ground Wire Gauge: 4 AWG wire
  • Fuse Rating: 40 A (AFS, AGU or MaxiFuse)

Signal Processing

  • Filter Modes: Low-Pass or High-Pass
  • Filter Slope (dB/Octave): 12 dB
  • Filter Frequency Range: 50-500 Hz
  • Detented, Calibrated Filter Freq. Pentiometer: Yes
  • Filter Defeatable?: Yes
  • Remote Level Control: Optional (HD-RLC)
  • Remote Level Modes: 2 or All Channels
  • Channel Input Mode Switch: Yes (2/4 ch)
  • Pass-Through Preamp Output: Buffered
  • Source Channel Selection for PreOuts: Yes

Dimensions

  • Height: 2.05 in
  • Width: 8.52 in
  • Depth: 7.09 in
  • Weight: 4.75 lbs

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