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4 Ch. Class A/B Full-Range Amplifier, 300 W

JL Audio 3004V2

Features

  • Patented Technology: Absolute Symmetry™ Class A/B Circuit (U.S. Patent #6,294,959)
  • Inputs: 2 pair of inputs
  • On-board Crossover: Fully-variable (50 Hz - 5 kHz), selectable-slope / mode (12 or 24 dB / octave, LP or HP) for each pair of channels
  • Speaker output connections: Accept up to 8 AWG wire

Quick Specs

  • Type: Amplifiers
  • Energy Star Rated: No

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4-Channel Class A/B Full-Range Amplifier, 75 W x 4 @ 1.5-4 Ω

If you prefer a traditional Class A/B design taken to its highest possible level, the 300/4v2 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 a brushed aluminum finish with black powder-coated cast alloy heat sink and end caps.

Technology
R.I.P.S. - Regulated, Intelligent Power Supply

The remarkable R.I.P.S. System ensures consistent power delivery over a wide range of battery voltages and load impedances.

Advanced Rollback Protection

JL Audio's exclusive Advanced Rollback Protection circuit monitors the amplifier's thermal condition and adjusts amplifier operation to eliminate annoying amplifier shut-down events.

Absolute Symmetry Class A/B Circuitry (U.S. Patent #6,294,959)

Patented Absolute Symmetry Class A/B output stage delivers amazing fidelity with extremely low distortion over a wide range of load impedances.

RealSink™

Vertical, cast alloy fins effectively dissipate heat, without resorting to noisy fan-cooling.

Features

  • Patented Technology: Absolute Symmetry™ Class A/B Circuit (U.S. Patent #6,294,959)
  • Inputs: 2 pair of inputs
  • On-board Crossover: Fully-variable (50 Hz - 5 kHz), selectable-slope / mode (12 or 24 dB / octave, LP or HP) for each pair of channels
  • Speaker output connections: Accept up to 8 AWG wire
  • +12V and Ground connections: Accept up to 4 AWG wire
  • Rated Power (4 Channel Mode): 75 W RMS x 4 @ 1.5 ohm-4 ohm (11V-14.5V)
  • Rated Power (Bridged to 2 Channel): 150 W RMS x 2 @ 3 ohm-8 ohm (11V-14.5V)
  • THD at Rated Power: <0.03% @ 4 ohm per ch.
  • S/N Ratio: >108.5 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
  • Frequency Response: 5 Hz - 30 kHz (+0, -1dB)
  • Damping Factor: >200 @ 4 ohm per ch. / 50 Hz; >100 @ 2 ohm per ch. / 50 Hz
  • Slew Rate: ±25 V / µS @ 4 ohm per ch.
  • Left to Right Channel Separation: >75 dB @ 1 kHz
  • Input Range: Switchable from 200mV-2V RMS to 800mV-8V RMS
Rated Continuous (RMS) Power @ 14.4 V
@ 4 75 W RMS x 4
@ 3 75 W RMS x 4
@ 2 75 W RMS x 4
@ 1.5 75 W RMS x 4
Bridged @ 8 150 W RMS x 2
Bridged @ 4 150 W RMS x 2
Rated Continuous (RMS) Power @ 12.5 V
@ 4 75 W RMS x 4
@ 3 75 W RMS x 4
@ 2 75 W RMS x 4
@ 1.5 75 W RMS x 4
Bridged @ 8 150 W RMS x 2
Bridged @ 4 150 W RMS x 2
General Specifications
Frequency Response 5 Hz - 30 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power >108.5 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W >89.5 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 >300 / 50 Hz
THD+N @ Rated Power
Input Voltage Range @ RCA Inputs 200 mV - 8 V RMS
Min.Copper Power / Ground Wire Gauge 4 AWG wire
Fuse Rating 40 A (AFS, AGU or MaxiFuse )
Signal Processing
Filter Mode(s) Low-Pass or High-Pass
Filter Slope(s) 12/24 dB/octave
Filter Frequency Range 50 Hz - 5 kHz
Detented, Calibrated Filter Freq. Potentiometers Yes
Filter Defeat Function Yes
Remote Level Control No
Remote Level Modes N/A
Channel Input Mode Switch Yes (2/4 ch.)
Pass-Through Preamp Output None
Source Channel Selection for PreOuts N/A
Physical Specifications
Height (H) 2.36 in / 60 mm
Width (W) 13.40 in / 340 mm
Depth (D) 9.25 in / 235 mm

Quick Specs


  • Appearance

  • Type: Amplifiers

  • Features

  • Energy Star Rated: No

300/4v2 Manual

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Electronics can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.