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APEX
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JAFOUR amp accessories
JAFOUR amp view from top
JAFOUR amp angled view
JAFOUR amp view from side B
JAFOUR amp view from side A
JAFOUR amp accessories

JAFour 4-Channel Class-D MOSFET Amplifier

$329.99

  • 4-Channel MOSFET amplifier with Class D design
  • Selectable crossover (high pass / low pass / full range)
  • Maximum Dynamic Power: 950 Watts
  • Dimensions: 1.99” x 6.53” x 9.13” (H x D x W)
  • CTA-2006-D Certified

*4-year limited warranty when registered within 60 days of purchase.

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SKU: JAFour Category:

Redefine Your Sound.

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Features a 2 Ohm stable operation, variable gain adjustment, selectable high pass/low pass/full range crossover, and Class D Technology for great sound!

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Apex Amplifiers

Higher power output with pure performance.

APEX Amplifiers stay cool at top output, even in tight spaces. Our high-efficiency digital design delivers maximum volume and clarity.

Peak Power

This amp can reach a max dynamic power of 950 Watts for a powerful listening experience!

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Compact Design

This amp’s compact design makes for easy, non-intrusive, and convenient installation!

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Efficient Power Output

The JAFour Amp has a class D design for improved longevity and high efficiency power output.

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Easy Connection

This amp has RCA inputs for easy connection to any stereo system.

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Apex

Apex Series
Speaker Outputs

4
Class

D Digital
CTA-2006-D Certification

Certified
Speaker Inputs

High level (Speaker Wire), Low Level (RCA)
2 Ohm Stable Stereo Operation

Yes
Total Dynamic Power

950 Watts
Crossover

Adjustable high-pass/low-pass/full range 50 Hz – 250 Hz
Frequency Response

20 Hz ~ 20 kHz
Gain Adjustment

Variable 300mV ~ 6V
Signal to Noise Ratio

82 dBA (reference: 1 Watt RMS)
Adjustable Bass Boost

45 Hz
Recommended Power/Ground Wire

8 AWG
Recommended Speaker Wire

12 AWG
Fuse Size and Type

30A x 2

Manuals & More

JAFour

Additional Features and Detailed Specifications:

Specification Details
Variable Gain 300 mV – 6 V
Bass Boost Variable boost at 45 Hz (0–6 dB)
Speaker Impedance 2 or 4 Ohm
Continuous Power Output (1% THD+N)
  • 130 Watts RMS x 4 Channels @ 4 Ohms
  • 215 Watts RMS x 4 Channels @ 2 Ohms
  • 440 Watts RMS x 2 Channels @ 4 Ohms (Bridged)
Maximum Dynamic Power Output (10% THD+N)
  • 145 Watts x 4 Channels @ 4 Ohms
  • 235 Watts x 4 Channels @ 2 Ohms
  • 465 Watts x 2 Channels @ 4 Ohms (Bridged)
Frequency Response 20 Hz – 20 kHz
Signal to Noise Ratio 82 dBA (reference: 1 Watt RMS)
Total Harmonic Distortion (THD+N) <0.12% at 1 Watt RMS


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