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Fox Series Class A/B 4-Channel Amplifier 1800W Max

Fox Series Class A/B 4-Channel Amplifier 1800W Max

Last price we saw

$119.99at Genius Audio USA, last seen Nov 2

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Our take on the Fox Series Class A/B 4-Channel Amplifier 1800W Max

The Fox Series Class A/B 4-Channel Amplifier is a car audio amp rated at 1800W max across four channels. Class A/B designs run warmer and draw more current than Class D amps, but they are common in budget four-channel amps for powering front and rear speakers or bridging to a sub. Fox is a low-cost brand, so expect the 1800W figure to be a peak rating rather than RMS. No current price was provided for this listing.

Best forBudget car audio buildsPowering four door speakersBridging two channels to a subDIY installers who want a simple four-channel amp
Pros
  • Four channels cover front and rear speakers from one amp
  • Can bridge channels to drive a subwoofer
  • Class A/B designs are simple and widely understood
  • 1800W max rating looks strong on paper for the price class
Cons
  • 1800W is a max rating; real RMS output is much lower
  • Class A/B runs hotter and draws more current than Class D
  • No RMS figures, crossover specs or fuse rating listed
  • Fox is a budget brand with limited documentation and support

Fox Series Class A/B 4-Channel Amplifier 1800W Max prices at every store

  • Genius Audio USACheck price at Genius Audio USA

Fox Series Class A/B 4-Channel Amplifier 1800W Max price history

Lowest price we've seen: $119.99 on Nov 2 at Genius Audio USA. Tracked across 1 store since Nov 2.

Specifications

Type
Class A/B
Total Power Output
1800 WMAX
Output Channels
4
Number Of Channels
4
Amplifier Class
Class A/B
Output Channel Quantity
4

Questions and answers

Is 1800W the real power output?
No. That is a max (peak) rating. Continuous RMS power per channel is typically a fraction of that figure, and Fox does not list it here. Check the manual or box for RMS specs before buying.
Can I bridge it to power a subwoofer?
Most four-channel Class A/B amps let you bridge two channels into one stronger channel. Confirm the bridged impedance and power in the manual, since those figures are not listed here.
Will it fit my car's electrical system?
Class A/B amps draw more current than Class D. Add up the fuse rating and use an appropriately sized power wire; a stock electrical system may need a capacitor or upgraded wiring for heavy use.
What comes in the box?
Typically just the amp and mounting hardware. Power and speaker wiring, fuses and a remote bass knob are usually sold separately, so budget for an amp wiring kit.
How does it compare with a Class D amp?
Class D amps are smaller, cooler and more efficient, which suits subwoofers. Class A/B is fine for full-range speakers and often cheaper, but it runs hotter and uses more power.