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Rockville KRYPTON F2 2400w Peak/600w RMS 4 Channel Amplifier Car Stereo Amp

Rockville KRYPTON F2 2400w Peak/600w RMS 4 Channel Amplifier Car Stereo Amp

Last price we saw

$134.95at Audiosavings, last seen Oct 30

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Our take on the Rockville KRYPTON F2 2400w Peak/600w RMS 4 Channel Amplifier Car Stereo Amp

The Rockville KRYPTON F2 is a 4-channel class A/B car amplifier rated at 600W RMS (2,400W peak). It adds a digital voltage display, adjustable 12dB/octave crossovers with bandpass filters, and bridgeable channels for running front and rear speakers or bridging to a sub. Rockville sells direct at low prices, so it undercuts name-brand 4-channels of similar RMS rating; the 2,400W figure is peak, not continuous.

Best forBudget builds powering four door speakers
Bridging two channels to a sub plus two to speakers
First-time installers who want a voltage readout
DIY systems where a birth sheet matters
Pros
  • 600W RMS across four channels is solid for the money
  • Digital voltage display shows electrical health at a glance
  • Adjustable crossovers and bandpass filters on each channel
  • Bridgeable for a sub or a stronger two-channel setup
  • Ships with a birth sheet listing tested power
  • IC-controlled protection (mute, delay, soft start)
Cons
  • Class A/B runs hotter and draws more current than class D
  • 2,400W peak is a marketing number; plan around 600W RMS
  • No DSP or Bluetooth; tuning is knob-only
  • Rockville's budget reputation means resale value is low
  • Needs a stout alternator and wiring to hit rated output

Rockville KRYPTON F2 2400w Peak/600w RMS 4 Channel Amplifier Car Stereo Amp prices at every store

  • AudiosavingsCheck price at Audiosavings

Rockville KRYPTON F2 2400w Peak/600w RMS 4 Channel Amplifier Car Stereo Amp price history

Lowest price we've seen: $134.95 on Oct 30 at Audiosavings. Tracked across 1 store since Oct 30.

What reviewers say

Owner feedback on Rockville amps is mixed. Many praise output for the price and the voltage display; others report protection-mode trips, heat, and overstated power claims.

Pros
  • Loud output for the price
  • Voltage display is handy during setup
  • Crossovers are easy to set
Cons
  • Can run hot and trip protection
  • Peak ratings seen as inflated
  • Build feels budget-grade

From Audiosavings

  • 4-channel class A/B amplifier with 2400W peak power
  • 600W Dyno-Certified RMS for powerful, distortion-free audio
  • Digital voltage display for real-time system monitoring
  • Fully adjustable 12dB/octave crossovers and bandpass filters
  • Bridgeable channels for flexible installation options
  • Full IC-controlled protection circuitry (Mute, Delay, Soft Start)
Guarantee
30-Day Money-Back Guarantee
Returns
Free Returns on All Orders
Shipping
Fast & Free Shipping on All Orders
In the box
Amplifier, Birth sheet with tested power, Mounting screws

Specifications

Number Of Channels
4-channel
With Bass Control
Yes
With Crossover
Yes
Bridgeable
Yes
Total Wattage
2,400 watts

Questions and answers

Is 2,400W real?
No. That is peak power. The RMS rating is 600W total, roughly 150W per channel at 4 ohms, which is what you should plan your speakers around.
Can I bridge it to power a sub?
Yes. Bridging two channels into one gives a stronger mono output for a subwoofer, leaving the other two channels for speakers.
What's in the box?
The amplifier, a birth sheet with its tested power figures, and mounting screws. Wiring and a fuse are not included.
Do I need a capacitor or extra battery?
Not necessarily, but a 600W RMS amp draws real current. Use proper gauge wiring and a fuse, and upgrade the alternator or battery only if lights dim.
How does it compare with a class D amp?
Class D is smaller and more efficient; this class A/B amp runs hotter and draws more current but is typically cheaper at this power level.
When is it cheapest?
Rockville sells direct and discounts around holidays and clearance events. Watch the price history rather than buying at list.