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EFX 500c1

500W Max, EFX Series Monoblock High Power Amplifier

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The product on this page is discontinued.
General Features:
  • EFX Monoblock Class D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 350 watts x 1 chan.
    • 2 ohms: 500 watts x 1 chan.
  • Max power output: 500 watts
  • MOSFET switching transistors power supply
  • Low noise circuitry
  • Bass Remote Details (remote level control sold separately)
  • LED power and protect indicators
  • Bass Boost (0-12 dB bass boost at 45 Hz)
  • Soft start turn on/off
  • Mono channel operation
  • Illuminated logo badge
  • Line level and speaker-level inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs loop through
  • 5-Way System Protection circuitry (thermal, overload, speaker short protection, impedance, and reverse polarity)
  • Heavy duty brushed aluminum alloy heatsink and top plate for extreme heat dissipation
  • Sturdy aluminum side panels
  • Silver-plated RCA level inputs
  • Silver-plated screw terminals
  • Variable low-pass filter (40-200 Hz, 18 dB/octave)
  • Subsonic Filter (24 dB at 15 Hz)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20,000 Hz
  • Dimensions: 13-1/4"L x 10-1/2"W x 2-3/8"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms350 watts x 1 channel
RMS Power @ 2 ohms500 watts x 1 channel
RMS Power @ 1 ohmNot Stable
Peak Power Output500 watts x 1 channel
Amplifier Specifications
Amplifier ClassAB
Number of Channels1 - Mono
Total Peak Power Output500 watts
Total RMS Power Output500 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance BridgedN/A
THD at Rated RMS Power1%
Speaker Level InputsYes
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
Full (AP)
High-Pass Crossover FrequencyN/A
Low-Pass Crossover Frequency40 - 200 Hz
Subsonic Filter15 Hz
Signal-to-Noise Ratio80 dB
Channel SeparationN/A
Bass Boost0 - 12 dB
Bass/Gain RemoteYes
Fan CooledNo
Fuse Rating25A x 3 
CEA-2006 CompliantYes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Amplifier Wiring Kits
Get the wires you need to properly install and power your car amp.
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Complete 4 Gauge Amp Wiring Kit with RCA Interconnect Cables and Speaker Wire!		$94.99
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4 Gauge (AWG) ZN1 Series Single Amplifier Installation Kit for Systems up to 1000 Watts		$37.99
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Speaker Wire
Improve the sound quality by delivering more power when replacing your factory wiring. High quality speaker will maximize your amplifier investment and system performance.
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Kicker XW1220 Speaker WireKicker XW1220 Speaker Wire
12 Gauge Wire - 20 ft. of Dual Twist Speaker Cable with Sleeves for a Clean Install		$24.49
StreetWires SCP1215BL - 12 AWG Speaker WireStreetWires SCP1215BL - 12 AWG Speaker Wire
12 Gauge Wire - 15 ft. of Speaker Cable with Twisted Construction		$19.99
RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
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16.5 ft. of 2-Channel Kicker Interconnects with twisted pair conductors, gold plated contacts, and hyper-flex technology for easy installation!		$13.99
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16.4 ft. of 2-Channel Monster Cable with XLN (Xtra Low Noise) construction, 6-cut turbine MirrorChrome connectors, and 2-way time correct windings for the ultimate RCA cable!		$45.00
Capacitors
Capacitors store energy for the amplifier to use on demand, thereby assisting in the elimination of dimming lights during peak power surges during use.
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Raptor C1F ** SPECIAL PRICE **Raptor C1F ** SPECIAL PRICE **
True 1.0 Farad Car Audio Capacitor for up to 1000W Max		$34.99
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Digital 1.0 Farad Car Audio Capacitor for up to 1000W Max		$104.99
Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
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StreetWires FB4StreetWires FB4
4 AWG / 4 Gauge Firewall Bushing		$7.99
Kicker DB1448 (09DB1448) - Top of the Line!Kicker DB1448 (09DB1448) - Top of the Line!
Distribution Block with Two 1/0 or 4 AWG Inputs and Four 4 or 8 AWG Outputs		$18.99
Professional Installation for your Car Power AmplifierProfessional Installation for your Car Power Amplifier
Covers labor charges through our professional installer network.		$89.99
Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
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AutoSound 2000 CD-104AutoSound 2000 CD-104
The ultimate amplifier level setting disc used for evaluation of audio components		$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High Frequency Test CD specifically designed for the set-up and evaluation of sound system imaging and placement.		$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.		$12.99

Product Summary

Manufacturer: EFX
Model number: 500c1
UPC: 033991022546
Weight: 10.50 lbs
Internal SKU: 500c1
Internal product ID: 18514

Why Sonic Electronix?

Musical Mayhem Sweepstakes sponsored by MTX Audio. 3 winners, $2,300 in prizes!

Customer Testimonial

Impressive, A+ all the way.
Again, Sonicelectronix just keeps impressing me. I just got a new car, ordered some subwoofers and a box. Come to find out the box did not fit. Asked for RMA and another box was ordered. Showed up exactly on the day they told me it would.

- Rene from Arkansas City

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