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EFX HD4600 by Scosche

1200W Max, 4-Channel Amplifier (HD-4600)

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The product on this page is discontinued.
  • HyperDrive Series 4-Channel Class AB Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 100 watts x 4 chan.
    • 2 ohms: 140 watts x 2 chan.
    • Bridged, 4 ohms: 280 watts x 2 chan.
  • Max power output: 1200 watts (300 watts x 4 chan. @ 2 ohms)
  • MOSFET power switching transistors
  • LED power and protection indicators
  • Tuned Bass EQ (0-12 dB bass boost at 45 Hz)
  • Multi-mode capability
  • 4//3/2 channel operation
  • Speaker-level inputs
  • Pass-through RCA outputs
  • Overheating and short circuit protection
  • Soft start turn on/off
  • Extruded aluminum heatsink
  • Variable high-pass filter (40-400 Hz)
  • Variable low-pass filter (40-400 Hz)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-20000 Hz
  • 8-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together.
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Power Specifications - Full Range Channels
RMS Power @ 4 ohms100 watts x 4 channels
RMS Power @ 2 ohms140 watts x 2 channels
RMS Power @ 1 ohmN/A
Bridged RMS Power280 watts x 2 channels
Peak Power Output300 watts x 4 channels
Amplifier Specifications
Amplifier ClassAB
Number of Channels4
Total Peak Power Output1200 watts
Total RMS Power Output560 watts
Maximum Input Gauge Size4 AWG
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power1%
Speaker Level InputsYes
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency40 - 400 Hz
Low-Pass Crossover Frequency40 - 400 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio80 dB
Channel SeparationN/A
Bass Boost0 - 12 dB
Bass/Gain RemoteNo
Fan CooledNo
Fuse Rating30A x 3 
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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RCA Interconnects
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Testing and Performance
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Product Summary

Manufacturer: EFX
Model number: HD4600
UPC: 033991016705
Weight: 16.00 lbs
Internal SKU: hd4600
Internal product ID: 9593
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Customer Testimonial

I am very happy with the response and help from Daniel Z and his team - your customer service and fulfillment of orders is outstanding!
Thank you.
Craig B.

- Craig from Belmont, CA

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