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Phoenix Gold R5.0:4

Octane-R 5.0:4 4-Channel Amplifier

5.0

(1 review)

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The product on this page is discontinued.
  • Peak Power Output:
    • 80 watts x 4 at 4 ohms
    • 125 watts x 4 at 2 ohms
    • 250 watts x 2 at 4 ohms
  • RMS Power Output:
    • 50 watts RMS x 4 at 4 ohms
    • 75 watts RMS x 4 at 2 ohms
    • 150 watts RMS x 2 at 4 ohms
  • variable high- and low-pass filters (40-400 Hz at 12 dB/octave)
  • variable Twin "T" bass EQ boost (0-15 dB boost at 45 Hz)
  • blue LED logo illumination
  • preamp inputs
  • preamp outputs
  • requires 8-gauge power and ground leads — wiring and hardware not included with amplifier
  • Optional neon inserts for all amp models (pictured, but not included)
  • two 20-amp fuses
  • 15-15/16"W x 2-9/16"H x 10-13/16"D
Power Specifications - Full Range Channels
RMS Power @ 4 ohms50 watts x 4 channels
RMS Power @ 2 ohms75 watts x 4 channels
RMS Power @ 1 ohmNot Stable
Bridged RMS Power150 watts x 2 channels
Peak Power Output500 watts
Amplifier Specifications
Number of Channels4
Total RMS Power Output300 watts
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.1%
Speaker Level InputsNo
Preamp OutputsYes (Aux Output)
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 Ratio>110 dB
Channel SeparationN/A
Bass Boost0 - 15 dB @ 45 Hz
Bass/Gain RemoteN/A
Fan CooledNo
Fuse Rating20A x 2 
Warranty and Return Policy
Return Policy Standard Return Policy
Customer Review Summary for Phoenix Gold R5.0:4
Average Customer Rating is 5.0 out of 5 stars:
5.0
based on 1 Reviews
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Rating Distribution:
5 star:
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4 star:
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3 star:
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2 star:
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1 star:
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what's this?
Average Attributes Rating:
Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0
what's this?
Most Helpful Customer Reviews:
October 20, 2005 High Dream's
Review by
Mike from Cleveland, OH
Overall
Durability
Value
Features
Design
Usability
This amp is really nice in look's and power. A must have for anyone who really know's car audio. My Memphis High's are screaming loud around C-town clean sound baby. Not 2 little not 2 much on the power 50rms with good interior's will speak over a pair of L7's :)
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16.4 ft. of 4-Channel RCA Cable with hyper twist construction, oxygen free copper, and precision machined tips.
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Testing and Performance
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Product Summary

Manufacturer: Phoenix Gold
Model number: R5.0:4
Weight: 14.00 lbs
Internal SKU: octr504
Internal product ID: 1702
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Customer Testimonial

I found SonicElectronix costumer service very responsible and positive. They all were very helpful. Thank you!

- Behzad F. from Northyork, Ontario , Canada

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