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Car Amplifiers

Rockford Fosgate Prime R250-1D, R500-1D, R125-2, R250-4 Car Amplifiers

Two New Class D and Two New Class A/B Amps Designed for High Power with a Small Footprint for Installs that Require Big Output From Little Space

Rockford Fosgate announced four new affordable Prime Series car amplifiers, which include R250-1D and R500-1D mono block amps and the new R125-2 2-channel and R250-4 4-channel Class A/B amplifiers.

“We’re pleased to be able to offer better efficiency in our Prime mono-block amps through the implementation of Class-D circuitry,” explained Theresa Hephner, Rockford senior director, products and marketing. “The new R250-1D and R500-1D mono block amps provide the same high power as their predecessors with greater thermal longevity, built into a smaller chassis that will fit wherever the customer desires.”

Rockford Fosgate R250-4 Car Amplifier

Also new for 2012 are the R125-2 2-channel and R250-4 4-channel Class A/B amplifiers. “Based upon Prime’s affordable yet reliable reputation, the R125-2 and R500-4 take the multi-channel, small footprint amplifier to a new level,” Hephner continued. “These full range amps are perfect for those installs with little room to spare, such as under a seat.”

Model Channel 4 Ohm 2 Ohm 1 Ohm Frequency Response MAP
R125-2 stereo
mono
42.5 x 2
125 x 1
62.5 x 2
N/A
N/A 20Hz – 20kHz +/- 1 dB $99.99
R250-4 stereo
mono
40 x 4
125 X 2
62.5 x 4
N/A
N/A 20Hz – 20kHz +/- 1dB $159.99
R250-1D mono 125 x 1 250 x 1 750 x 1 20Hz – 250Hz +/-1dB $149.99
R500-1D mono 250 x 1 500 x 1 1200 x 1 20Hz – 250Hz +/-1dB $229.99

 

Additional specs for the R125-2, R250-4, R250-1D, and R500-1D Class D amps include:

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  • 12 dB/oct Butterworth Crossovers
  • R125-2; R250-1D; and R500-1D dimensions (L x W x H): 7.64in x 7.67in x 2.4in
  • R250-4 dimensions (L x W x H): 12.01in x 7.67in x 2.4in
  • Remote Punch level control included (R250-1D and R500-1D only)
  • 180 degree phase switch (R250-1D and R500-1D only)
  • Continuously Variable On Board Punch EQ Control
  • RCA Pass Through Outputs
  • Real Time Output and Power Supply Thermal Sensing
  • Extruded Aluminum Heat Sink
  • On Board ATC Fusing
  • 4 AWG Power/Ground Connectors
  • MOSFET Power Supply
  • Muted Turn On
  • Short Circuit Protection
  • CEA-2006 Compliant
  • CE Compliant

R125-2
R125-2

R250-4
R250-4

R250-1D
R250-1D

R500-1D
R500-1D

rockford fosgate prime Reviews

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