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Quick Overview

Rubicon Series 250w Class A/B 2ch. Amplifier
RMS Power 4Ω 75 x 2
RMS Power 2Ω 125 x 2
RMS Power 4Ω Bridged 250 x 1


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Boasting a gorgeous, yet aggressive, blue hairline finish, there's no mistaking the fact that the Rubicon amplifiers stand for what Soundstream intended many years ago... Strong quality and strong identity - These bad boys are at the top of their game with the most modern technology available!
  • Midnight Blue Finish w/ Brushed Accents
  • Class A/B Full Range Monoblocks Available
  • 12dB Variable High, Low, & Subsonic Crossovers
  • 6dB & 12dB 50Hz Bass Boost
  • 2 & 4 ch. Models Band-Pass Crossovers
  • High Level or 200mV-6V Low Level Input
  • Direct 4 ga. Power & 8 ga. Speaker Terminals
Channels 2 ch. Class A/B
RMS Power @ 4Ω, 14.4V 75 x 2
RMS Power @ 2Ω, 14.4V 125 x 2
RMS Power @ 4Ω Bridged, 14.4V 250 x 1
Total Harmonic Distortion (4Ω power) 0.02%
Frequency Response 10Hz - 35kHz
Signal-to-Noise Ratio (4Ω power) 105dB
Damping Factor (100Hz, 4Ω) >250
Signal Voltage 200mV - 6V
Fusing (1) 30
Dimensions: (2"h x 8"w) 9.875"
Channels 1&2 HPF (12dB/octave) 15-225Hz, or 255-3.8kHz
Channels 1&2 LPF (12dB/octave) 50-800Hz, or 250-4kHz
Bass Boost 0, 6, 12dB @ 50Hz


Soundstream is a brand that operates under the umbrella of Epsilon Electronics Inc - a company who specializes in the automotive electronics audio/visual industry. Dating back more than 30 years, Epsilon Electronics Inc. has been a pioneer in the audio world with visionary products for both the home and vehicle. As an innovator, Epsilon introduced several mobile video products, securing significant global market share in a young, evolving technology.

Soundstream has been the leader in mobile audio engineering and performance for the past 20 years. The vision has remained constant throughout this period. "Bold engineering and unconventional thinking will bring out nothing but the best in both our product and our people". This vision has earned Soundstream over 90 industry awards for innovation and performance.