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Roswell  |  SKU: C920-1834SD

R1 650.4 Amplifier

$69900

The R1 650.4 marine-grade amplifier, made by Roswell, is everything your boats audio system has always wanted. These stackable amplifiers utilize a 4-channel Class-D design, that puts out 100 watts RMS per channel at 4Ω, and are perfect for powering your R1 6.5″ marine speaker setup.  Easily bridge & tune with the calibrated crossover controls. Because LEDs create lots of noise issues, this amp features differential RCA inputs for maximum noise rejection. The R1 650.4 is built with fully conformal-coated PCB’s and nickel-plated marine-grade wire terminals to ensure their quality.


Código de barras: 066066234731
8.0 lb
  • Power Output
    Amplifier Class: D
    RMS Power Output: (@ 14.4V)
    - 4Ω: 100 W x 4
    - 2Ω: 165 W x 4
    - 4Ω Bridged: 300 W x2
  • Processing
    Frequency Range: 10 Hz - 25 kHz
    THD+N: Not Rated
    S/N Ratio (1w): Not Rated
    Damping Factor:
    4Ω: n/a
    2Ω: n/a
  • Filters
    Filter Mode: HPF/LPF/Full
    Filter Frequency: 30 Hz - 300 Hz
    Filter Slope:
    Infrasonic Filter: No
    Bass Boost: Yes (0-18 dB @ 45 Hz)
  • Physical
    Dimensions:
    W: 11.125"
    H: 7.06"
    D: 1.90"
  • Connections & Audio Routing
    Audio Input: RCA
    Input Sensitivity: 0.2 - 10.0 V
    Input Modes: Yes (2ch/4ch)
    Remote Level Control: No
    Pass Through Preamp Output: Yes

    Max Wire Size:
    - Power: n/a
    - Speakers: n/a
  • Power Input
    Power Input: 12v
    Power Draw:
    - Standby: n/a
    - On: n/a
    Fuse: 60 A (30 A x2)
  • Water Rating
    Not Rated