DB Research L.L.P., takes pride in protecting our customers. Our products are sold online by DB Drive’s Website only. We do not authorize the sale of our products through third-party sales, such as eBay, social media, marketplace, forums, or other online groups. Purchases made through an unauthorized source will limit product support and void our manufacturers warranty. Buy Authorized.

OFR3000.4D

OFR3000.4D

$349.98

Full Range Class D 4 Channel Amplifier

Download Manual

 

California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Category:
000

Full Range Class D 4 Channel Amplifier

Download Manual

 

California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Additional information

Weight 5 lbs
Dimensions 9 × 6 × 2 in
  • 4 Channel Full Range Class D Circuitry
  • 1 Ω Stereo load Capability
  • Low Level RCA inputs
  • Selectable Crossover: HPF/LPF/Full
  • Bridgeable outputs @ 2Ω load
  • Compatible with any 4/1Ω Loudspeaker
  • High Efficiency Mosfet Design
  • Heat Management System

Physical Structure

Length (A) 8.90″ / (226mm)
Width (B) 6.14″ / (156mm)
Height (C) 2.20″ / (569mm)

 

 

 

General Specifications
Rated Power @ 14.4 Volts
4 x 325 Watts @ 4Ω
4 x 750 Watts @ 2Ω
2 x 1500 Watts @ 2Ω Bridged

 

Parameters
Bandwidth(-3dB) 18Hz – 22KHz
S/N Ratio < 90 dB
Input Sensitivity 285Mv – 6V
Minimum Load Impedance 1Ohm Stereo
Input Pre in RCA
Crossover Fire Slope in Stereo 12dB
Channel 1-2 HPF range 15Hz-6KHz
Channel 1-2 LPF range 50Hz-6KHz
Channel 3-4 HPF range 15Hz-6KHz
Channel 3-4 LPF range 50Hz-6KHz

mONO AMPLIFIER SPEAKER CONNECTION

(dIAGRAM 1)

Remote Connection
  • $199.95

    OA1200.2

    2 Channel Class A/B Amplifier

      [sf_button colour="accent" type="standard" size="standard" link="https://okurelectronics.com/wp-content/uploads/2022/01/OA-Amplifiers-Manual-compressed.pdf" target="_blank" icon="" dropshadow="no" rounded="no" extraclass=""]Download Manual[/sf_button]   California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $199.95
    $199.95
  • $139.95

    OS46

    4x6” Coaxial Speaker

    FEATURES:

    • 1" KSV Voice Coil
    • Paper Cone
    • Cloth Surround
    • Ferrite Oxide Magnet
    • Stamped Steel Basket
    • Hybrid Technology
      California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $139.95
    $139.95
  • $189.95

    OS10MB

    ,

    10" PRO Audio Mid-Bass

    [sf_button colour="accent" type="standard" size="standard" link="https://okurelectronics.com/wp-content/uploads/2022/01/OS10MB-Insert-Sheet-copy.pdf" target="_blank" icon="" dropshadow="no" rounded="no" extraclass=""]Download Insert[/sf_button]   California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $189.95
    $189.95
  • $219.95

    OA2000.4

    4 Channel Class A/B Amplifier

      [sf_button colour="accent" type="standard" size="standard" link="https://okurelectronics.com/wp-content/uploads/2022/01/OA-Amplifiers-Manual-compressed.pdf" target="_blank" icon="" dropshadow="no" rounded="no" extraclass=""]Download Manual[/sf_button]     California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $219.95
    $219.95
  • $169.95

    OS50

    5.25” Coaxial Speaker

    FEATURES:

    • 1" KSV Voice Coil
    • Paper Cone
    • Cloth Surround
    • Ferrite Oxide Magnet
    • Stamped Steel Basket
    • Hybrid Technology
      California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $169.95
    $169.95
  • $199.95

    OS12MB

    ,

    12" PRO Audio Mid-Bass

        [sf_button colour="accent" type="standard" size="standard" link="https://okurelectronics.com/wp-content/uploads/2022/01/OS12MB-Insert-Sheet-copy.pdf" target="_blank" icon="" dropshadow="no" rounded="no" extraclass=""]Download Insert[/sf_button]   California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $199.95
    $199.95
  • $269.95

    OA2400.4

    4 Channel Class A/B Amplifier

      [sf_button colour="accent" type="standard" size="standard" link="https://okurelectronics.com/wp-content/uploads/2022/01/OA-Amplifiers-Manual-compressed.pdf" target="_blank" icon="" dropshadow="no" rounded="no" extraclass=""]Download Manual[/sf_button]     California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $269.95
    $269.95
  • $169.95

    OS57

    5x7” Coaxial Speaker

    FEATURES:

    • 1" KSV Voice Coil
    • Paper Cone
    • Cloth Surround
    • Ferrite Oxide Magnet
    • Stamped Steel Basket
    • Hybrid Technology
      California Prop 65 WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $169.95
    $169.95