Rolls HR251 50+50W XLR Power Amplifier
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Rolls HR251 50+50W XLR Power Amplifier

SKU: ROLHR251 MFR: HR251
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$269.00
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Key Features

  • Experience pristine audio with this Rolls power amplifier, boasting a low 0.05% THD.
  • This stereo power amplifier delivers 50W x 2 at 4 Ohms, ideal for studio monitors or small PA systems.
  • Achieve optimal sound quality with a high signal-to-noise ratio, ensuring clear audio output.
  • Featuring XLR inputs, this amplifier integrates seamlessly into professional audio setups.
  • Benefit from reliable protection circuits, safeguarding your speakers and amplifier from damage.
  • Compact and efficient, this Rolls amplifier offers a bandwidth of 20Hz - 25kHz for full-range sound.
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Rolls HR251 Specifications

  • Input Impedance

    10K Ohms RCA
    10K Ohms XLR

  • Power Output

    50 Watts x2 (4 Ohms)

  • Voltage Gain

    30 dB

  • Maximum Supply Voltage

    24 VDC

  • THD

    0.05% typical

  • EIN

    3 mV

  • Efficiency

    87%

  • Input Sensitivity

    28 mV

  • Bandwidth

    20Hz - 25 kHz /- 3dB

  • Dimensions

    6.5 x 4 x 1.5" (16.5 x 10.1 x 3.81cm)

About Rolls HR251

Are you in search of a robust and reliable power amplifier for your professional audio and visual applications Look no further than the HR251 50+50W XLR Power Amplifier. This advanced, dual-channel power amplifier delivers a potent 50 watts per channel, making it an ideal choice for powering high-performance speakers or large sound systems.

Engineered by Rolls, a brand synonymous with superior audio equipment, the HR251 is built to last. It features an FR4(V94-0) rated glass epoxy circuit board and a durable, powder-coated steel chassis, ensuring longevity and reliable performance.

The HR251 50+50W XLR Power Amplifier is equipped with both stereo RCA and XLR line-level inputs, offering versatility in connectivity. It also boasts Plugable Phoenix connectors for outputs, enhancing its compatibility with various audio setups.

To operate the HR251, simply connect cables from your audio source to the RCA or XLR channel inputs of the amplifier. Then, connect the HR251 outputs to speakers with an impedance of 4 Ohms or higher. The channel level controls allow you to adjust the volume to your desired level, providing a customized audio experience.

In summary, the HR251 50+50W XLR Power Amplifier is a powerful, high-quality, and durable choice for any professional audio and visual application.

Rolls HR251 Features

  • Dual channel 50 watt power amplifier
  • An FR4(V94-0) rated glass epoxy circuit board
  • Stereo RCA and XLR line level Input

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Product Documents

User Manual

Key Features

  • Experience pristine audio with this Rolls power amplifier, boasting a low 0.05% THD.
  • This stereo power amplifier delivers 50W x 2 at 4 Ohms, ideal for studio monitors or small PA systems.
  • Achieve optimal sound quality with a high signal-to-noise ratio, ensuring clear audio output.
  • Featuring XLR inputs, this amplifier integrates seamlessly into professional audio setups.
  • Benefit from reliable protection circuits, safeguarding your speakers and amplifier from damage.
  • Compact and efficient, this Rolls amplifier offers a bandwidth of 20Hz - 25kHz for full-range sound.

What's in the box:

  • Rolls HR251 50+50W XLR Power Amplifier
  • 24V Power Supply (KSU100)
  • User Manual
  • Rolls 1 Year Limited Warranty