SoundTube Phase Technology P350 Class-G High Current Mono Black Amplifier
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SoundTube Phase Technology P350 Class-G High Current Mono Black Amplifier

SKU: SOP350AMPLIR MFR: P350 AMPLIFIER
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Key Features

  • Experience powerful audio with the SoundTube P350 amplifier, delivering 350W at 4 Ohms.
  • Enjoy versatile sound modes: Sub, LFE, and Wide-Range, perfect for any audio setup.
  • Fine-tune your sound with the adjustable low pass crossover frequency from 40-120Hz.
  • Achieve pristine audio quality with a full-range response from 10Hz to 20 kHz.
  • Easily integrate with balanced RCA or XLR inputs for seamless connectivity options.
  • Optimize bass with low-frequency EQ, adjustable from -3dB to +6dB at 30Hz.
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Special Order?Estimated to Ship: 08/16/2025
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SoundTube P350 Specifications

  • Modes

    Sub, LFE, Wide-Range

  • Amplifier Power

    350 Watts RMS >.5% THD at 4 Ohms, 700 Watts peak
    225 Watts RMS >.5% THD at 8 Ohms, 400 Watts peak

  • Crossover Frequency

    Low Pass 40 - 120Hz; 24dB/octave

  • LFE Freq Response

    20 - 500Hz

  • Full-range Response

    10Hz - 20 kHz +0/-.25dB; 5 - 60 kHz +0/-3dB

  • Low Frequency EQ

    -3dB to +6dB at 30Hz

  • Inputs

    Gold-Plated Balanced RCA; Balance XLR

  • Input Sensitivity

    175 mV For Full Output Unbalanced(220 mV Balanced

  • Damping Factor

    <200

  • Input Impedance

    22K Unbalanced, 37.5K Balanced

  • Current Consumption

    3 Amps at 8 Ohms; 5.5 Amps at 4 Ohms Continuous

  • Dimensions (HxWxD)

    2 x 17.25 x 13.25" (5.08 x 43.82 x 33.66cm)

  • Weight

    17 lbs (7.71kg)

  • UPC Code

    748252173577

About SoundTube P350

Take your audio experience to the next level with the Phase Technology P350 Class-G High Current Mono Black Amplifier. This high-performance amplifier is the perfect companion to Phase Technology's custom in-wall subwoofer systems, but its versatility extends beyond just subwoofer applications.

Engineered with Class-G technology, the P350 delivers high current power, ensuring a robust and dynamic audio output. This mono-block audio power amplifier is designed to handle a full range of frequencies, from the deepest bass to the highest treble, providing you with a rich, immersive sound experience.

Its sleek black design is not only aesthetically pleasing but also complements any home or professional audio setup. Whether you're a music enthusiast seeking to enhance your home audio system or a professional looking for reliable, high-performance audio equipment, the Phase Technology P350 Class-G High Current Mono Black Amplifier is an excellent choice.

Experience the power and flexibility of the Phase Technology P350, a high current, high-performance, mono-block audio power amplifier that delivers unparalleled sound quality.

SoundTube P350 Features

  • Soft Clipping (Subwoofer Mode)
  • Short Circuit / Overload
  • Thermostatic Variable Speed Fan Cooling
  • Thermal Overload Protection
  • Transformer Thermal Protection
  • Over-Current Protection

Warranty Information

This product has a limited warranty of 36 months.

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Key Features

  • Experience powerful audio with the SoundTube P350 amplifier, delivering 350W at 4 Ohms.
  • Enjoy versatile sound modes: Sub, LFE, and Wide-Range, perfect for any audio setup.
  • Fine-tune your sound with the adjustable low pass crossover frequency from 40-120Hz.
  • Achieve pristine audio quality with a full-range response from 10Hz to 20 kHz.
  • Easily integrate with balanced RCA or XLR inputs for seamless connectivity options.
  • Optimize bass with low-frequency EQ, adjustable from -3dB to +6dB at 30Hz.

What's in the box:

  • SoundTube Phase Technology P350 Class-G High Current Mono Black Amplifier
  • SoundTube 3 Year Limited Warranty