SoundTube MA501t 50W Mini Amplifier

SKU: SOMA501T MFR: MA501T
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Key Features

  • Experience pristine sound quality with this mini amplifier's <0.1% THD+Noise rating.
  • This 50W amplifier delivers robust power output for clear audio in small venues.
  • Easily connect your audio sources using RCA unbalanced or Euro Block balanced inputs.
  • Achieve optimal impedance match with 25V/70.7V/100V output options for speakers.
  • Enjoy peace of mind with built-in overload, short circuit, and heat protection features.
  • The compact build quality of this amplifier makes it perfect for discreet installations.
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Special Order?Estimated to Ship: 08/16/2025
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SoundTube MA501t Specifications

  • Amplifier Power

    50 watts RMS <0.5% THD

  • Output

    25V/70.7V/100V

  • High Pass Filter

    120 Hz at 12 dB/octave ( Switchable)

  • Overall Response

    30 Hz - 20 kHz +/- 3 dB at 1 watt < 0.2% THD

  • Output Power

    50Hz-20 kHz at <1% THD 50W at 25/70/100V

  • Power Band Width Response

    50Hz - 20 kHz +/- 3 dB

  • Inputs

    RCA Unbalanced/Single Euro Block Balanced

  • Maximum Input Sensitivity

    500 mV for full output

  • THD+ Noise

    <.1% below rated output power

  • S/N

    >84 dB un-weighted

  • Input Impedance

    20K unbalanced, 15K balanced

  • Protection Functions

    Amplifier-Overload, Short Circuit, DC and Heat Protection Power Supply- Thermal protection, Over current protection, Short circuit protection

  • Front Panel Indicators

    Power/Standby, Clipping LEDs

  • Power Supply

    Input: 100-240VAC 50/60 Hz
    Output: 32 VDC at 1.6 A

  • Current Consumption

    0.6 A/AC (120V)

  • Operating Voltage

    100-240 VAC with approved power supply

  • Regulatory - UL

    UL 60065 Listed

  • CCC

    Approved

  • Regulatory - CE

    Approved

  • RoHS

    Approved

  • Operating Temperature

    -20 to 150 deg. F (-29 to 66 deg. C)

  • Dimensions (HxWxD)

    1.25 x 3.9 x 7.9" (3.18 x 9.91 x 20.07cm)

  • Weight

    1.6 lbs (0.73kg)

  • UPC Code

    748252171870

About SoundTube MA501t

How can you enhance your audio distribution with both power and precision The MA501t 50W Mini Amplifier is the answer for those seeking a robust, yet space-saving solution for their sound system needs. This low-voltage mono power amplifier is expertly engineered for superior performance in distributed sound applications, making it an indispensable tool for audio professionals and enthusiasts alike.

Crafted with meticulous attention to detail, the MA501t is compatible with SoundTube's high-fidelity speakers, as well as a variety of other premium audio devices, ensuring a seamless integration into your existing setup. With a substantial 50 watts of output power, this amplifier can operate at 25V, 70V, or 100V, providing versatile options to match the requirements of your sound system.

The amplifier's efficient design includes a convenient 12V trigger for auto-on/off functionality, which simplifies operation and conserves energy. Additionally, the front panel boasts a recessed gain control, strategically designed to prevent unauthorized adjustments, thus maintaining your optimal sound settings.

The MA501t's compact form factor belies its powerful performance, making it an excellent choice for those who need to maximize space without compromising on audio quality. Its durable construction ensures that it can withstand the rigors of frequent use, making it a reliable addition to any audio setup.

Ideal for a wide array of commercial environments, the MA501t excels in delivering mono audio to speakers across various locations. Whether it's for hospitality venues, corporate offices, retail spaces, educational institutions, government facilities, or themed entertainment areas, this amplifier is built to cater to the diverse needs of professional audio distribution.

In summary, the MA501t 50W Mini Amplifier stands out as a powerful, compact, and high-quality audio solution that offers efficient and durable performance for any distributed sound application.

SoundTube MA501t Features

  • Compact high-output, constant voltage 50W amplifier
  • Audio grade toroidal output transformer
  • Rugged extruded aluminum housing
  • Taps for 25V, 70V, 100V
  • Balanced inputs (Euroblock) and unbalanced inputs (RCA)
  • Euroblock outputs
  • Signal sensing Auto-on or 12v trigger
  • 30Hz - 20kHz +/- 0.5 dB frequency response
  • Peak output detector and indicator (clipping), power LED
  • Recessed screw adjust input gain
  • 120Hz high pass switch
  • Overload, Short Circuit, DC and Heat Protection
  • Versatile mounting options: pole, rack or chassis

Warranty Information

This product has a limited warranty of 60 months.

Product Documents

User Manual

Key Features

  • Experience pristine sound quality with this mini amplifier's <0.1% THD+Noise rating.
  • This 50W amplifier delivers robust power output for clear audio in small venues.
  • Easily connect your audio sources using RCA unbalanced or Euro Block balanced inputs.
  • Achieve optimal impedance match with 25V/70.7V/100V output options for speakers.
  • Enjoy peace of mind with built-in overload, short circuit, and heat protection features.
  • The compact build quality of this amplifier makes it perfect for discreet installations.

What's in the box:

  • SoundTube MA501t 50W Mini Amplifier
  • Power Supply with Cord
  • 4-Pin Euroblock Connector
  • 2x 3-Pin Euroblock Connector
  • Mounting Bracket
  • SoundTube 5 Year Limited Warranty (3 Year On Electronics)