Lowell Manufacturing OS-50T Indoor/Outdoor Speaker, 50W RMS, 5.25" LF Woofer, 0.5" HF Tweeter, White, Single

SKU: LWOS50TW MFR: OS-50TW
$179.52
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Key Features

  • Experience superior sound quality with this 50W RMS indoor/outdoor speaker.
  • Enjoy versatile audio with adjustable U-bracket for easy wall-mount installation.
  • This durable speaker features a weather-resistant design for reliable outdoor use.
  • Achieve optimal audio with wide frequency response from 102Hz to 20kHz.
  • Easily connect using the removable Phoenix connector for secure audio transmission.
  • Enhance any space with this aesthetically pleasing white speaker, blending seamlessly.
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Special Order?Estimated to Ship: 09/07/2025
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Lowell Manufacturing OS-50T Specifications

Performance

Performance

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  • Power Handling

    50 watts RMS measured per EIA Standard RS-426B at 8 ohms

  • Sensitivity

    85.4dB SPL (avg) measured 1 Watt at 1 Meter
    102.4dB SPL (max) calculated 50 Watts at 1 Meter

  • Frequency Response

    102Hz-16.5kHz (+6dB), 89Hz-20kHz(+7.5dB)

  • Impedance

    8 ohms (nominal), 8.3 ohms at 322Hz (minimum)
    Impedance readings expected from typical 1kHz impedance Meter:
    Switch setting A: 400 ohms
    Switch setting B: 800 ohms
    Switch setting C: 1600 ohms
    Switch setting D: 3200 ohms
    8 ohm setting: 10.3 ohms

  • Conical Dispersion

    115 degrees conical at 2000Hz octave (-6dB)

Drivers

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  • Woofer

    5.25" polypropylene coated with rubber surround

  • Tweeter

    1/2" PEI

Cabinet

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  • Cabinet Housing

    Molded plastic, white

  • Cabinet Grille

    Fine mesh aluminum painted white

  • U-Bracket

    Aluminum painted white

  • Input Terminals

    Phoenix type connector with weather protective boot. (14AWG stranded wire max.)

General

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  • Transformer

    Tap: A
    25V Line: 1.9W
    70V Line: 15W
    100V Line: Do not use

    Tap: B
    25V Line: 0.94W
    70V Line: 7.5W
    100V Line: 15W

    Tap: C
    25V Line: 0.47W
    70V Line: 3.8W
    100V Line: 7.5W

    Tap: D
    25V Line: 0.23W
    70V Line: 1.9W
    100V Line: 3.8W

  • Dimensions (HxWxD)

    Without Bracket: 8.74 x 7.01 x 5.49" (22.20 x 17.81 x 13.94cm)
    With Bracket: 9.10 x 7.01 x 6.01" (23.11 x 17.81 x 15.27cm)

  • Weight

    4.9 lbs (2.22kg) (each)

About Lowell Manufacturing OS-50T

50W indoor-outdoor loudspeaker with enclosure and grille for commercial or residential use. Two-way music speaker provides excellent sound reproduction at 8 ohms, 25V, 70V or 100V. For indoor or protected outdoor use.

Lowell Manufacturing OS-50T Features

  • Compact assembly with 50W power rating meets specifications for high quality indoor/protected (covered) outdoor music applications
  • 5.25" polypropylene coated woofer with rubber surround for weather resistance
  • 1/2" PEI tweeter for clear frequency reproduction
  • Molded plastic housing with weather-resistant terminal cover and fine mesh aluminum grille. white finish
  • Factory-installed, adjustable U-bracket with 90 degree (horizontal/vertical) rotation allows easy surface installation to a single gang EO box
  • The housing's 1/4"-20 threaded mounting points on 3" centers allow use of Lowell's omni-directional bracket OS-BRKT-W (order separately) or Adaptive Technologies bracket MM-008-BT (order elsewhere)
  • 50W power rating with frequency response of 102Hz16.5kHz +6dB and average sensitivity of 85.4dB measured 1W1M
  • Connections are made using stranded wire (up to 14 gauge) to a removable 4-conductor Phoenix connector, which is protected by a weather-resistant terminal cover and rubber grommet that can be removed if larger wire sizes are used
  • Rear of speaker features an 8ohm/transformer selector switch. The screwdriver-adjustable switch allows for direct 8ohm or distributed 25V, 70V or 100V tap positions

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Experience superior sound quality with this 50W RMS indoor/outdoor speaker.
  • Enjoy versatile audio with adjustable U-bracket for easy wall-mount installation.
  • This durable speaker features a weather-resistant design for reliable outdoor use.
  • Achieve optimal audio with wide frequency response from 102Hz to 20kHz.
  • Easily connect using the removable Phoenix connector for secure audio transmission.
  • Enhance any space with this aesthetically pleasing white speaker, blending seamlessly.

What's in the box:

  • Lowell Manufacturing OS-50T Indoor/Outdoor Speaker with Enclosure and Grille
  • Removable 4-Conductor Phoenix Connector
  • Adjustable U-Bracket
  • Lowell Manufacturing 1 Year Limited Warranty