Listen Technologies LA-81 4-Way RF Antenna Combiner for LA-107, LA-391, LA-390

SKU: LTLA81 MFR: LA-81
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Key Features

  • Optimize your audio system with the LA-81 RF antenna combiner for clear sound.
  • Enhance assistive listening setups using this 4-way RF antenna combiner.
  • Ensure seamless connectivity for LA-107, LA-391, & LA-390 audio devices.
  • Reduce signal loss with a 3 dB power loss for every two combined signals.
  • Expand your system's range; supports frequencies from .025 to 250 MHz.
  • Passive design means no external power needed for this RF antenna combiner.
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Special Order?Estimated to Ship: 09/10/2025
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Listen Technologies LA-81 Specifications

Interconnections

Interconnections

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  • Connectors

    BNC

  • Frequency Range

    .025 to 250 MHz

  • Inputs

    4

  • Outputs

    1

  • Impedance

    50 Ohm

  • Power Loss

    3 dB for every two combined signals

  • Phase

    0 Degree

  • Input RF Power Rating

    1 W

  • Power Supply Type

    Passive

Environmental

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  • Temperature - Operation

    14 Degree F (-10 Degree C) to 104 Degree F (+40 Degree C)

  • Temperature - Storage

    -67 Degree F (-55 Degree C) to 212 Degree F (+100 Degree C)

Compliance

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  • Safety

    RoHS

Physical

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  • Compatibility

    LA-107, LA-391, LA-390

  • Dimensions (H x W x D)

    3.25 x 1.25 x 2.75" (82 x 32 x 69mm)

  • Weight

    4.4 oz (0.12kg)

Models
Listen Technologies LA-81 4-Way RF Antenna Combiner for LA-107, LA-391, LA-390
$258.00

$271.00

Save:$13.00 (5%)

Special Order

Generally ships in 7-14 days, subject to availability

Listen Technologies LA-80 2-Way RF Antenna Combiner for LA-107, LA-391, LA-390
$215.00

$226.00

Save:$11.00 (5%)

Special Order

Generally ships in 7-14 days, subject to availability

Listen Technologies LA-465 Dante 1-Channel Output XLR Adapter
$353.00

$390.00

Save:$37.00 (9%)

Special Order

Generally ships in 7-14 days, subject to availability

Accessory TypeCables & AdaptersCables & AdaptersCables & Adapters

About Listen Technologies LA-81

From enhancing your broadcasting capabilities to streamlining your antenna setup, the LA-81 4-Way RF Antenna Combiner is an essential tool for any audio-visual enthusiast or professional. This passive device, requiring no power supply, ingeniously combines up to four incoming RF signals into a single, powerful outgoing antenna source.

Designed for use with LA-107, LA-391, and LA-390 models, this RF antenna combiner is ideal for situations where multiple antenna sources are needed but only one antenna output is available or preferred. Whether you're managing a complex home theater system or a professional broadcasting station, the LA-81 4-Way RF Antenna Combiner simplifies your setup without compromising on signal strength or quality.

With its user-friendly design and robust functionality, the LA-81 4-Way RF Antenna Combiner is a reliable solution for managing multiple RF signals. Its ability to seamlessly merge four distinct antenna sources into one makes it a valuable addition to any audio-visual equipment collection. Harness the power of efficient signal management with the LA-81 4-Way RF Antenna Combiner.

Listen Technologies LA-81 Features

  • Combines four (4) incoming RF signals and combines them into one (1) outgoing antenna source
  • Passive (no power supply needed)
  • Light weight
  • Works with 72 or 216 MHz
  • Mountable
  • Labeled for ease of use

Key Features

  • Optimize your audio system with the LA-81 RF antenna combiner for clear sound.
  • Enhance assistive listening setups using this 4-way RF antenna combiner.
  • Ensure seamless connectivity for LA-107, LA-391, & LA-390 audio devices.
  • Reduce signal loss with a 3 dB power loss for every two combined signals.
  • Expand your system's range; supports frequencies from .025 to 250 MHz.
  • Passive design means no external power needed for this RF antenna combiner.

What's in the box:

  • LA-81 4-Way RF Antenna Combiner
  • Instruction Sheet
  • Listen Technologies 1 Year Limited Warranty