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Radio Design Labs (RDL)

Our Expert-Guided Process

Choose Your System

Choose Your System

Start with the system that fits your application.

We Customize It

We Customize It

Our Sales Engineers fine-tune it for your needs and budget.

Install with Confidence

Install with Confidence

Professionally designed. Ready to perform.

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  • RDL RU-MLD4T

    RDL RU-MLD4T 4-Channel Mic/Line Distribution Amplifier with Studio Quality 1x4 Audio Output Transformer

    RDL RU-MLD4T Microphone / Line Distribution Amplifier - 1x4 with Transformer The RU-MLD4 is a four channel audio distribution amplifier. The input and all four outputs may be connected through the front-panel XLR jacks or on the rear panel detachable...
    MSRP: $807.60
    $605.70

    Usually arrives in 5-9 business days.

  • RDL STA-1M Audio Line Amplifier

    RDL STA-1M Audio Line Amplifier

    The STA-1M allows bridging any audio line, adjusting the gain, and driving a balanced or unbalanced line. The circuit design allows the input to accept either balanced or unbalanced signals, of either high or low impedance. This is an instrumentation...
    MSRP: $212.83
    $159.62

    Usually arrives in 5-9 business days.

  • RDL TX-J2 Unbalanced Input Transformer

    RDL TX-J2 Unbalanced Input Transformer

    The TX-J2 is part of the group of versatile TX series products from Radio Design Labs. The TX series feature the advanced circuitry for which RDL products are known, combined with durable, quality connectors. The ultra-compact TX series can be mounted...
    MSRP: $115.31
    $86.48

    Usually arrives in 5-9 business days.

  • RDL ST-MX3 3 Channel Audio Mixer

    RDL ST-MX3 3 Channel Audio Mixer

    The line-level output is capable of driving either high or low impedance, balanced or unbalanced loads. The ST-MX3 operates from floating or bipolar dc power. For installations with microphone level inputs, use the ST-UMX3 Universal Audio Mixer.
    MSRP: $246.68
    $185.01

    Usually arrives in 5-9 business days.

  • RDL FP-MX4 4-Channel Microphone and Line Audio Mixer with Phantom Power

    RDL FP-MX4 4-Channel Microphone and Line Audio Mixer with Phantom Power

    The RDL FP-MX4 Audio Mixer is a single-channel audio mixing module featuring four identical inputs. Each input accepts either a mic or line level source. The output section provides four mixing potentiometers corresponding to the four inputs. The output...
    MSRP: $686.39
    $514.79

    Usually arrives in 5-9 business days.

  • RDL STM-2X Microphone Preamplifier

    RDL STM-2X Microphone Preamplifier

    The STM-2X is the ideal choice in many installations where a microphone preamplifier is required, and is the ideal choice where either a toggle-type switch or push-to-talk switch is to be provided for microphone control, particularly if condenser...
    MSRP: $319.59
    $239.70

    Usually arrives in 5-9 business days.

  • RDL ST-PA2 Mono Audio Amplifier

    RDL ST-PA2 Mono Audio Amplifier

    The ST-PA2 features a single, unbalanced audio input, a gain control, and two outputs. The first output is designed to deliver a clean 2 watts RMS into an 8 Ω speaker. The second output is intended to drive 600 Ω transformers, typically on...
    MSRP: $134.97
    $101.22

    Usually arrives in 5-9 business days.

  • RDL ST-PA18 Mono Audio Amplifier

    RDL ST-PA18 Mono Audio Amplifier

    The ST-PA18 features a balanced line level input that may be connected unbalanced. The gain control range will accommodate standard unbalanced levels as well as professional balanced levels. The module bridges the input signal. LOOP OUT terminals permit...
    MSRP: $245.95
    $184.46

    Usually arrives in 5-9 business days.

  • RDL TX-LC2 Unbalanced to Balanced Line Combiner RDL TX-LC2 Unbalanced to Balanced Line Combiner

    RDL TX-LC2 Unbalanced to Balanced Line Combiner

    The TX-LC2 is the ideal choice in installations requiring the active, isolated mixing of two unbalanced line-level audio sources to feed a balanced (or unbalanced) audio line.The input circuits are high-impedance, line-level (-10 dBV) and are isolated...
    MSRP: $190.44
    $142.83

    Usually arrives in 5-9 business days.

  • Don't Go It Alone

    From your initial consultation through installation and ongoing support, we’re dedicated to providing expert guidance and custom solutions.

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