Radio Design Labs | Shop Our Comprehensive Selection RDL Audio Video Electronic Products, Network Dante Enabled Interfaces, Bluetooth Interfaces, Mixers, Amplifiers, Speakers and Accessories

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

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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...

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MSRP: $807.60

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Now: $605.70

Usually arrives in 5-9 business days.

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MSRP: $807.60

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Now: $605.70

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RDL STA-1M Audio Line Amplifier

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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...

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MSRP: $212.83

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Now: $159.62

Usually arrives in 5-9 business days.

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MSRP: $212.83

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Now: $159.62

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RDL TX-J2 Unbalanced Input Transformer

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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...

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MSRP: $115.31

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Now: $86.48

Usually arrives in 5-9 business days.

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MSRP: $115.31

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Now: $86.48

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RDL ST-MX3 3 Channel Audio Mixer

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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...

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MSRP: $246.68

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Now: $185.01

Usually arrives in 5-9 business days.

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MSRP: $246.68

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Now: $185.01

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

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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...

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MSRP: $686.39

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Now: $514.79

Usually arrives in 5-9 business days.

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MSRP: $686.39

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Now: $514.79

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RDL STM-2X Microphone Preamplifier

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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...

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MSRP: $319.59

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Now: $239.70

Usually arrives in 5-9 business days.

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MSRP: $319.59

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Now: $239.70

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RDL ST-PA2 Mono Audio Amplifier

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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...

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MSRP: $134.97

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Now: $101.22

Usually arrives in 5-9 business days.

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MSRP: $134.97

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Now: $101.22

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RDL ST-PA18 Mono Audio Amplifier

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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...

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MSRP: $245.95

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Now: $184.46

Usually arrives in 5-9 business days.

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MSRP: $245.95

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Now: $184.46

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RDL TX-LC2 Unbalanced to Balanced Line Combiner

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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...

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MSRP: $190.44

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Now: $142.83

Usually arrives in 5-9 business days.

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MSRP: $190.44

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Now: $142.83

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Radio Design Labs (RDL) Commercial Audio Solutions: Signal Processing, Mixing, Distribution and Dante Networked Audio

Designing reliable commercial audio systems requires precise signal routing, mixing, switching, and distribution. Whether you're building a paging system, background music system, or integrated AV installation, the right interface and processing tools are essential for system clarity and performance.

At Pro Acoustics, we specialize in RDL commercial audio mixers, amplifiers, speakers, and accessories for background music, paging, and public address sound systems. We offer a broad range of bestselling Radio Design Labs products, and our knowledgeable sales engineers provide expert product recommendations, system design assistance, and lifetime technical support to ensure your audio system delivers the performance, reliability, and value you expect.

Why Radio Design Labs?

For 40 years, RDL has served the AV industry with practical, installation-focused solutions that solve real-world audio challenges. We design RDL 70V distributed paging and background music (BGM) systems for business use, where RDL products are perfect solutions for mixing, switching, interfacing, and routing sound sources such as paging, voice announcements, recorded music, digital messages, wireless Bluetooth, emergency communications, speech, and sound masking.

Their STICK-ON® modular series provides flexible building blocks for audio system design, with compact modules designed for interfacing, mixing, switching, amplification, monitoring, isolation, control, attenuation, and distribution of audio and video signals. These specialty audio products are used in many commercial sound, distributed audio, broadcast AV, video, and studio recording applications.

Products We Offer

STICK-ON® modules and EZ Series products

Commercial audio mixers and mixer amplifiers

Power amplifiers and distribution amplifiers

Microphone preamplifiers and headphone amplifiers

Dante network interfaces and network amplifiers

Wall-mounted Bluetooth audio interfaces

Decora wall plates, input panels, and active loudspeakers

Attenuators, isolation transformers, switchers, and accessories

Featured RDL Solutions

The STICK-ON and EZ Series lineups give integrators compact, dependable building blocks: microphone preamplifiers, audio mixers, line and distribution amplifiers, routing switchers, attenuators, format converters, and hum-killing isolation transformers that handle microphone-level, line-level, and digital audio signals in installations of any size. Matching Decora wall plates, input panels, and compact active loudspeakers keep system endpoints clean and professional.

RDL's networked audio products bring those same installation-focused designs to modern Dante systems, with wall-mounted bi-directional Dante interfaces, Bluetooth-to-Dante interfaces, microphone-to-Dante converters, network mixing processors, and network-driven amplifiers that simplify distributed audio across complex facilities. RDL solutions support paging, voice announcements, recorded music, digital messaging, wireless Bluetooth sources, emergency communications, speech reinforcement, and sound masking systems.

Don't See What You're Looking For?

We stock more Radio Design Labs products than you may see on this page. Contact our talented sales engineers at (888) 256-4112 and they'll help you find the right solution for your application, needs, and budget.

Radio Design Labs (RDL)

Our Expert-Guided Process

Choose Your System

Choose Your System

We Customize It

We Customize It

Install with Confidence

Install with Confidence

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

RDL STA-1M Audio Line Amplifier

RDL TX-J2 Unbalanced Input Transformer

RDL ST-MX3 3 Channel Audio Mixer

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

RDL STM-2X Microphone Preamplifier

RDL ST-PA2 Mono Audio Amplifier

RDL ST-PA18 Mono Audio Amplifier

RDL TX-LC2 Unbalanced to Balanced Line Combiner

Radio Design Labs (RDL) Commercial Audio Solutions: Signal Processing, Mixing, Distribution and Dante Networked Audio

Why Radio Design Labs?

Products We Offer

Featured RDL Solutions

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