Radio Design Labs (RDL)
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Our RDL Offering
We specialize in RDL Commercial audio mixers, amplifiers, speakers, and accessories for background music, paging, and public address sound systems. We design RDL 70V distributed paging and background music (BGM) systems for business use. 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.
Shop our broad range of bestselling Radio Design Labs audio and video products including Radio Design Labs STICK-ON modules and a variety of solutions designed for interfacing, mixing, switching, amplification, monitoring, isolation, control, attenuation, and distribution audio and video signals. These specialty audio products are designed for commercial audio, pro audio, pro video, and studio switching, controlling, and processing of audio line-level, microphone-level, digital audio, and video signals. Radio Design Labs electronics, audio, video, and control products are used in many commercial sound, distributed audio, broadcast AV, video, and studio recording applications.
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RDL D-CIJ3 Mono Consumer Input Jacks
The RDL D‑CIJ3 is the ideal choice in installations requiring the passive mixing of two unbalanced line level audio sources to feed a mono balanced (or unbalanced) audio line. The D‑CIJ3 is a complete unbalanced line‑level audio input module.
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RDL DS-CIJ3D Stereo Consumer Input Jacks - Stereo
The RDL DS-CIJ3D is the ideal choice in installations requiring stereo unbalanced line level audio sources to feed stereo balanced (or unbalanced) audio lines. The DS-CIJ3D is a complete unbalanced line-level audio input module.List $168.62Price $126.46Savings $42.16 (25%) -
RDL TX-PA40D Stereo Audio Amplifier with Power Supply
The RDL TX-PA40D Stereo Audio Amplifier is the ideal choice in many applications where a high quality, high-efficiency utility amplifier is needed to drive a pair of 4 Ω or 8 Ω speakers. It is specifically suited to fixed-gain amplification applications where gain is controlled by other equipment.
List $430.45Price $322.84Savings $107.61 (25%) -
RDL RU-PA40D Stereo Audio Amplifier
The RDL RU-PA40D Stereo Audio Amplifier is the ideal choice in many applications where a high quality, high-efficiency utility amplifier is needed to drive a pair of 4 Ω or 8 Ω speakers. It is specifically suited to amplification applications where users need to adjust the gain.
List $478.55Price $358.91Savings $119.64 (25%) -
RDL TX-8A 4 Ohm / 8 Ohm Input Interface
The TX-8A is the ideal choice in many applications requiring superior quality transformer coupling between the output of a 4 or 8 Ohm power amplifier and the input of an audio mixer or amplifier. A front-panel LEVEL control allows the output to be adjusted for -10 dBV or +4 dBu over a wide range of amplified power levels.
List $130.68Price $98.01Savings $32.67 (25%) -
RDL DB-CIJ3D Mono Consumer Input Jacks
The DB-CIJ3 is the ideal choice in installations requiring the passive mixing of two unbalanced line-level audio sources to feed a mono balanced (or unbalanced) audio line.
List $169.11Price $126.84Savings $42.27 (25%) -
RDL FP-PA20B 20W Mono RMS Audio Power Amplifier 25V
The RDL FP-PA20B produces average audio levels and audio clarity normally expected of amplifiers delivering much higher output power.
List $273.68Price $205.26Savings $68.42 (25%) -
RDL FP-PA20 20W Mono RMS Audio Power Amplifier 8 ohm
The RDL FP-PA20 produces average audio levels and audio clarity normally expected of amplifiers delivering much higher output power.
List $277.59Price $208.19Savings $69.40 (25%) -
RDL FP-PA20A 20W Mono RMS Audio Power Amplifier 70V and 100V
Both a 70V and 100V amplified output are provided on the RDL FP-PA20A to drive corresponding speakers in a distributed sound system.
List $283.86Price $212.89Savings $70.97 (25%) -
RDL D-HPA3 3.5 Watt Audio Power and Headphone Amplifier
The RDL D-HPA3 is a 3.5 Watt audio power and headphone amplifier with a line input, an amplified output to drive a 4 or 8 ohm speaker and a separate headphone amplifier. Features a balanced line level input that can connect unbalanced.List $335.91Price $251.93Savings $83.98 (25%) -
RDL FP-PA35A 35W Mono Audio Amplifier with Power Supply
The RDL FP-PA35A is the ideal choice in many applications where multiple 25V, 70V or 100V speakers in a zone need to be powered from a single audio power amplifier.
List $413.06Price $309.79Savings $103.27 (25%) -
RDL RU-ADA4D 4-Channel Audio Distribution Amplifier
The RDL RU-ADA4D is a four channel stereo audio distribution amplifier with input and output gain adjustments and input level metering and may be operated in mono to provide up to eight distributed mono signals.
List $481.18Price $360.88Savings $120.30 (25%) -
RDL HD-MA35 Mixer Amplifier with Power Supply
The RDL HD-MA35 Mixer Amplifier with Power Supply is a three input audio mixer amplifier for systems demanding a broad range of features and high energy efficiency. Two output power amplifier zones are provided, 35 W (Zone 1) and 2 W (Zone 2).
List $510.49Price $382.87Savings $127.62 (25%) -
RDL HD-MA35A Mixer Amplifier with Power Supply
The RDL HD-MA35A Mixer Amplifier with Power Supply is a three input audio mixer amplifier for systems demanding a broad range of features and high energy efficiency. Two output power amplifier zones are provided, 35 W (Zone 1) and 2 W (Zone 2).
List $533.70Price $400.27Savings $133.43 (25%) -
RDL FP-MR2 Message Repeater with 1.7 Minute Digital Storage
The RDL FP-MR2 is a message repeater that permits electronic storage of a single recording up to one minute and forty seconds in duration. This message may be played back manually using an external contact closure to ground or using the front-panel START button.
List $554.71Price $416.03Savings $138.68 (25%) -
RDL HD-MA35UA 35W Mixer Amplifier 25V 70V or 100V Output with Power Supply
The RDL HD-MA35U is a 4-input audio mixer amplifier for systems demanding the broadest range of features and the highest energy efficiency. Two output power amplifier zones, 35W (zone 1) and 4W (zone 2), are driven from high-efficiency Class D amplifier stages.
List $658.59Price $493.94Savings $164.65 (25%) -
RDL FP-MX4 4-Channel Microphone and Line Audio Mixer with Phantom Power
The RDL FP-MX4 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.
List $666.40Price $499.80Savings $166.60 (25%) -
RDL SF-NP50A Network to 50W Mono Audio Amplifier - 70V or 100V Output
The RDL SF-NP50A is an audio power amplifier that converts one Dante network audio channel and one analog input to a 70V or 100V constant voltage amplified output. The output provides 50 watts for a network digital audio level of 0 dBFS. Special software is not required to configure the module.
List $886.26Price $664.70Savings $221.56 (25%)