RDL ST-VOX1
Audio Control, Vox Relay
The ST-VOX1 is an Audio Controlled Relay in the STICK-ON® series. When used in intercom or talkback applications, the ST-VOX1 may be triggered directly from an unbalanced microphone. In many such installations the microphone or other audio source must be preamplified, making the ST-VOX1 an…
Call for availabilityRDL ST-RX2
Audio Routing Switcher
The ST-RX2 has a single line-level audio input and two line-level audio outputs. In the absence of a control input, the NORMAL module output is fed from the audio input. When the TRIG control terminal is connected to ground, the input audio is fed to the SELECT output and the NORMAL output is…
Call for availabilityRDL FP-ALC1
Automatic Level Control Mono +4 Balanced
The FP-ALC1 is the ideal choice in many applications where consistent mono audio levels are needed from professional sources with varying audio output levels. Power connections are made using either the full-size barrier block or a dc power jack located in one end panel.The FP-ALC1 is a single…
Call for availabilityRDL HR-DAC1
D to A Converter - 24 Bit / 192 kHz
The HR-DAC1 is the ideal choice in installations requiring high quality analog audio from an AES/EBU, AES-3ID or S/PDIF digital audio source. The HR-DAC1 automatically detects a valid input on any of the four input jacks: S/PDIF optical, S/PDIF coaxial, AES-3ID or AES/EBU. The AES/EBU input is 110…
Call for availabilityRDL DDB-BN22
Bi-Directional Mic/Line Dante Interface 2 x 2 w/PoE - Black
The DDB-BN22 is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs and two XLR mic or line outputs on the front panels. Special software is not required to configure the DDB-BN22. Each XLR input provides three switches that may be set from the front of the…
Call For AvailabilityRDL FP-BUC2
Balanced to Unbalanced Converter
The FP-BUC2 is the ideal choice for connectorized conversion from balanced to unbalanced audio. This module features two identical active (transformerless) channels. Gold contact XLR jacks are utilized for the balanced input channels. Each output is unbalanced, connected through a gold-plated phono…
Call for availabilityRDL HR-ADC1
Analog to Digital Converter
The HR-ADC1 is a broadcast quality A/D converter that provides exceptional audio accuracy and clarity with any audio source or style. Superior analog performance fine tuned through audiophile listening practices produces very low distortion (0.0006%), exceedingly low noise (-135 dB) and remarkably…
Call for availabilityRDL ST-SX4
4 Input Switcher
The ST-SX4 accepts up to four unbalanced audio sources. Any of these sources may be selected to feed the output, or all sources may be switched off. The output from the ST-SX4 is unbalanced. Control of the module is accomplished through a single input terminal. Connection of a specified resistance…
Call for availabilityRDL HR-DSX4
Digital Audio Selector
The RDL HR-DSX4 is the ideal choice in installations requiring high quality source selection between digital audio signals, offering solid-state switching to select one of four inputs. Each input may be fed through one of three jacks: S/PDIF optical, S/PDIF (or AES-3ID) coaxial or AES/EBU. The…
Call for availabilityRDL ST-PH1
Stereo Phono Preamp
The ST-PH1 is a stereophonic phono preamplifier. Each of the two channel circuits is identical. The ST-PH1 has standard 47 kΩ impedance unbalanced phono cartridge inputs. Equalization follows the RIAA curve. Each output is capable of driving balanced or unbalanced, high or low impedance loads.…
Call for availabilityRDL SF-ND2
Network to Digital Audio Interface - Dante
The SF-ND2 is a digital audio interface that converts two Dante network audio channels to a stereo digital audio output. The output is switch-selectable to provide an AES/EBU on XLR, or coaxial and optical S/PDIF. The switch enables the appropriate output jack and any required electrical and data…
Call For AvailabilityRDL SF-DN4
Digital Audio to Network Interface - Dante
The SF-DN4 is a digital audio interface that converts two stereo digital audio sources to four Dante network audio channels. The SF-DN4 automatically detects a valid input on any of the three input jacks: S/PDIF optical, S/PDIF coaxial, or AES/EBU XLR. The input is decoded, re-clocked and…
Call For AvailabilityRDL SF-UN1
USB to Network Interface - Dante
The SF-UN1 is a digital audio interface that converts a USB stereo digital audio source to two Dante network audio channels. The SF-UN1 automatically detects a valid USB input. The input is decoded, re-clocked and transmitted to the Dante network. The module provides automatic sample rate…
Call For AvailabilityRDL DDB-BN2M
Bi-Directional Mic/Line Dante Interface 2 x 2 w/PoE - Black
The DDB-BN2M is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs on the front panels, plus two line outputs on a rear-panel detachable terminal block. Special software is not required to configure the DDB-BN2M. Each XLR input provides three switches that…
Call For AvailabilityRDL STD-150
Divider / Combiner
Each STD module is a resistive branching network with RF filtering on each of the four channels. Any channel, A through D, may be either an input or an output. This permits combining stereo signals into mono inputs, splitting mono signals to multiple inputs, and even combining microphones with…
Call for availabilityRDL PS24AS
24 VDC Switching Power Supply, North American AC Plug, 500 mA, dc Plug
The RDL PS-24AS is a 24 Vdc switching power supply with a North American AC plug.RDL PS-24AS Specifications: • Input: 100 to 240 VAC • Output: 24 Vdc, 500 mA (UL, CSA) • Dimensions: 1.65 in. (4.2 cm) x 2.75 in. (7 cm) x 1.45 in. (3.7 cm), nominal • Efficiency: ENERGY STAR Level IV
In StockRDL DD-BN31
Bi-Directional Mic/Line Dante Interface 4 x 4 w/PoE - White
The DD-BN31 is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs, one stereo Mini-jack line input and one stereo Mini-jack line output on the front panels, plus two line outputs on a rear-panel detachable terminal block. Special software is not required…
Call For AvailabilityRDL DD-BN22
Bi-Directional Mic/Line Dante Interface 2 x 2 w/PoE -White
The DD-BN22 is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs and two XLR mic or line outputs on the front panels. Special software is not required to configure the DD-BN22. Each XLR input provides three switches that may be set from the front of the…
Call For AvailabilityRDL TX-J2
Unbalanced Input Transformer
The RDL TXJ2 is an unbalanced-to-balanced transformer with two unbalanced RCA inputs and one balanced screw terminal output.Features: • Mix two unbalanced audio signals to mono balanced • Combine stereo into mono with balanced output • Unbalanced to balanced conversion without gain…
Call for availabilityRDL STP-1
Dual Attenuator
The STP-1 is a pair of convenient attenuator pads that can be located at the precise location that attenuation is needed. The low-cost STP-1 eliminates the costly labor of figuring and assembling fixed pads. Multi-turn trimmers in the STP-1 permit precise adjustment of levels without the need to…
Call for availabilityRDL ST-UBA2
Interface Amplifier, Unbalanced to Balanced
The Radio Design Labs STU-BA2 two-channel interface amplifier is used in any application requiring conversion from unbalanced consumer format signals to professional +4 dBu. It may be used to balance audio from CD players, cassette decks, computer sound cards, televisions, and a wide variety of…
Call for availabilityRDL STD-10K
Divider / Combiner
Each STD module is a resistive branching network with RF filtering on each of the four channels. Any channel, A through D, may be either an input or an output. This permits combining stereo signals into mono inputs, splitting mono signals to multiple inputs, and even combining microphones with…
Call for availabilityRDL SF-XMN4
Microphone to Network Interface - Dante
The SF-XMN4 is an interface that converts four XLR microphone inputs to Dante network audio channels. Special software is not required to configure the SF-XMN4. Each XLR input is equipped with a switch to set the gain for dynamic or condenser microphones. A dual-LED VU meter displays the level for…
Call For AvailabilityRDL STA-1
Interface Amplifier
The STA-1 is a dual-channel line-level preamplifier with bridging inputs, adjustable gain or loss, and low-impedance outputs. Each of the two identical circuits is both an electronic line transformer and a line amplifier. Hook up the STA-1 just like a pair of audio transformers with gain. True dc…
Call for availabilityRDL DDS-BN31
Bi-Directional Mic/Line Dante Interface 4 x 4 w/PoE- Stainless Steel
The DDS-BN31 is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs, one stereo Mini-jack line input and one stereo Mini-jack line output on the front panels, plus two line outputs on a rear-panel detachable terminal block. Special software is not required…
Call For Availability