The RDL D-CIJ3 is a passive line-level audio input module designed for installations requiring the mixing of two unbalanced audio sources into a single mono output. Ideal for professional audio systems, the D-CIJ3 provides hum-free conversion of consumer-level stereo signals to a balanced or unbalanced mono line output, ensuring reliable performance in studios, commercial sound systems, and installation environments.
RDL D-CIJ3 Key Features
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Stereo inputs via RCA phono jacks or stereo mini-jack
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Passive conversion: unbalanced stereo to balanced mono without gain
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Transformer-isolated inputs for effective hum rejection
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Mono line-level output on rear-panel detachable terminal block
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Compatible with 10 kΩ or higher input impedance equipment
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Compact, rugged design for portable or fixed installations
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Available in white/gray (D-CIJ3) or stainless steel (DS-CIJ3)
Applications
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Mix consumer-level audio sources such as CD players, computers, or media players into professional sound systems
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Convert stereo outputs to a single balanced mono input for amplifiers or mixers
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Ideal for conference rooms, classrooms, retail installations, and AV systems
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Passive design ensures no power supply is needed, simplifying installation
Benefits
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Reliable hum-free audio mixing in professional environments
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Simple, compact solution for converting stereo signals to mono
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Durable construction for both portable and permanent installations
