- Exceptional Audio Quality for Ultra-Compact Size
- Compressor/Limiter Prevents Clipping
- Balanced +4 dBu Input on the Rear Panel
- Exceptional Audio Quality for Ultra-Compact Size
- Compressor/Limiter Prevents Clipping
- Balanced +4 dBu Input on the Rear Panel
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Become an ADI Customer- Exceptional Audio Quality for Ultra-Compact Size
- Compressor/Limiter Prevents Clipping
- Balanced +4 dBu Input on the Rear Panel

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Product Overview
The D-PSP1 is a white, compact active loudspeaker that delivers rich, detailed sound in Decora-compatible wall or chassis mounts. The input accepts either a -10 dBV unbalanced or a +4 dBu balanced signal on the rear-panel detachable terminal block. Amplification is provided by a high-efficiency Class D power stage with audio filtering tailored for crisp, pleasant audio clarity. The high-efficiency Class D output stage produces negligible heat for all levels of expected voice or music modulation. The amplified output level is controlled by a front-panel volume control. The -PSP1 includes an analog compressor/limiter that makes higher sound output levels possible without clipping.
The driver is constructed of materials found in premium larger speakers. The unique steel enclosure provides full baffling in a tightly sealed rigid structure. This produces sonic presence within an extended frequency range expected from larger speakers. Internal filtering rolls off out-of-band frequencies to reduce distortion and increase peak power capability. Dispersion covers a spherical area of nearly 180 degrees with the speaker mounted in a wall.
Main Features
- Exceptional Audio Quality for Ultra-Compact Size
- Compressor/Limiter Prevents Clipping
- Balanced +4 dBu Input on the Rear Panel
General Information
Specifications
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ADI Part Number RL-DPS1 Brand Name Radio Design Labs Manufacturer Radio Design Labs, Inc Manufacturer Part Number D-PSP1 Product Model D-PSP1 Product Name Decora-Style Active Loudspeaker Product Type Loudspeaker
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Maximum Frequency Response 20 kHz Minimum Frequency Response 150Hz
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Color White Depth 2.64" Height 4.1" Package Type Box Width 1.7"
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Country of Origin US Environmental Certification WEEE Environmentally Friendly Yes