The AtlasIED TSD-PA20VG is a compact, cost-effective mono amplifier engineered for 4Ω and distributed constant voltage (25V, 70.7V, 100V) speaker systems. Designed for hallways, classrooms, offices, and small zones, the TSD-PA20VG delivers efficient and reliable performance in a space-saving form factor.
Providing 20 watts of output power, the TSD-PA20VG can drive up to 16 ceiling speakers tapped at 1W each, making it an excellent choice for background music, paging, or small presentation systems. Its compact design allows for easy installation behind equipment racks, near projectors, or in other limited-space environments.
For sound masking applications, the TSD-PA20VG can power up to 34 masking speakers tapped at 0.5W each on a 70.7V line, offering flexible system integration. Output gain is conveniently adjustable via a front-panel potentiometer with a removable knob for tamper-resistant installation.
Additional features include signal and peak indicator LEDs for easy monitoring, Phoenix-style I/O connectors for quick wiring, and an integrated cable management system for a clean, professional setup. The unit’s energy-efficient design ensures long-term reliability with minimal heat generation.
The TSD-PA20VG requires the AtlasIED TSD-PS24V2500MA power supply (sold separately). For multi-unit installations, the TSD Power Calculator helps determine the correct total power supply requirements.
AtlasIED TSD-PA20VG Key Features:
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4Ω / 25V / 70.7V / 100V Output for system versatility
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One (1) Balanced Input via removable Phoenix connector
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Up to 20W Output Power for small- to mid-size zones
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Removable Level Control with “set-and-forget” security cover
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Signal & Peak Indicator LEDs for visual monitoring
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Drives up to 16 ceiling speakers (1W taps) or 34 masking speakers (0.5W taps)
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Compact, Energy-Efficient Design for tight installations
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Cable Management System for professional wiring
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Power Supply Sold Separately (requires TSD-PS24V2500MA)
AtlasIED TSD-PA20VG Specifications
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FREQUENCY RESPONSE
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40Hz - 20kHz
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POWER OUTPUT
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20W @ 4Ω, 10W @ 8Ω, 20W @ 25V/70V/100V Loads
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LINE INPUT LEVEL
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500mV (-6dBV) Balanced
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POWER REQUIREMENT
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490mA
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IDLE CURRENT
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50mA
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HEIGHT
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1.5" (3.81 cm)
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WIDTH
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4" (10.16 cm)
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DEPTH
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5.2" (13.2 cm)
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VOLTAGE COMPATIBILITY
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24V
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