Description
The Klipsch RSA-500 is a dedicated amplifier engineered to power passive subwoofers with commanding authority. Delivering 300 watts continuous at 8 Ω or 500 watts at 4 Ω, it produces articulate, distortion-free bass across home audio and theater applications. The unit features a precision low-pass crossover for seamless integration with your main speakers, plus a dedicated EQ switch optimized for Klipsch subwoofer models. Dual input options—line-level and speaker-level—accommodate various system configurations, while intelligent auto on/off sensing eliminates manual switching. Its solid construction, aluminum front panel, and included rack ears reflect professional-grade build quality suitable for custom installations. The RSA-500 transforms passive subwoofers into a commanding low-frequency foundation for any serious audio system.
Power & Performance
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Rated Power Output:
• 300 W @ 8 Ω (one passive subwoofer)
• 500 W @ 4 Ω (two passive subwoofers) -
Amplifier Type: High-efficiency BASH (Bridged Amplifier Switching Hybrid) design (solid-state)
🎚️ Crossover & Controls
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Variable Low-Pass Crossover: Continuously adjustable range ~40 Hz to 120 Hz
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EQ Switch: Tailored settings for different Klipsch subwoofers
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Phase Switch: 0° / 180° selectable for integration with main speakers
🔌 Inputs & Outputs
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Line-Level Inputs: Left/Right RCA jacks
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Speaker-Level Inputs: Binding posts for high-level connections
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LFE Input: Single unfiltered RCA jack bypassing the crossover (for receivers with bass management)
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Line Outputs: RCA jacks for chaining to additional gear or a second amplifier
🔌 Power & Modes
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Auto On/Off: Selectable signal-sensing or voltage-triggered circuit
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Manual & Trigger Modes: Adjustable power control for convenience
📏 Physical
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Rack Ears Included: Yes (fits standard 19” rack)
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Finish: Black anodized aluminum
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Typical Frequency Response: ~20 Hz – 1 kHz ±3 dB (when used with appropriate subwoofer)
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