Klipsch RSA-500 Subwoofer Amplifier at Vinyl Sound Toronto Canada

The RSA-500 is a BASH Digital Hybrid subwoofer amplifier from Klipsch (Indianapolis, USA), available at Vinyl Sound in Toronto, Canada. Engineered as the dedicated outboard amplifier for Klipsch passive in-wall and outdoor subwoofer systems, the RSA-500 is primarily matched to the RW-5802 and RW-5101-C in-wall subwoofers and includes custom EQ settings for the AW-800-SW outdoor subwoofer. Built around BASH Hybrid amplifier topology with a rack-ready black anodized brushed aluminum chassis, it delivers 500 watts continuous into 4 ohms with 875 watts dynamic power into 8 ohms, flexible line and speaker level inputs, selectable EQ presets, and both signal-sensing and voltage trigger auto-on/off control for seamless custom installation.

BASH Digital Hybrid Amplifier Technology

The RSA-500 is built around BASH (Bridged Amplifier Switching Hybrid) technology, a design approach that combines the efficiency of Class D switching amplification with the audio fidelity characteristics of a linear output stage. BASH topology allows the amplifier to track the audio signal dynamically, modulating the power supply voltage in real time to reduce wasted heat while maintaining clean, low-distortion output across the full bass frequency range. The result is an FTC rated 300 watts continuous into 8 ohms or 500 watts continuous into 4 ohms at less than 1.5% THD from 20Hz to 1kHz, with dynamic power headroom reaching 875 watts into 8 ohms for transient-rich bass content. This makes the RSA-500 well suited to sustained, high-demand custom installation environments where reliability and cool operation are as important as raw power.

Multi-Subwoofer EQ, Flexible Inputs, and Installer-Friendly Control Layout

A selectable rear-panel EQ switch gives the RSA-500 the ability to optimize its frequency response for specific Klipsch subwoofer enclosures, including dedicated presets for the RW-5802 in-wall subwoofer and the AW-800-SW outdoor subwoofer. Inputs include two gold-plated RCA phono jacks, a single LFE RCA input, and two gold-plated speaker-level binding posts, covering both line-level and high-level source connections for compatibility with virtually any AV receiver or preamplifier. A continuously variable low-pass crossover from 40Hz to 120Hz and a switchable 0/180 degree phase control allow precise bass integration with main speakers. Volume and crossover controls sit on the front panel for quick access during setup, while the phase switch, EQ selector, trigger input, power mode selector, and main power switch are grouped on the rear panel to prevent inadvertent adjustment during normal operation. A rear-accessible fuse simplifies field servicing, and the detachable IEC power cord allows the unit to be fully removed from a rack without disconnecting wiring.

Key Features

• BASH Digital Hybrid Amplifier: Combines switching efficiency with linear output stage fidelity, enabling cool, reliable operation at sustained high power levels in custom installation environments.
• 500W Continuous into 4 Ohms (FTC Rated): Delivers 300W into 8 ohms or 500W into 4 ohms at less than 1.5% THD, with 875W dynamic power into 8 ohms for transient headroom on demanding bass content.
• Dual Subwoofer Support: Drives one or two Klipsch passive subwoofer enclosures, with the 4-ohm load achieved when two subwoofer modules are connected in parallel.
• Selectable EQ Presets: Rear-panel EQ switch optimizes frequency response for specific Klipsch subwoofer models including the RW-5802 in-wall and AW-800-SW outdoor enclosures.
• Line and Speaker Level Inputs: Two gold-plated RCA phono inputs, a dedicated LFE RCA input, and two gold-plated speaker-level binding posts accept connections from any AV receiver, preamplifier, or integrated amplifier.
• Unfiltered RCA Pass-Through Outputs: Two gold-plated unfiltered RCA phono outputs and a single LFE output pass the signal downstream for system expansion or daisy-chaining.
• Variable Low-Pass Crossover (40-120Hz): Continuously adjustable crossover allows precise bass handoff to the subwoofer, matched to the main speaker system in use.
• 0/180 Degree Phase Switch: Rear-panel phase control corrects bass alignment between the subwoofer and main speakers across the crossover transition region.
• Signal-Sensing and Voltage Trigger Auto-On/Off: Selectable power mode activates the amplifier within 2 seconds of detecting an audio signal or a low-voltage trigger input, and powers down after 15 minutes of silence for integration with control systems.
• Rack-Ready 2U Form Factor: Ships with rack ears for secure mounting in any standard 19-inch equipment rack, with dimensions of 17 x 3.5 x 12.6 inches (W x H x D).
• Installer-Friendly Rear Panel Controls: Phase, EQ, trigger, power mode, and main power controls are located on the rear panel to prevent end-user tampering, with a rear-accessible fuse for quick field replacement.
• Detachable IEC Power Cord: Allows complete amplifier removal from a rack installation without disconnecting speaker or signal wiring.
• Black Anodized Brushed Aluminum Finish: Professional chassis aesthetic compatible with standard AV rack systems and custom home theater cabinetry.

Technical Specifications

Connections at a Glance

• 2 x Gold-plated RCA phono line inputs
• 1 x LFE RCA line input
• 2 x Gold-plated speaker-level binding post inputs
• 2 x Gold-plated unfiltered RCA phono outputs
• 1 x LFE RCA output
• 1 x Low-voltage trigger input
• Front panel: volume control, variable crossover control
• Rear panel: phase switch (0/180), EQ selector, power mode selector, main power switch
• Detachable IEC power cord
• Rack ears included (fits standard 19-inch rack)

Frequently Asked Questions

What is the Klipsch RSA-500?

The Klipsch RSA-500 is a BASH Digital Hybrid mono subwoofer amplifier rated at 500 watts continuous into 4 ohms, designed to power one or two Klipsch passive in-wall or outdoor subwoofer enclosures including the RW-5802, RW-5101-C, and AW-800-SW. It features selectable EQ presets for each compatible subwoofer model, both line and speaker level inputs, a variable 40-120Hz low-pass crossover, 0/180 degree phase switching, and a rack-ready 2U chassis with included rack ears for professional custom installation.

How does the Klipsch RSA-500 compare to the Sonance Sub Amplifier or the Dayton Audio SA1000?

The Klipsch RSA-500 is purpose-engineered to match specific Klipsch passive in-wall and outdoor subwoofer enclosures, with dedicated EQ presets that optimize the amplifier's frequency response for the RW-5802 and AW-800-SW models, a level of subwoofer-specific tuning not available in general-purpose outboard amplifiers like the Sonance Sub Amplifier or the Dayton Audio SA1000. The RSA-500 also supports both signal-sensing and voltage trigger auto-on/off for control system integration, and accepts speaker-level inputs alongside standard line-level and LFE connections, making it more versatile in custom installation scenarios than the Dayton SA1000's line-level-only input configuration.

Can the Klipsch RSA-500 power two subwoofers at the same time?

Yes, the RSA-500 is designed to drive one or two compatible Klipsch passive subwoofer enclosures simultaneously. With a single subwoofer module connected, the amplifier presents an 8-ohm load and delivers 300 watts continuous. When two subwoofer modules are connected in parallel, the load drops to 4 ohms and the amplifier delivers its full 500 watts continuous FTC rated output, with dynamic power peaks of 875 watts available for transient bass material.

What is BASH amplifier technology and why does it matter for a subwoofer amplifier?

BASH stands for Bridged Amplifier Switching Hybrid, a design that combines a Class D switching power supply stage with a linear output stage. The switching supply modulates its voltage dynamically to track the audio signal, which eliminates most of the wasted heat that conventional Class AB amplifiers generate at idle. For a subwoofer amplifier installed inside a rack or enclosed AV cabinet, this efficiency advantage is significant because it reduces heat buildup in confined spaces, improves long-term component reliability, and allows the RSA-500 to sustain high output levels continuously without thermal throttling or shutdown.

Does the Klipsch RSA-500 work with a control system or smart home setup?

Yes, the RSA-500 includes a rear-panel low-voltage trigger input that enables it to be switched on and off by a control system such as Control4, Crestron, Savant, or any AV receiver that provides a 12V trigger output. In addition to trigger-based control, the amplifier features a selectable signal-sensing auto-on/off mode that activates the unit within 2 seconds of detecting an audio signal and powers it down after 15 minutes of silence, offering a simple automatic solution when a control system trigger is not available.

Where can I buy the Klipsch RSA-500 in Toronto or Canada?

The Klipsch RSA-500 is available at Vinyl Sound, an authorized Klipsch dealer located in Toronto, Canada. Vinyl Sound specializes in high-performance home theater and custom installation audio and can provide guidance on pairing the RSA-500 with Klipsch in-wall or outdoor subwoofer systems for new builds, renovations, and whole-home audio projects.

What EQ settings does the RSA-500 include and how do I choose the right one?

The RSA-500 has a rear-panel EQ selector switch with presets optimized for specific Klipsch passive subwoofer enclosures. The dedicated RW-5802 preset shapes the amplifier's low-frequency response to match the tuning characteristics of that in-wall subwoofer module, while a separate setting accommodates the AW-800-SW outdoor subwoofer. Selecting the correct EQ preset ensures that the amplifier's output aligns with the specific driver and cabinet characteristics of the subwoofer in use, delivering the most accurate and balanced bass response in the installation.

Can the RSA-500 be used with subwoofers other than Klipsch models?

The RSA-500 is specified and rated exclusively for use with compatible Klipsch passive subwoofer enclosures including the RW-5802, RW-5101-C, and AW-800-SW. The EQ presets are calibrated to the specific impedance and sensitivity characteristics of these Klipsch models, and operating the amplifier with non-compatible enclosures falls outside its specified parameters. Using the RSA-500 with other passive subwoofers may produce unpredictable results and could void the warranty.