1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Klipsch KS-525-THX Surround Speakers. Designed for high-performance home theaters, these THX Ultra2 certified speakers deliver exceptional surround sound reproduction. Please read this manual thoroughly before installation and use to ensure optimal performance and safety.
2. Safety Information
- Placement: Ensure speakers are placed on stable surfaces or securely mounted to walls/ceilings to prevent accidental falls.
- Ventilation: Do not block any ventilation openings. Proper airflow is crucial to prevent overheating.
- Moisture: Do not expose the speakers to water, rain, or excessive moisture. These speakers are not water-resistant.
- Power: Connect speakers only to amplifiers or receivers with appropriate power output to avoid damage. The maximum continuous power handling is 100 watts (400 watts peak).
- Cleaning: Disconnect from power before cleaning. Use a dry cloth.
- Servicing: Do not attempt to service the speakers yourself. Refer all servicing to qualified service personnel.
3. Product Overview
The Klipsch KS-525-THX Surround Speakers are engineered for immersive audio experiences. Key features include:
- Two 5.25-inch Cerametallic woofers for smooth response, accuracy, and transparency.
- Dual 5-inch square Tractrix Horn tweeters for enhanced, detailed performances.
- Top-of-the-line internal wiring for optimal signal transfer.

Figure 1: Klipsch KS-525-THX Surround Speakers. The image displays a pair of black speakers, one with its protective grille attached, and the other with the grille removed, showcasing the two 5.25-inch Cerametallic woofers and dual 5-inch square Tractrix Horn tweeters.
4. Setup
4.1 Unpacking
Carefully remove the speakers and any accessories from the packaging. Verify that all included components are present:
- Klipsch KS-525-THX Surround Speaker (Pair)
- Standard Accessories
4.2 Placement
These surround speakers are designed for flexible placement, including wall mount or in-ceiling installations. For optimal surround sound, position the speakers to the sides or slightly behind the main listening area, ensuring they are equidistant from the listener and at an appropriate height for an immersive experience.
4.3 Connections
Connect the speakers to your home theater receiver or amplifier using high-quality speaker wire. The KS-525-THX speakers utilize RCA connectivity. Ensure correct polarity (positive to positive, negative to negative) for each speaker to maintain proper phase and sound imaging.
For a visual guide on Klipsch speaker technologies and connections, refer to the following videos. While these videos may feature other Klipsch Reference Premiere models, the underlying principles of woofer, tweeter, and port design, as well as connection methods, are generally applicable.
Video 1: Klipsch Reference Premiere with Subs Video. This video showcases various Klipsch Reference Premiere speakers and subwoofers, highlighting features such as Linear Travel Suspension (LTS) vented titanium tweeters, Tractrix horns, Cerametallic woofers, distortion-reducing shorting rings, enhanced cabinet bracing, divided cabinet volumes, high-quality wood materials, built-in up-firing speakers for Dolby Atmos, refined Dolby Atmos connections, and Tractrix ports. It demonstrates the application of these technologies in a home theater setting.
Video 2: Klipsch New Reference Premiere Video. This video provides an overview of the Klipsch Reference Premiere series, emphasizing the brand's commitment to high-performance home theater speakers. It illustrates the legendary, horn-loaded, detailed, and dynamic sound associated with Klipsch products, and shows various speaker configurations in different home environments.
5. Operating Instructions
Once properly connected, your Klipsch KS-525-THX speakers will operate as part of your surround sound system. Ensure your receiver or amplifier is set to the appropriate audio output mode (Surround) to fully utilize the capabilities of these speakers. Adjust volume levels on your receiver/amplifier. The speakers are designed to handle a maximum continuous power of 100 watts and a peak power of 400 watts.
6. Maintenance
To maintain the appearance and performance of your Klipsch KS-525-THX speakers:
- Cleaning: Use a soft, dry cloth to wipe down the speaker cabinets. Avoid abrasive cleaners or solvents.
- Grilles: The speaker grilles can be gently removed for cleaning or if you prefer the aesthetic of the exposed drivers. Reattach them carefully.
- Environment: Keep speakers away from direct sunlight, heat sources, and extreme temperatures.
7. Troubleshooting
If you encounter issues with your speakers, consider the following common solutions:
- No Sound: Check all cable connections between the speakers and your receiver/amplifier. Ensure the receiver/amplifier is powered on and set to the correct input. Verify speaker wire polarity.
- Distorted Sound: Reduce the volume on your receiver/amplifier. Check speaker wire connections for any loose strands or shorts. Ensure your amplifier is not underpowered or overdriven.
- Uneven Sound: Check speaker placement and ensure they are symmetrically positioned relative to the listening area. Verify balance settings on your receiver/amplifier.
- Buzzing/Humming: Ensure all audio components are properly grounded. Try connecting components to a different power outlet.
If problems persist, consult the Klipsch support website or contact customer service.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | KS-525-THX |
| Speaker Type | Surround Sound |
| Recommended Uses | Home Theater |
| Compatible Devices | Home Theater, Television |
| Woofer Diameter | 5.25 Inches (Cerametallic) |
| Tweeter Type | Dual 5-inch square Tractrix Horn |
| Surround Sound Channel Configuration | 1.0 |
| Color | Ebony |
| Item Weight | 20 Pounds |
| Product Dimensions | 9 x 14 x 13 inches |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 400 Watts (Peak) |
| Connectivity Technology | RCA |
| Audio Output Mode | Surround |
| Mounting Type | Wall Mount, In-ceiling |
| Is Waterproof | FALSE (Not Water Resistant) |
| Manufacturer | Klipsch |
| Date First Available | September 6, 2007 |
| UPC | 743878021240, 743878014686 |
9. Warranty and Support
Your Klipsch KS-525-THX Surround Speakers come with a Limited Warranty. For specific terms and conditions, please refer to the warranty documentation included with your product or visit the official Klipsch website. For technical support, troubleshooting assistance, or service inquiries, please contact Klipsch customer support through their official channels.





