1. Product Overview
The Skar Audio TX525 is a 5.25-inch, high-performance, 2-way coaxial speaker system designed for car audio enthusiasts. These speakers deliver clear and powerful sound across a wide frequency range, making them suitable for various vehicle audio setups. Each TX525 speaker features a 1.25-inch high-temperature copper voice coil and a premium ferrite magnet for robust performance. The mid-range woofer utilizes a glass fiber cone with a TPE surround, ensuring responsive audio reproduction. High frequencies are handled by a 1-inch high-fidelity silk dome tweeter. This package includes two TX525 speakers, sold as a pair, with a 4 Ohm impedance.

Image: Two Skar Audio TX525 Elite 5.25-inch coaxial speakers, angled to show the front and side profiles.
2. What's in the Box
Upon unpacking your Skar Audio TX525 Elite Coaxial Speakers, please ensure all components are present and in good condition. The package should contain:
- 2 x Skar Audio TX525 5.25-inch Coaxial Speakers
3. Key Features
The Skar Audio TX525 Elite Coaxial Speakers offer a range of features designed for optimal audio performance:
- High-Performance 2-Way Design: Integrates a woofer and tweeter for a balanced sound profile.
- Peak Power Handling: 160 Watts per pair (80 Watts each) for robust sound output.
- Efficient Voice Coil: Features a 1.25-inch high-temperature copper voice coil for durability and power handling.
- Durable Cone Material: Glass fiber cone with TPE surround for responsive and accurate mid-range reproduction.
- Wide Frequency Response: Delivers audio across 50 Hz - 21,000 Hz for comprehensive sound.
- Silk Dome Tweeter: 1-inch high-fidelity silk dome tweeter for crisp and clear high frequencies.
- 4 Ohm Impedance: Standard impedance for compatibility with most car audio amplifiers.
4. Setup and Installation
Proper installation is crucial for optimal performance and longevity of your speakers. If you are unsure about any steps, it is recommended to seek professional installation.
4.1 Safety Precautions
- Always disconnect the vehicle's battery before beginning any electrical work.
- Wear appropriate safety gear, including eye protection.
- Ensure all wiring is properly insulated and secured to prevent short circuits.
- Do not overtighten mounting screws, as this can damage the speaker frame.
4.2 Recommended Tools
- Wire strippers/crimpers
- Screwdriver set (Phillips and flathead)
- Drill (if new mounting holes are required)
- Multimeter (for checking polarity and impedance)
- Electrical tape or heat shrink tubing
- Speaker wire (appropriate gauge for your system)
4.3 Mounting the Speakers
- Choose Location: Identify suitable mounting locations in your vehicle (e.g., door panels, rear deck). Ensure there is sufficient depth and clearance for the speaker magnet.
- Prepare Opening: If replacing existing speakers, remove the old units. If creating new openings, carefully cut the appropriate size hole using a template (not included, refer to speaker dimensions).
- Secure Speaker: Place the speaker into the opening. Align the mounting holes and secure the speaker using the provided screws. Do not overtighten.

Image: Front view of a single Skar Audio TX525 Elite 5.25-inch coaxial speaker, highlighting the woofer and tweeter.
4.4 Wiring the Speakers
- Identify Terminals: The speakers have positive (+) and negative (-) terminals. The positive terminal is typically larger or marked.
- Connect Wiring: Connect the positive (+) speaker wire from your amplifier to the positive (+) terminal on the speaker. Connect the negative (-) speaker wire from your amplifier to the negative (-) terminal on the speaker.
- Ensure Polarity: Maintain correct polarity for all speakers in your system. Incorrect polarity can lead to poor sound quality and reduced bass response.
- Secure Connections: Ensure all connections are tight and free from frayed wires. Use electrical tape or heat shrink tubing to insulate exposed connections.

Image: Side view of a Skar Audio TX525 Elite 5.25-inch coaxial speaker, detailing the wiring terminals and magnet structure.
5. Operating Instructions
Once installed, your Skar Audio TX525 speakers are ready for use. Follow these guidelines for optimal performance:
- Power Matching: Ensure your amplifier's RMS power output per channel is within the recommended range for the TX525 speakers (80 Watts RMS per speaker). Overpowering can cause damage.
- Volume Control: Gradually increase the volume to avoid sudden peaks that could distort the sound or damage the speakers.
- Equalization: Adjust your head unit or amplifier's equalizer settings to fine-tune the sound to your preference. Avoid excessive boosting of bass or treble, which can lead to distortion.
- Crossover Settings: If using an external amplifier with crossover capabilities, set the high-pass filter (HPF) to protect the speakers from low frequencies they are not designed to reproduce effectively. A common starting point for 5.25-inch speakers is around 80-100 Hz.

Image: Skar Audio TX525 Elite 5.25-inch coaxial speaker with protective grille installed.
6. Maintenance
The Skar Audio TX525 speakers are designed for durability and require minimal maintenance. Following these simple steps can help ensure their longevity:
- Cleaning: Use a soft, dry cloth to gently wipe down the speaker grilles and surrounds. Avoid using harsh chemicals or abrasive cleaners, which can damage the materials.
- Inspection: Periodically check the speaker cones and surrounds for any signs of damage, such as tears or cracks. Also, inspect wiring connections to ensure they remain secure.
- Environmental Factors: While designed for car environments, avoid exposing speakers to extreme moisture or direct sunlight for prolonged periods, as this can degrade materials over time.
7. Troubleshooting
If you encounter issues with your Skar Audio TX525 speakers, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound from Speaker |
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| Distorted Sound |
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| Weak or No Bass |
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8. Technical Specifications
Below are the detailed technical specifications for the Skar Audio TX525 Elite 5.25-inch Coaxial Speakers:
| Specification | Value |
|---|---|
| Model Number | TX525 |
| Speaker Size | 5.25 inches |
| Speaker Type | 2-Way Coaxial |
| RMS Power (Pair) | 80 Watts |
| Peak Power (Pair) | 160 Watts |
| Impedance | 4 Ohm |
| Frequency Response | 50 Hz - 21 kHz |
| Sensitivity | 88 dB |
| Voice Coil Diameter | 1.25 inches (Copper) |
| Woofer Cone Material | Glass Fiber |
| Woofer Surround Material | TPE |
| Tweeter Diameter | 1 inch |
| Tweeter Type | Silk Dome |
| Connectivity Technology | Coaxial |
| Item Weight | 4.6 pounds (for the pair) |
| UPC | 767408280693 |
9. Warranty Information
Skar Audio products are designed and manufactured to high-quality standards. For specific warranty terms and conditions, including duration and coverage, please refer to the official Skar Audio website or the warranty card included with your purchase. Keep your proof of purchase for any warranty claims.
10. Customer Support
If you require further assistance, have questions about installation, or need technical support, please contact Skar Audio customer service. You can typically find contact information, FAQs, and additional resources on the official Skar Audio website:
Skar Audio Official Website: www.skaraudio.com
Please have your product model number (TX525) and proof of purchase ready when contacting support.