Introduction
Thank you for choosing the 5 CORE TW BLT 150 CH Car Audio Tweeters. This manual provides essential information for the proper installation, operation, and maintenance of your new tweeters. Please read this manual thoroughly before installation to ensure optimal performance and safety.
Safety Information
Always prioritize safety during installation and operation. Improper installation can lead to damage to the product, vehicle, or personal injury.
- Disconnect the vehicle's battery before beginning any electrical work.
- Ensure all wiring is properly insulated and secured to prevent short circuits.
- Do not mount speakers in locations that obstruct the driver's view or interfere with vehicle safety features.
- Consult a professional car audio installer if you are unsure about any part of the installation process.
- Avoid prolonged exposure to high volume levels, which can cause hearing damage.
Package Contents
Verify that all items are present in the package:
- 2x 5 CORE TW BLT 150 CH Tweeter Speakers
Note: Additional wiring or mounting hardware may be required and is sold separately.
Features
The 5 CORE TW BLT 150 CH Tweeters are designed to enhance your car audio experience with clear and detailed high-frequency sound.
- High Performance: Combined 600W PMPO and 60W RMS power for clear sound without distortion.
- Built-in Crossover: Filters bass frequencies, ensuring the tweeter receives the correct frequency range.
- Wide Frequency Range: 2kHz-20kHz range for detailed and natural treble.
- Low Impedance: 4 Ohm impedance for compatibility with many car amplifiers.
- High Sensitivity: 106dB sensitivity improves efficiency.
- Durable Construction: Features a Titanium Diaphragm and Aluminum frame for longevity.
Setup and Installation
Follow these general steps for installing your 5 CORE tweeters. Specific vehicle requirements may vary.
1. Planning and Preparation
- Choose Mounting Location: Select a location in your vehicle that allows for optimal sound dispersion and does not obstruct visibility or safety features. Common locations include dashboard corners, A-pillars, or door panels.
- Check Clearance: Ensure there is sufficient depth and width behind the mounting surface for the tweeter body.
- Gather Tools: You will likely need wire strippers, crimpers, screwdrivers, a drill, and possibly a hole saw.
- Disconnect Battery: Always disconnect the negative terminal of your vehicle's battery before starting any electrical work.
2. Wiring
The 5 CORE TW BLT 150 CH tweeters feature a built-in crossover (bass blocking capacitor) to protect them from low frequencies. Connect them directly to your amplifier's high-pass filtered output or to the high-frequency output of your existing car audio system.
- Identify Wires: Determine the positive (+) and negative (-) speaker wires from your amplifier or head unit.
- Connect Tweeter: Connect the positive terminal of the tweeter to the positive speaker wire and the negative terminal to the negative speaker wire. Ensure a secure connection, preferably by soldering or using crimp connectors.
- Secure Wiring: Route all wiring safely, away from moving parts, sharp edges, and heat sources. Use zip ties or electrical tape to secure the wires.


3. Mounting
- Prepare Mounting Surface: If drilling new holes, use appropriate tools and ensure the hole size matches the tweeter's dimensions.
- Secure Tweeter: Mount the tweeter securely using the provided screws or appropriate mounting hardware. Ensure it is firmly in place to prevent vibrations.


4. Final Steps
- Reconnect Battery: Once all connections are secure and mounting is complete, reconnect the negative terminal of your vehicle's battery.
- Test System: Turn on your car audio system and test the tweeters at a low volume. Gradually increase the volume to ensure proper operation and sound quality.
Operating Instructions
The 5 CORE TW BLT 150 CH tweeters operate as part of your car's existing audio system. Once installed, they will automatically reproduce high-frequency sounds from your audio source.
- Audio Source: Play audio from your car's head unit, radio, or connected devices.
- Volume Control: Adjust the overall system volume through your car's head unit.
- Tone Control: Use your car audio system's equalizer or tone controls (treble, bass) to fine-tune the sound to your preference. Avoid excessive treble boost, which can lead to harsh sound or tweeter damage.
Maintenance
Proper care will ensure the longevity and performance of your tweeters.
- Cleaning: Gently wipe the tweeter's surface with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Inspection: Periodically check wiring connections for looseness or corrosion.
- Avoid Overpowering: While these tweeters handle significant power, avoid continuously playing audio at extremely high, distorted volumes, which can damage the voice coil.
Troubleshooting
If you encounter issues with your tweeters, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from tweeters | Loose or incorrect wiring, amplifier off, head unit settings. | Check all wiring connections. Ensure amplifier is powered on and head unit output is active. |
| Distorted sound | Overpowering, incorrect gain settings, damaged tweeter. | Reduce volume. Check amplifier gain settings. If distortion persists at low volumes, the tweeter may be damaged. |
| Weak or muffled high frequencies | Incorrect tone settings, poor mounting location, wiring issues. | Adjust treble settings on your head unit. Ensure tweeters are not obstructed. Verify wiring integrity. |
If the problem persists after trying these solutions, contact 5 CORE customer support or a qualified car audio technician.
Specifications
| Feature | Specification |
|---|---|
| Model Name | TW BLT 150 CH PAIR |
| Speaker Type | Tweeter |
| Speaker Size | 3.5 Inches |
| Peak Power (Combined) | 600W |
| RMS Power (Combined) | 60W |
| Impedance | 4 Ohms |
| Frequency Response | 2kHz - 20kHz |
| Signal-to-Noise Ratio (Sensitivity) | 106 dB |
| Material | Aluminum and Titanium |
| Color | Chrome |
| Product Dimensions | 3.5"D x 2.5"W x 7.5"H |
| Item Weight | 3.15 Pounds (for the pair) |
| Connectivity Technology | Wired |
| Included Components | 2x Tweeters speakers |
Official Product Video
Watch this official product video for an overview of the 5 CORE TW BLT 150 CH Tweeters and their features.
Warranty and Support
The 5 CORE TW BLT 150 CH Tweeters come with a 1 Month Warranty from the date of purchase. This warranty covers manufacturing defects under normal use.
For technical support, warranty claims, or further assistance, please contact 5 CORE customer service through their official website or the retailer where the product was purchased.
You can visit the 5 CORE Store on Amazon for more information and products.







