CS308 - Car speaker JBL - Free user manual and instructions
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| Brand | JBL |
| Model | CS308 |
| Product type | Car speaker (coaxial) |
| Speaker size | 6 x 8 inches (160 x 200 mm) |
| Configuration | 3-way coaxial |
| Woofer cone material | Injection-molded polypropylene |
| Tweeter type | Balanced dome tweeter |
| Frequency response | 48 Hz – 20 kHz |
| Sensitivity | 91 dB @ 1W/1m |
| Impedance | 4 ohms |
| Peak power handling | 300 watts |
| RMS power handling | 80 watts |
| Mounting depth | 2.1 inches (53 mm) |
| Cut-out dimensions | 5.7 x 7.1 inches (145 x 180 mm) |
| Weight per speaker | 1.2 kg (2.65 lbs) |
| Magnet material | Ferrite |
| Rubber surround | Yes |
| Included accessories | Mounting hardware, grilles, wire |
| Recommended power range | 7 – 80 W RMS |
| Installation advice | Use high-quality speaker wire |
| Maintenance | Clean grilles with soft, dry cloth |
| Repairability | Spare parts available through service center |
| Warranty | 2-year JBL warranty |
Frequently Asked Questions - CS308 JBL
What are the main specifications of the JBL CS308 car speaker?
The JBL CS308 is a 3-way 6x8-inch car speaker with a peak power handling of 300 watts and an RMS power handling of 80 watts. It has a sensitivity of 91 dB and a frequency response of 48 Hz to 20 kHz.
Is the JBL CS308 speaker compatible with my vehicle?
The JBL CS308 is designed as a 6x8 inch coaxial speaker with a standard 4-ohm impedance. It can fit into most car models that offer a 6x8 speaker opening, but we recommend checking your car's mounting depth and cut-out size before installation.
What is the recommended amount of power for the CS308?
The CS308 operates best with an amplifier delivering 7 to 80 watts RMS per channel. Peak power handling is 300 watts, which is the maximum temporary capacity during dynamic peaks.
How do I install the JBL CS308 in my car door?
Installation requires connecting the speaker wires to the positive and negative terminals on the speaker, mounting the speaker into the 6x8 opening with the included screws, and attaching the grille. Check that the speaker does not interfere with window mechanism or door panel.
Can I use the factory stereo with the CS308?
Yes, the 4-ohm impedance and high sensitivity (91 dB) make the CS308 compatible with most factory stereos. However, adding an external amplifier will provide better dynamic quality and volume.
What is the frequency response of the JBL CS308?
The frequency response is 48 Hz to 20 kHz, which covers the entire audible range and provides deep bass and clear high-frequency details thanks to the balanced dome tweeter.
How do I clean and maintain the CS308 speakers?
Use a soft, dry cloth to clean the grilles and outer frame. Do not use water, solvents, or compressed air, as they may damage the polypropylene cone or the tweeter. Periodically check the screws for tightness.
Does the CS308 include the grilles and mounting hardware?
Yes, the package includes mounting hardware, grilles, and speaker wire for a complete installation. All accessories are listed in the owner's manual.
What should I do if one speaker produces no sound?
First, check the speaker wire connections to ensure they are secure and referenced to the correct polarity. If the problem persists, test the speaker with a multimeter or connect it to another channel to isolate the issue.
What is the warranty on the JBL CS308?
JBL offers a 2-year warranty against manufacturing defects. If any issue arises under normal use, contact an authorized JBL service center with proof of purchase for repair or replacement.
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USER MANUAL CS308 JBL
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Product information
Brand : JBL
Model : CS308
Category : Car speaker