The M6-880X-S is JL Audio's 8.8-inch marine coaxial speaker, sold as a pair for cockpit and flybridge installs. Continuous power handling is 125 watts RMS per speaker.
Published specifications list 90.5 dB sensitivity at 2.83 volts per metre, a frequency response of 38 Hz to 20 kHz, and 4-ohm impedance. The tweeter is a 1.25-inch silk dome.
The marine build uses synthetic polymer baskets with UV-resistant grilles and surrounds, tested against salt fog. JL Audio covers marine speakers with a 3-year warranty.
Product imagery courtesy of JL Audio.
Specifications
Specifications as published by the maker or the cited specification sources. Verify current details with the maker or a dealer before acting on them.
| Size | 8.8 in marine coaxial, pair |
|---|---|
| Power handling | 125 W RMS continuous |
| Sensitivity | 90.5 dB at 2.83 V / 1 m |
| Frequency response | 38 Hz - 20 kHz |
| Impedance | 4 ohm |
| Tweeter | 1.25 in silk dome |
| Warranty | 3 years |



