Troubleshooting

22376 JBL EON15-GA Guide 9/17/02 12:30 PM Page 15



Symptom	Likely Cause	What to do

No sound	Speaker not connected to active	Verify that speaker is connected
	AC power	and that the circuit is on

	Power not switched on	Switch on power and verify that
		power LED is on

No sound, speaker is connected	Speaker power cable is faulty or	• Re-seat the power cable at
to working AC power but won’t	improperly connected.	both ends.
come on.		• Substitute a known-good
		power cable

	Blown fuse	• There are no user-serviceable
		fuses in the EON15 G2.
		Take your speaker to a
		competent servicer.

No sound. Speaker comes on.	Signal source (mixer, instrument,	• Check VU meters on the
	etc.) is not sending.	source mixer
		• Verify that the tape or CD is
		playing.
		• Use headphones to verify
		that the instrument is actually
		sending an audio signal

	Faulty cables and connections	• Disconnect and re-seat signal
		cables.
		• Replace suspected cable with
		a known-good cable

No sound with microphone	Microphone requires phantom	The EON15 G2 does not supply
connected directly to the MIC/	power	phantom power. Switch to a
LINE 1 input.		dynamic microphone, use a
		battery in the microphone (if
		possible), use an external
		phantom power supply.

Signal sounds distorted and very	Excessive input signal, trying to	• Reduce the output level of
loud, PEAK light is lit most of	exceed the capabilities of the	the source.
the time.	speakers	• Turn down the level controls
		on the speaker.
		• Use additional EON speakers.
Signal sounds distorted even at	Mixer or other source is	Review the Owner’s Manual for
moderate volumes, PEAK light	overdriven	your mixer and adjust controls
is not lit.		as needed.
		• Input sensitivity (gain)
		• Channel faders
		• Master faders
		Once this is done, review the
		instructions in the Quick Start
		section of this guide.

Lots of hiss in the sound, the	Improper grain structure	• Make sure that the
mixer controls are at very low		MIC/LINE switch is in the
settings.		LINE (disengaged) position.
		• Reduce the level settings
		at speaker.
		Review the Owner’s Manual for
		your mixer and adjust controls
		as needed.	15
		• Input sensitivity (gain)
		• Channel faders
		• Master faders

EON15 specifications

The JBL EON15 is a powerful and versatile portable PA system that delivers high-quality sound and impressive performance for a variety of applications. Designed for musicians, DJs, and public speakers, it is built to provide exceptional audio clarity and reliability. One of the standout features of the EON15 is its 15-inch woofer, which produces deep bass and a balanced midrange response. This woofer is complemented by a 1-inch polymer diaphragm compression driver that ensures clear, articulate high frequencies, making the EON15 suitable for both music playback and speech.

The EON15 is equipped with JBL’s advanced technology, including the patented speaker design that incorporates a built-in digital signal processor (DSP). This DSP enhances sound quality through features such as EQ, compression, and limiting, ensuring that the output is both powerful and distortion-free, even at high volumes. The system is designed for easy connectivity, featuring both XLR and TRS inputs, allowing users to connect microphones, instruments, or audio devices seamlessly.

Wireless connectivity is another significant characteristic of the EON15, especially with the addition of Bluetooth capabilities in newer models. This allows users to stream music directly from their smartphones, tablets, or laptops, adding to its convenience for live events and gatherings. The unit is also lightweight and portable, with a molded enclosure that prevents damage and provides protection during transport, making it an ideal choice for mobile applications.

The EON15 is designed for versatility, offering a range of applications from small gigs to larger events. It has a built-in stand mount, making it easy to set up and adjust for optimal sound dispersion. Its rugged construction ensures durability, while the integrated handles provide ease of transport.

In conclusion, the JBL EON15 is an excellent choice for anyone in need of a professional sound reinforcement system. With its powerful sound output, advanced technology, and user-friendly features, it stands out in the crowded market of portable PA systems, making it a reliable companion for performers and event organizers alike. Whether you are setting up for a small gathering or a larger performance, the JBL EON15 promises to deliver quality sound and dependable performance.