The rear of the unit offers two combo XLR-1/4" inputs, one 1/4" Hi-Z input for instruments, and a stereo 3.5mm TRS AUX input for connecting portable playback devices. There are dedicated level controls for each of the channels and channel four also offers Bluetooth audio streaming. Phantom power is offered on channels one and two for connecting high-quality condenser microphones. A one-touch ducking feature automatically lowers music volume when speech input is detected, ensuring every word is heard clearly. The unit also provides a 1/4" pass through output for connecting additional EON ONE Compacts, while a 3.5mm headphone output allows for private monitoring for practice sessions and managing presets.
The internal lithium-ion battery can be charged from within the speaker in 2.5 hours with no signal and provides a playback time of up to 6 hours at full volume or 12 hours at lower volumes. The battery is replaceable, allowing you to use an external optional charger and battery for continuous operation.
The JBL Compact Connect app allows for quick setup by selecting and controlling effects and presets right from a phone or tablet. Broadcast Bluetooth provides the ability to sync and control up to four EON ONE Compact units from one single source for music playback. The control app offers a variety of presets for different applications, allowing the speaker to be used as a monitor or in vertical orientations. Effects include an 8-band EQ, reverb, delay, and chorus for polishing your sound. The JBL EON ONE ships with a rechargeable battery and a power cord.