Harman Professional Solutions announced its new JBL Professional One Series 104 compact powered reference monitors, featuring new JBL 4.5-in coaxial drivers and integrated 60-watt Class amplification, shown at CES Show 2019.
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The Class D amplification can drive the One Series speakers to 104db SPL (peak) and includes a front-panel volume control for level adjustments, a front-panel headphone jack that automatically mutes the speakers as well as dual 1/4-in balanced and single 1/8-in unbalanced TRS inputs to accommodate a range of sources.

An optional protective carrying case will also be available.