A pair of PreSonus Eris E4.5 High-Definition 2-Way Active Studio Monitors.
They feature a 4.5-inch Kevlar low-frequency transducer and a 1-inch silk-dome high-frequency transducer.
The monitors have 50-Watt (25W per speaker) Class A/B amplification. Connectivity options include balanced \(\frac{1}{4}\)" TRS and unbalanced RCA inputs, along with a front-panel 3.5mm auxiliary input and headphone jack.
Professional-grade acoustic tuning controls (High/Mid-frequency level, Low Cutoff, Acoustic Space switches) are provided to optimize performance for different environments.
They provide a maximum continuous SPL of 100 dB.
Versatile connectivity.
PreSonus® Eris® E4.5 media reference monitors connect to virtually any line-level audio source, including mobile devices, thanks to rear-panel ¼-inch TRS and RCA inputs and a front-panel ⅛-inch stereo line input. You also get a convenient (and loud!) front-panel, ⅛-inch, stereo headphone jack; connecting headphones automatically mutes the speakers.