Amazon.com: PreSonus Eris E3.5-3.5" Near Field Studio Monitors (Pair) – Powered Desktop Speakers for Music Production, Studio-Quality Recording, and Active Media Reference : Musical Instruments
Amazon.com: PreSonus Eris E3.5 2-Way 3.5 in. Near Field Studio Monitor (Pair) with Knox Isolation Pads and Stereo Breakout Cable Bundle : Musical Instruments
PreSonus Eris E5 2-Way 5.25" Near Field Studio Monitor : PreSonus: Musical Instruments - Amazon.com
Amazon.com: PreSonus Eris E5 BT-5.25" Near Field Studio Monitors with Bluetooth, 100W Power, Subwoofer Output, Plus Balanced and Unbalanced Inputs : Everything Else
PreSonus Eris E5 XT 5.25" Near Field Studio Monitor with EBM Waveguide (Single) : Presonus: Musical Instruments - Amazon.com