PreSonus Eris 3.5BT (2nd Gen) 3.5" Near Field Studio Monitors with Bluetooth

3.5" Low Frequency Transducer, Fabric Composite Sleek, compact case Rear Shot Round Reflex Bass Port 1 inch (25mm) high frequency transducer, ultra-low mass and silk dome 50W Class AB Amplification (25W/Side) ¼" balanced RCA and TRS back panel inputs Front panel 3/4" stereo auxiliary input for use with mobile audio devices Built-in headphone amplifier with 3/4" front panel stereo jack High and low frequency controls allow you to adjust speaker response Front panel volume control