Headphone Amplifier: An integrated headphone amplifier is built into the speakers, enabling you to listen privately without disturbing others High-Quality Amplification: The PreSonus Eris E5 BT Speakers are powered by a 100-Watt Class D amplifier, delivering high-quality sound with clarity and precision Tuning Controls: The speakers feature onboard low- and high-frequency tuning controls, allowing you to adjust the sound to match your listening environment and preferences Versatile Connectivity: The Speakers offer versatile connectivity, such as balanced 1/4-inch TRS inputs, stereo RCA inputs, and a front-panel 1/8-inch stereo Aux line input Bluetooth Wireless Technology: The Eris E5 BT Speakers offer the convenience of wireless connectivity through Bluetooth 5.0, allowing you to easily connect your mobile devices