An exclusive set of four 1/8" headphone jacks located on the back of the box make the MPC-5050PLUS an excellent choice for classroom listening center use; it is designed and built to withstand the rigors of classroom use while providing high quality sound.Product Features: - Programmable CD Player w/repeat play - Plays CD Audio and MP3 files on CD - USB Port for MP3 Files on USB Memory- Built-in cassette recorder, records from CD or MP3- Receives AM/FM stereo broadcasts - Dual Power: AC or 6 " D" size batteries - Four 1/8" headphone outputs - Stylish silver/blue housing - Output Power: 4W RMS