Hamilton LCPCD3856SV Val-U-Pak CD Listening Center Station. 6 Built-in headphone jacks. Programmable CD Player w/repeat play. Built-in cassette recorder, records from CD or built-in microphone. Dual Power: AC or 8 “D” size batteries. Output Power: 4W RMS. Dimensions (WxHxD) 14 x 10 x 8. Runs on AC or DC (8 D-Type Batteries, not included). The Hamilton 6 Person Val-U-Pack CD Listening Center provide everything you require in a listening center. The Hamilton MPC-5050 Portable Boom Box offers amazing functionality and a sturdy design that will be hard to match. It is designed and built to withstand being used in a classroom environment while providing high quality sound. The Hamilton SC7V Headphone with individual volume control features four-in-one operation on 1/8 inch stereo, 1/8 inch mono, 1/4 in stereo and 1/4 inch mono modes. New soft leatherette style washable, replaceable ear cushions, new easier-to-wear lighter design with swivel ear-cups and soft coil, 3 meter long coiled cord all contribute to longer fatigue-free use. What’s in the Box. Hamilton MPC-5050 Boom Box. 4 Hamilton SC-7V Deluxe Headphones. 8 Position Stereo Jackbox with Individual Volume Controls. Lockable carrying case (lock not included). Hamilton LCPCD3856SV Val-U-Pak CD Listening Center 6 Station. 4 Built-in headphone jacks. Hamilton LCPCD3856SV Val-U-Pak CD Listening Center 4 Station. Lockable carrying case lock not included.