S P E C I F I C A T I O N S:
Calrad 15-133: Headphone Box - Allows low or line-level sources to drive up to 4 pairs of stereo headphones - Four (4) separate amplifiers drive any mix of headphones from 8W to 600W and each headphone has its own stereo volume control - Rugged steel metal case with rubber end caps makes this unit durable for any environment