Dimensions (W x D x H) 70 x 20 x 98mm Weight 71g (2.5 oz) without batteries Jacks and Terminals MUTE IN, AUX IN, PHONES Control VOL. (volume), Reverb type, Power ON/OFF Brass Resonance Modeling™ Yes (It behaves correctly only when compatible Pickup Mute™ is connected to Personal Studio™.) Power Supply AA alkaline or nickel-metal hydride batteries x 2 (3V DC)