[Product Specifications] Terminal: RCA stereo output terminal, 1/4" headphone terminal, 1/8" headphone terminal, 1/8" external input (input through) terminal, USB terminal rotation speed: 33 1/3, 45, 78 rotations (EP adapter included) Control: Pitch control (±10%) knob, Tone control knob, External input gain knob, Volume knob, Rotation switch. Clutch Switch, Power Supply Switch Power Supply: AC Adapter (Including: 12V DC, 500mA, Center Plus), 6 AA batteries (sold separately); Size (W x D x H): Approx. 11.8 x 11.8 x 4.0 inches (302 x 302 x 102 mm); Weight: Approx. 5.5 lbs (2.15 kg).