Check the listing for details. Radial J33 2-Channel Active Turntable Preamp Direct Box. Condition: New. Listed at 249.99 USD. This Radial J33 2-Channel Active Turntable Preamp Direct Box is a high-quality audio device that offers exceptional performance. With a powerful output wattage of 30 watts, this preamp is perfect for turntables and other compatible devices. It features a range of useful aspects, including a model number of R800 1300, item length of 10.85 inches, product dimensions of 10.85 x 4.85 x 2.5 inches, and item height of 2.5 inches. This preamp is designed in a sleek black color and is powered by corded electric. It comes with a range of connectors, including XLR and RCA, making it easy to connect to other audio devices. The Radial J33 2-Channel Active Turntable Preamp Direct Box is a reliable and efficient audio device that offers great value for money.