ADX-500 Ultra Low Noise Active DI Box SOUNDSATION is a trademark of FRENEXPORT SPA – Via Enzo Ferrari , 10 – 62017 Porto Recanati – Italy www.soundsationmusic.comThe SOUNDSATION ADX-500 ACTIVE BOX is an electronicdevice that converts an unbalanced audio signal into a balanced signal . You can connect unbalanced input devices like an electric bass, a guitar or a keyboard. The balanced line is less sensitive to electromagnetic interferences and has a better S/N ratio. In this way it is possible to achieve a good performance in case of long distances as well. For instance, it is possible to connect your instrument to a distant mixer maintaining a good quality signal. The ADX-500 is highly recommended for sound engineers and stage/studio performers . Specifications Frenquency response : 30Hz-20KHz Maximum input level: 0 ±20dB Noise level : ≤ 105 dBU Phantom Power Requirement: 20~48V DC Battery : 9V blockcell 6LR91 Dimension : 145X125X59mm Weight : 700