Natural tone. For every instrument. Whether youre on stage or in the studio the Radial JDI Passive DI Box offers pristine signal integrity in every situation. Just plug in play and experience outstanding signal handling with zero distortion. Ready for anything. The JDI is equipped with all the tools you need to get the best sound possible. Eliminate unwanted noise with the ground lift switch. Sum your stereo instruments to mono with the merge button. Or reduce input sensitivity on the fly with a 15dB pad. Its all right there at your fingertips. Perfect for any setup. Thanks to its robust compact construction the JDI can be introduced into the tightest of stage or studio spaces. Never worry about knocks and drops getting in the way of your performance. With its metal chassis youre fully protected. Pure uncoloured sound No humming. No buzzes. And no harmonic distortion. The JDI promises exceptional signal handling with a Jensen JT-DB-EPC audio transformer. Whatever your setup you’ll get smooth warm sound reminiscent of the finest vintage gear. Thanks to a nickel core and MuMETAL shield the JDI boasts a ruler flat frequency response of 10Hz – 40kHz with zero phase deviation. That means pure sound for your instruments and line level equipment. No power required. Features Premium signal integrity for live concert touring and professional studio applications Exceptional signal handling and noise rejection thanks to a Jensen Transformer Connect to a wide range of equipment and instruments via 1/4” jack input and Thru Flawless connection via balanced 150-ohm mic level output Easily sum stereo instruments to mono with the built in merge switch Remove unwanted humming and buzzes with the ground lift switch Instantly reduce input sensitivity for high output instruments with the 15dB pad Quickly correct phase on old gear with the polarity reverse switch Connect in parallel with a speaker cab thanks to the -30dB pad and speaker emulation filter Compact robust and lightweight steel construction Specifications Type: Passive Jensen Transformer equipped Input Impedance: Unbalanced 140K-Ohms Output Impedance: Balanced 150-Ohms Frequency Response: 20Hz to 20kHz Linear Performance: Total Harmonic Distortion: 0.05% @ 20Hz 0.006% @ 1kHz Phase Distortion: 3º at 20Hz 0.3º at 100Hz Maximum Input Voltage: +21dBu @ 20Hz (1% THD) Size: 3.5” (W) x 2” (H) x 5.5” (D) Weight: 1kg Construction: Welded 14-gauge steel Finish: Baked enamel coat