Radial J48 Direct Box

No, the J48 is powered entirely by 48V phantom power from your mixer or interface. This eliminates the need for batteries and ensures consistent performance during long sessions.

Yes, the J48 is designed for stereo operation. It features two channels, allowing you to connect a stereo keyboard or two separate instruments simultaneously.

The 15dB pad is designed to prevent distortion when connecting instruments with high-output active electronics, such as active bass guitars or high-output synthesizers. Engaging it lowers the input signal level to ensure a clean, undistorted sound.

The high-pass filter cuts out low-frequency rumble and mud from your signal. It is particularly useful for cleaning up acoustic instruments or removing unwanted stage noise that can clutter your mix.

Yes, the ground lift switch disconnects the ground path between the input and output, which is the most effective way to eliminate ground loop hum and buzz caused by conflicting electrical sources.

The polarity reverse switch is essential for correcting phase issues. If you are using multiple microphones or sources and notice a thin or hollow sound, flipping this switch can often restore the fullness and impact of your signal.