The Radial J48 Premium Active DI is a high-performance direct box designed for professional audio applications. It features 48V phantom power operation, making it ideal for stage and studio environments where maximum headroom and low distortion are essential. The J48 is renowned for its pristine signal transfer, retaining the natural tone of instruments while preventing noise or distortion, thanks to its innovative internal switching power supply. With a frequency response extending from 20Hz to 40kHz, it handles a wide range of signals with clarity, including high-output active basses and acoustic guitars. Its rugged, road-ready construction ensures durability, and features like a -15dB pad, ground lift, and polarity reverse offer versatility in demanding live or recording setups.