Next-generation active DI with sound quality The GRACE design m303 is an active DI (direct box) developed to achieve next-generation audio performance. Innovative power supply design delivers unparalleled headroom and dynamic range. Additionally, custom-wound Lundahl transformers contribute to superior low-end clarity and high-end detail. The beautiful, elegant blue housing features a 1/4-inch thick aluminum extrusion chassis, making it durable enough to withstand long-term use. This sound is real. Product specifications: Active DI powered by phantom power ● Complete galvanic isolation ● Equipped with a custom-made transformer from Lundahl, high nickel core and magnetic shielding ● Achieves ultra-low distortion characteristics of -100dB @ 1kHz, -80dB @ 50Hz or less ● Ultra-low noise (-118dBu, A weighting) ● Ultra-wide frequency response (20-80kHz) and dynamic range (124dB) ● Excellent low frequency headroom: THD+N @50Hz