The Grace Design m303 is a high performance active DI. It is galvanically isolated, delivering low noise, next-generation audio performance for all stage and studio applications. Grace Design's advanced power supply design provides incredible headroom and dynamic range.

A custom-wound Lundahl transformer outputs amazing low-end clarity and high frequency detail. All of this performance is packaged in beautiful and rugged ¼” extruded aluminum chassis. Don’t let the elegant exterior fool you, this thing is built.

Key Features:

• Active DI box with full galvanic isolation, powered with standard 48V phantom power
• Crafted with top-class components, including a custom-wound Lundahl transformer that ensures optimal low-end clarity and top-end detail
• Superior sonic performance, boasting exceptionally low distortion, minimal noise, sweeping bandwidth, and a massive dynamic range
• Impeccable low-frequency headroom
• 1-Mohm input impedance perfectly accommodates any pickup or line signal source
• Handy peak indicator LED activates -3dB before clipping; power indicator LED
• Top-class ESD and RFI protection
• 13dB Pad switch to handle hot signals; Iso/Gnd switch
• Premium gold contact toggle switches
• Road-ready design, comprising a 1/4-in. extruded aluminum chassis and recessed connectors