Mackie MDB-USB｜USB Stereo DI Box
The Mackie MDB-USB is a USB DI box designed for modern musicians and audio engineers, seamlessly converting laptop audio into a clean, noise-free balanced output signal. Whether for stage performances, recording studios, or conference presentations, it delivers high-resolution audio quality. Its built-in high-quality recording interface function supports sampling rates up to 24-bit / 96kHz, ensuring your audio details are fully reproduced. Plug-and-play with no drivers required, it's your most reliable bridge between computers and professional audio systems.
Key Product Features
- Plug-and-Play USB-C Connectivity: Directly connect your Mac or PC to a professional audio system without installing any drivers.
- High-Resolution Audio Interface: Built-in high-quality analog circuitry supports 24-bit / 96kHz audio processing, delivering excellent dynamic range and low-noise performance.
- Professional Balanced Outputs: Equipped with dual XLR balanced outputs for direct connection to mixers or PA systems, effectively eliminating noise interference during long-distance transmission.
- Ground Lift Switch: One-button solution for hum and electrical noise caused by ground loops.
- Independent Volume and Monitoring Control: Front panel features an output level knob and a headphone output jack for easy real-time volume adjustment and monitoring.
- Mono Sum Function: Combines stereo signals into mono, outputting simultaneously from both XLR jacks for more flexible applications.
- USB Powered Design: Fully powered by the USB port, eliminating the need for an external power adapter and enhancing portability.
- Built-Like-A-Tank™ Construction: Features Mackie's classic all-steel chassis, rugged and durable enough to withstand demanding touring environments.
Technical Specifications
| Audio Format | 24-bit / 96kHz |
| Input Interface | USB-C |
| Output Interface | 2 x XLR Balanced Outputs, 1 x 1/8" (3.5mm) Stereo Headphone Output |
| Control Functions | Output Level Control, Mono Sum Button, Ground Lift Switch |
| Power Source | USB Bus Powered |
| Chassis Construction | Built-Like-A-Tank™ All-Steel Chassis |
THINK2 Three Major Guarantees
- Fast Shipping: In-stock items shipped within 24 working hours.
- Professional Technical Support: Professional audio engineers provide consultation on installation, licensing, compatibility, and basic setup.
- Full Warranty and After-Sales Service: Original manufacturer's warranty plus THINK2 customer support.
※ Shipping time is calculated based on working days; it will be postponed on holidays or due to force majeure. Actual warranty terms are subject to the manufacturer's official announcement, THINK2 provides integration and agency assistance.
THINK2 Warranty and Return/Exchange Policy
- With valid proof of purchase and product serial number, enjoy the original manufacturer's warranty and THINK2 after-sales service.
- DOA / Non-Human Defect: Within 7 days from the date of purchase, after inspection and confirmation, returns or new product replacements can be processed.
- Exclusions: Human damage, unauthorized disassembly or modification, consumable parts, natural disasters/force majeure, use beyond specifications or not in accordance with instructions, etc.
- Application Process: Contact customer service during business hours and package the item properly for return as instructed.
- Service Scope: Primarily Taiwan region; for offshore islands/overseas, handled according to actual logistics.
