Mackie MDB-2P｜Professional Stereo Passive DI Box
The Mackie MDB-2P is a stereo DI box designed for stage and studio, providing clean, noise-free audio conversion. Its passive design requires no external power, offering plug-and-play convenience, ideal for keyboards, synthesizers, or any stereo source. It effectively converts high-impedance signals into balanced low-impedance signals, ensuring studio-quality audio over long cable runs, and effectively isolates noise interference. With Mackie's renowned "Built-Like-A-Tank™" robust construction, the MDB-2P is your most reliable audio tool, whether in demanding live performance environments or professional recording studios.
Key Product Features
- Superior Noise Performance: Equipped with high-quality analog circuitry, providing ultra-low noise and distortion for pristine audio transmission.
- Stereo Signal Processing: Features dual-channel inputs and outputs, perfectly suited for keyboards, synthesizers, and other stereo instruments.
- High-Impedance Input with Thru Output: Dual 1/4" high-impedance inputs for connecting instruments, with Thru outputs to send signals to stage amplifiers while simultaneously sending balanced signals to the mixer.
- -15dB Pad Switch: Handles signals from high-output sources, effectively preventing distortion caused by overloading.
- Ground Lift Switch: Instantly eliminates hum or buzz caused by ground loops, ensuring clean audio quality.
- Completely Passive Design: Requires no batteries or phantom power, offering ultimate reliability and convenience.
- Robust and Durable Construction: Features Mackie's iconic "Built-Like-A-Tank™" design, with a thick steel chassis built to withstand the most demanding touring environments.
Technical Specifications
| Type | Passive DI Box |
| Channels | 2 (Stereo) |
| Inputs | 2 x 1/4" TS (Unbalanced) |
| Outputs | 2 x XLR (Balanced), 2 x 1/4" TS (Thru) |
| Attenuation Pad | -15 dB |
| Ground Lift | Yes |
| Power Requirements | None (Passive) |
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.
- Comprehensive Warranty & After-Sales Service: Original manufacturer's warranty plus THINK2 customer support.
※ Shipping times are calculated based on working days; delays may occur 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 Policy
- Enjoy original manufacturer's warranty and THINK2 after-sales service with valid proof of purchase and product serial number.
- DOA / Non-Human Defect: Returns or new product replacements can be processed if confirmed by inspection within 7 days of purchase.
- Exclusions: Human-induced damage, unauthorized disassembly or modification, consumable parts, natural disasters/force majeure, use beyond specifications or not according to instructions, etc.
- Application Process: Contact customer service during business hours and return the product properly packaged as instructed.
- Service Area: Primarily Taiwan; outlying islands/overseas handled according to actual logistics.
