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BAE PDI 1-Channel Passive Instrument DI Box

Reliable DI with full, rich tones featuring and OEP/Carnhill transformer, and premium quality components with a rugged construction


Product Description

The BAE PDI is a hand-wired passive direct box equipped with a class-leading OEP/Carnhill transformer for rich, warm analog tone in the studio and on the road. With a solid steel chassis and rugged Neutrik XLR and 1/4-inch connectors, the BAE PDI is road-ready and tour-tough. And with versatile features like a built-in ground lift switch and two thru outputs, the BAE PDI is the ultimate studio DI box.


Hand-made in the USA, the BAE PDI features a high-quality OEP/Carnhill audio transformer to give instruments added depth and harmonic richness. With gold-plated circuits and through-hole component technology, the BAE PDI provides rock-solid reliability with minimal interference and extremely low distortion and self-noise.

With a high-impedance unbalanced input, the BAE PDI is perfect for instruments like bass and electric guitar. And with a frequency response of 10 Hz to 40 kHz, you the BAE PDI captures powerful lows and brilliant highs.


On its front, the BAE PDI features a high-impedance Neutrik 1/4” input for connecting instruments, as well as a lo-Z Neutrik XLR output for routing signals to preamps or external signal processors. A ground lift button helps prevent buzz when working in venues or studios unreliable power. On the rear, the BAE DPI features two thru outputs for connecting one or more speaker cabinets.

With a rugged steel chassis and durable construction, the BAE DPI can easily withstand the wear and tear of touring or daily studio use. And with recessed switches and connectors, the BAE DPI is the perfect traveling companion for capturing studio-quality sound on the road.


All BAE products are hand-made in California using premium-grade analog components. Inspired by classic vintage designs, BAE products combine authentic sound quality with modern features to create versatile, flexible and affordable signal processors for modern audio engineers.


  • Solid steel chassis
  • Carnhill Transformer
  • The same hand-wired construction that BAE is known for

Product Specifications

Condition New
Width 4 in
Height 1.5 in
Depth 4 in
Unit Weight 2 lb
Channels Single-Channel
Chassis Desktop
Active or Passive Passive
Input Connectors 1/4-inch TS
Output Connectors Analog XLR

Product Reviews

4 out of 5 stars.
Review Count (1)

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Solid construction. Big iron. When swapped out for the hi-z input in numerous preamps that I own there was a noticeable jump in fidelity. In comparison, there was less "quack" and mid-range harshness when playing a Korean 335 with humbuckers. Pleasing low end was a additional side effect. 4-stars for no pad, and the ground lift switch feels unsubstantial. Approaching this price point I expect premium..

By Zachariah J on February 19, 2019

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
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In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
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This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
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The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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