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Compact metal DI box with input and output jacks

Hosa Technology

Hosa Technology DIB 443 Passive DI Box accessory

SKU CH-TRMJ-C7PN7 MPN DIB 443

A passive direct box that converts instrument-level signals to line level for clean connection to a mixing console

  • Product typeDI Box
  • HighlightsThe Sidekick Passive DI Box by Hosa Technology makes it easy
  • Connects instruments directly to a mixing console via built-in isolation transformer
  • Transforms instrument-level signal to line-level for clean, noise-free tone
  • INST/LINE switch enables amplifier to drive the line for natural overdriven tone
  • Compatible with electric guitars, basses, keyboards and pedal effects
  • Works with any electronic musical instrument featuring a mono phone output

Direct connection for instruments

The Hosa DIB 443 is a passive direct box designed to connect electric guitars, basses, keyboards, pedal effects, and any electronic instrument with a mono phone output directly to a mixing console. It provides a pure, clean, noise-free tone suitable for digital signal processing and live sound applications. The unit requires no external power to operate.

Built-in isolation transformer

The single specification that decides suitability is the built-in isolation transformer, which converts an instrument-level signal to a line-level signal. This impedance matching eliminates ground-loop hum and preserves signal integrity over long cable runs to the console. No active circuitry or phantom power is required for this function.

INST/LINE switch for tone options

A built-in INST/LINE switch changes the operating mode: in INST position the transformer delivers a clean direct signal, while in LINE position it allows an amplifier to drive the line for a natural overdriven tone. This single control lets the user choose between pristine direct capture and amplified character without additional pedals or re-amping hardware.

How it compares

Measured against everything we stock in Studio & Stage Accessories, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 63% of the 351 comparable items (median $23.99).

Specifications

Product
Model nameDIB 443
Product typeDI Box
Size & build
Shipping weight0.91 kg
Package size25 × 25 × 25 mm

Questions about this item

How does the built-in isolation transformer change my instrument signal for the mixer?

The transformer converts the high-impedance, unbalanced instrument-level signal from your guitar, bass, or keyboard into a low-impedance, balanced line-level signal that travels cleanly to a mixing console.

What does the INST/LINE switch actually select on this DI box?

In the INST position the unit accepts a standard instrument signal; switching to LINE lets an amplifier output drive the line directly for an overdriven tone.

What type of input jack does the DIB 443 require from my instrument or pedal?

It requires a mono 1/4-inch phone plug output, which is standard on electric guitars, basses, keyboards, and most effects pedals or processors.

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