Whirlwind

Whirlwind DIRECTOR Passive Direct Box Instrument DI

4 inch

Convert and Enhance Your Audio SignalThe Whirlwind Director Passive Direct Box is a premium solution for converting unbalanced signals to balanced mic levels. With its robust features and high-quality components, this direct box ensures clear and reliable audio performance. Input/Output: 1/...

$109.00*
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*Price sourced from Amazon.com. Last updated:Aug 27, 2026.Price and availability are subject to change — details.

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Overview

Convert and Enhance Your Audio Signal

The Whirlwind Director Passive Direct Box is a premium solution for converting unbalanced signals to balanced mic levels. With its robust features and high-quality components, this direct box ensures clear and reliable audio performance.

  • Input/Output: 1/4" parallel wired in/out jacks.
  • Ground Lift: Eliminates hum and buzz.
  • Pad Switch: 30dB pad for line/instrument or speaker level input.
  • High Cut Filter: Eliminates amplifier noise.
  • Transformer: Whirlwind's TRHL-M with mu metal shield.
  • Input Impedance: 20k Ohms.
  • Output Impedance: 150 Ohms.
  • Frequency Response: 20Hz-20kHz ±1dB.
  • Level Change: -20dB (pad out), -50dB (pad in).

Specifications

  • Item Weight: 12.8 ounces
  • Item model number: DIRECTOR
  • Color Name: Black

Key Features

1/4 inch parallel wired in/out jacks

Ground lift switch to help eliminate hum and fuzz

30dB pad switch for selecting between line/instrument or speaker levle input signals

Switchable high cut filter to eliminate amplifier noise

Uses Whirlwind's TRHL-M transformer with metal shield

Specifications

Product Type
Passive Direct Box
Model Name
DIRECTOR Instrument DI
Input/Output Jacks
1/4 inch parallel wired
Noise Reduction
Ground lift switch
Input Attenuation
30dB pad switch
Filter
Switchable high cut filter
Transformer
Whirlwind's TRHL-M transformer with metal shield

Frequently Asked Questions

The Whirlwind DIRECTOR Passive Direct Box features 1/4 inch parallel wired in/out jacks for versatile signal connection.
It includes a ground lift switch designed to help eliminate hum and fuzz often caused by ground loops, and a switchable high cut filter to reduce amplifier noise.
Yes, it is equipped with a 30dB pad switch, which allows you to select between line, instrument, or speaker level input signals for proper signal attenuation.
The direct box utilizes Whirlwind's TRHL-M transformer, which includes a metal shield for improved signal integrity and noise rejection.
The Whirlwind DIRECTOR is a passive direct box, meaning it does not require external power for operation, relying on the input signal to drive the transformer.