Whirlwind

Whirlwind SEL Instrument A/B Selector Switch

4.4 (15 reviews)

Take Control of Your Tone with the Whirlwind Selector The Whirlwind Selector is an active A/B switcher that provides ultimate control over your instrument routing. Effortlessly switch between two channels or combine them for unique sound combinations. Ideal for guitarists and musicians looking to...

$150.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Take Control of Your Tone with the Whirlwind Selector

The Whirlwind Selector is an active A/B switcher that provides ultimate control over your instrument routing. Effortlessly switch between two channels or combine them for unique sound combinations. Ideal for guitarists and musicians looking to expand their tonal possibilities and streamline their setup. Features patented optical switching for noise-free operation.

Specifications:

  • Type: Active A/B Switcher Box
  • Channels: A and B, or Both
  • Connectors: 1/4" Tip/Sleeve Jacks (A, B, I/O)
  • Impedance In/Out: 1 Meg Ohm
  • Operating Level: -40dBu to 0dBu
  • Frequency Response: 20Hz-20kHz
  • Power: 9V Battery or Optional External 9V Power Supply (T401-ND)
  • Indicators: LED Channel Status
  • Switching: Patented Optical Switching (Noise-Free)
  • Color: Black
  • Dimensions: 7.3 x 6.7 x 2 inches
  • Weight: 13.6 ounces

Key Features

Active A/B Switcher Box with LED Channel Status Indicators

Specifications

Product Type
A/B Selector Switch
Function
Instrument Selector
Switching Type
Active
Indicators
LED Channel Status Indicators

Pros & Cons

👍 Pros

  • Features an active A/B switching mechanism, providing reliable signal routing.
  • Equipped with LED channel status indicators, offering clear visual feedback on the selected channel.
  • Designed specifically as an instrument A/B selector switch, optimizing it for musical applications.
  • Allows for seamless switching between two instruments or two amplifier inputs without signal loss.
  • The active circuit ensures consistent signal strength and clarity through both channels.

👎 Cons

  • Being an active switcher, it requires power to operate, which may mean batteries or an external power supply.
  • Only provides two channel options (A/B), which may be limiting for setups requiring more complex routing.
  • The specific function as an instrument selector means it is not a general-purpose audio switcher for line-level signals.
  • Its utility is primarily for musicians needing to switch between instruments or inputs, not for broader audio engineering tasks.
  • The "active" nature means there's potential for electronic component failure or noise if not properly powered.

Frequently Asked Questions

The Whirlwind SEL is an active A/B selector switch designed to allow musicians to seamlessly switch between two instruments or two different inputs.
The unit features LED channel status indicators that provide clear visual confirmation of which channel (A or B) is currently selected.
The Whirlwind SEL is an active A/B switcher box, meaning it requires power to operate its switching mechanism and indicators.
This product is specified as an "Instrument A/B Selector Switch," indicating it is optimized for instrument-level signals rather than microphone signals.
An active A/B switch helps maintain signal integrity and provides clearer switching performance compared to passive alternatives, especially with longer cable runs.