Whirlwind

Whirlwind Qbox-AES AES/EBU Tester 96/192kHz

Whirlwind Qbox-AES: the field-ready AES/EBU signal tester that catches digital audio faults before they reach your mix.

$868.68*
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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.

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Overview

The Whirlwind Qbox-AES occupies a precise and valuable niche in the professional audio toolkit: the moment when a digital connection should be working but isn't, and you need to know why right now. Built to verify AES/EBU signal integrity at 48, 96, and 192 kHz, it covers the full range of sample rates found in contemporary studio, broadcast, and live production environments. Whether you're tracing a 192 kHz path through a mastering facility's converter chain or confirming that a 96 kHz stage box output is locking correctly to a digital console at front of house, the Qbox-AES gives you a definitive signal-present confirmation without interpreting ambiguous meter readings through layers of software.

Battery power is not a convenience feature here — it is a design choice that reflects how and where digital signal problems actually get solved. Rack rooms mid-show, patch bays at load-in, and converter outputs at the tail of a long cable run are not always near powered TRS or XLR test ports. The Qbox-AES goes where the problem is. At 2.1 lbs and built to Whirlwind's field-tested construction standards, it withstands the handling that diagnostic tools inevitably receive. It is not a metering device or an analyzer; it is a tester — purpose-built to answer the binary question that costs the most time when it goes unanswered: is there a valid AES/EBU signal here or not?

Key Features

Tester AES/EBU

96 & 192KHZ

48

Specifications

Function
AES/EBU Signal Tester
Supported Sample Rates
48 kHz, 96 kHz, 192 kHz
Power Source
Battery
Dimensions
10.7" x 5.3" x 3.3"
Weight
2.1 lbs
Brand
Whirlwind
Model
Qbox-AES

Frequently Asked Questions

The Qbox-AES reads AES/EBU signals at 48, 96, and 192 kHz — the three rates you'll encounter across broadcast, high-resolution studio sessions, and live digital snake systems. If your console or interface is locked to 96k and a cable run or format converter is silently dropping or corrupting the stream, this tester will catch it before it becomes an audible dropout or a dead-air moment on air.
No — it is battery powered, which is the critical advantage for location work and live touring. You can pull it out mid-show or mid-session without hunting for a power source, making it a natural fit for a snake tech's kit bag or a broadcast engineer's go-bag.
Yes. The unit is designed to verify signal presence and integrity on AES/EBU connections — letting you quickly confirm that both channels of a digital pair are carrying valid audio and that the signal path is intact end-to-end. This is the test you run when a digital input is showing signal on the meter but something still sounds wrong.
The Qbox-AES is specifically designed for standard AES/EBU (IEC 60958-4) connections using XLR cabling. Proprietary digital snake formats like dSNAKE or MADI over coax/fiber require their own diagnostic tools. Use the Qbox-AES at the AES/EBU input and output ports of converters, interfaces, and stage boxes where standard AES handshakes occur.
During line check, patch it inline between your stage box AES output and the console input to confirm the digital handshake is clean at the target sample rate. A failed lock or missing signal here tells you immediately whether the fault is in the cable, the converter, or the console input card — before the room fills with audience.