V22a PRO Dual Output Hearing Loop Driver

V22a PRO hearing loop driver

Our V22a Pro is designed for medium-sized facilities and venues. This powerful and highly efficient driver has a constant current with dual output for phased array loops.

The driver features a Class-D amplifier output stage and an audio subsystem built around advanced digital systems including an ARM Cortex processor and dual DSPs. To ensure peak performance, the V22a PRO provides remote setup over local area networks, self-monitoring and email alerts, excellent speech and music reproduction, and guided hearing loop setup to make installation simple and seamless.

V-PRO Hearing Loop Driver Introduction


  • Dual output driver
  • Built-in guided hearing loop setup utilizing an integral test signal generator
  • Intelligent self-monitoring system supplies status emails on changes to driver functions
  • Dual-DSP controlled automatic gain control and high frequency compensation for metal loss
  • Class-D amplifier output stage capable of delivering 8ARMS @ >22.6VRMS
  • Highly-rated custom heat-sinks and active cooling
  • Integrated universal switch mode power supplies provide ultra-efficient power utilization (up to 90% efficient)
  • Constant current output stage
  • Adjustable audio time delay for audio syncing across large distances
  • Intuitive and sleek user interface on a full color, high resolution LCD
  • Adjust both drive and loop output levels using an embedded LAN service, minimizing installation time
  • Settings/profiles saved to a USB storage device
  • Continuous self-testing
  • Integrated protection circuits with temperature, voltage, short circuit and DC detection
  • Full width 1U 19” rack mount

Product Sheet

Installation Guide

3D Visualiser Walkthrough Video

Remote Monitoring and Email Alert Setup Video

Guided Loop Setup Video


Hearing Loop Hub

Visit our Hearing Loop Hub to see how hearing loops work, what different types of loops can do for your business, the latest information on legislations and standards, and frequently asked questions.

Get In Touch

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.