HDR Pro+ Series

High-performance, heavy-duty KOSS Automatic Voltage Regulator (AVR)

Superior output power factor (VA=W) KOSS AVR at most competitive price

Digital display which is more stable, precise and provide an instantaneous reading of the voltage status

The KOSS AVR equipped with handle offers portability

The KOSS AVR casing features perforations to facilitate rapid heat dissipation

The KOSS AVRs are protected by either fuse or circuit breaker from overcurrent or short circuits

The relay technology comes with a ±10% output voltage accuracy

Suitable for modest applications such as domestic and small office environments