Check the listing for details. Black Lion Audio PG-2R Voltage Regulator. Condition: New. Listed at 1079.10 USD. Premium Voltage Regulation and Power Conditioning Tired of voltage fluctuations? Worried that surges or spikes will damage your expensive gear? Dealing with dirty power? The Black Lion Audio PG-2R is your one-stop solution for all of these issues. The PG-2R is a 14-outlet voltage regulator, power conditioner, and surge protector. It boasts 120V, regulated outlets with a tight +/- 2V tolerance, and it provides rock-solid protection with a power-absorption rating of 2775 joules. Beyond that, you get PG-99 Filtering Technology, which yields up to 99.7% noise reduction. The PG-2R includes optimized outlets for digital, analog, and high-current devices, with some outlets time-delayed to safeguard your amplifiers and speakers against unwanted "pop" sounds.