10 Best Power Conditioners 2025 in the United States

The Furman P-1800 AR is a well-regarded power conditioner ideal for those who need reliable performance for audio and video equipment, such as musicians, home recording enthusiasts, and DJ setups. One of its standout features is the True RMS Voltage Regulation, which ensures that your devices receive a stable 120 volts, effectively protecting them from the common issues of voltage irregularities. This can be a significant advantage, especially in areas with inconsistent power supply.

Another strong point is the SMP (Surge Module Protection) technology, which offers top-notch surge and spike protection, making it a solid choice if your equipment is vulnerable to power surges. The EVS (Extreme Voltage Shutdown) feature is also noteworthy, as it automatically powers down both the unit and connected devices during unsafe voltage conditions, enhancing safety. Additionally, the LiFT technology ensures clean power, which is crucial for maintaining audio and video clarity.

In terms of convenience, the P-1800 AR includes front panel USB outlets, allowing users to charge devices directly, which adds to its practicality. However, there are a few downsides to consider. The product does not have a color screen for real-time monitoring, which might be a disadvantage for users who prefer more detailed feedback about the power conditions. Its physical size (22.5 x 16.5 x 4.25 inches) and weight (15 pounds) could also be cumbersome for those with limited space or who need a more portable option.

The Furman Power Conditioner (PST-8) is a strong contender in the power conditioner category, especially for those involved in music production, home recording, or home entertainment. Its advanced linear filtering significantly reduces AC line noise, enhancing audio and video clarity, which is crucial for audiophiles and professionals who need pristine sound quality. Additionally, its Series Multi-Stage Protection Plus (SMP+) offers top-notch surge protection, safeguarding your valuable devices against power surges and voltage spikes. The automatic extreme voltage shutdown feature adds an extra layer of safety, ensuring that your equipment won't be damaged by faulty wiring.

With 8 total power outlets, it provides ample connectivity for various devices, from audio systems to projectors, making it versatile for different setups. The inclusion of cable satellite and Telco connectors further expands its protective capabilities. The zero ground contamination circuitry is particularly beneficial for critical audio/video components, ensuring that the power delivered is as clean as possible.

While the PST-8 performs exceptionally well, it is more geared towards professional use, which might be overkill for casual users or those with simpler setups. The product may also feel a bit bulky for some due to its dimensions, especially if space is a concern. For serious enthusiasts or professionals, however, the Furman PST-8 stands out as a reliable choice.

The Furman PL-PLUS C is a solid choice if you need a power conditioner that protects your equipment from voltage spikes and surges. It uses Furman’s special SMP technology to offer strong surge and spike protection, helping keep your devices safe and running smoothly. One of its standout features is the isolated outlet banks, which help reduce electrical noise and interference between connected gear — great if you’re using multiple audio or video components together. The unit has nine outlets, giving you plenty of options to plug in several devices at once. It’s designed to be rack-mounted, which fits well if you have a professional setup or want a tidy, organized look.

The built-in LED voltmeter clearly shows the incoming voltage, so you can monitor power conditions easily. Noise filtering with Linear Filtering Technology (LiFT) helps minimize hum and buzz that could affect sound quality. On the downside, the noise level of 56 dB might be noticeable in very quiet rooms, and it uses about 12 watts of power itself. Also, the voltage rating shown is 139 volts, which is typical for US line voltage but something to keep in mind if your mains voltage differs.

This model suits musicians, audio engineers, or anyone with sensitive electronic equipment who needs reliable surge protection combined with noise reduction and clear voltage monitoring. While it’s not the quietest or most energy-efficient, it provides strong, professional features in a compact rack-mount form.