Stellar PowerPlant 3

$1889.37 ~~$2999~~ In stock

The Stellar P3 PowerPlant provides greatly improved performance and safety from just plugging into the wall socket, along with far better dynamics, more authoritative bass, and a much bigger, more open soundstage than any passive power conditioner on the market. Featuring overbuilt surge and spike protection, you can rest easy knowing your system is safe.

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy

If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy

Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy

Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.8 / 5 · 5 reviews)

Julian ★★★★★ Oct 11, 2026

I'd heard about power conditioners cleaning up the sound, but the improvement in bass authority on my system was immediate and noticeable. Hooked it up between the wall and my amp, and the background noise just disappeared.

Robert B. ★★★★★ Sep 14, 2026

Plugged my amp straight into this instead of the wall and the difference was immediate, especially in the high end. Dynamics hit harder and the low end has way more authority now. Didn't expect a power unit to change the sound this much.

Madison D. ★★★★★ Sep 13, 2026

Bass finally has that weight I was missing before, and the soundstage opened up noticeably on the same speakers. It's also nice knowing everything's getting cleaner, safer power than straight from the wall.