OSD Audio SMP300 Class D Subwoofer Amplifier, 500W Max Power, Digital Mono Amp for Passive Subwoofers, Adjustable Crossover, Phase and Volume, LFE Line-in

Name: OSD Audio SMP300 Class D Subwoofer Amplifier, 500W Max Power, Digital Mono Amp for Passive Subwoofers, Adjustable Crossover, Phase and Volume, LFE Line-in
Brand: OSD Audio
SKU: awhd-us-b07r4464d3
Price: 407.18 USD
Availability: InStock

Brand: OSD Audio

Condition: Used - Like New

$407¹⁸

$490⁴⁹

-17% Save $83³¹

Updated: Yesterday

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Description

• BRING ON THE BASS: A highly efficiency Class D subwoofer amplifier that serves up big bass with up to 500W max power

• WORKS WITH ALL RECEIVERS: Compatible with older and newer source equipment and includes LFE, line-level and speaker-level inputs for greater flexibility

• ADJUSTABLE CONTROLS: Includes adjustable phase and low pass filter to dial in just the right amount of low frequency sound effects

• EFFICIENT CLASS D TECHNOLOGY: A highly efficient Class D sub amp that is ideal for budget-minded users who want a feature-rich digital sub amp that does not run hot or take up a lot of space

• COMPACT DESIGN: Measures only 3” inches high, 9 ¼” deep and 16 ¼” wide to fit just about anywhere

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Product Details

SKU:: awhd-us-b07r4464d3
Model:: SMP-300
Country:: US
ASIN:: B07R4464D3
UPC:: 810281010946

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $83 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for OSD Audio products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.