This hour's deals
Tech · Walmart
Amp up your car's sound with built-in DSP
Infinity DSP4425 4-Channel Class A/B Amplifier with DSP
Deal score 6.8 · Great deal
We're checking this price again; the store's own page has it now.
This deal was in an earlier drop. The store may have changed its price since.
Why it's a great deal
- Infinity says its DSP amplifier is a self-contained audio system with detailed tuning for any enthusiast Infinity
Every store we checked
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- WalmartNew
In stockSold by Creative Audio
$139.00Observed Oct 30, 2026, 7:58 PM - Creative AudioNew
In stock
$139.00Observed at 9:35 PM - eBayNew
Availability unknown
$179.00Observed at 9:35 PM - Stereo WarehouseNew
Availability unknown
$255.95Observed at 9:35 PM
From Walmart
- Small footprint, all-in-one Class A/B amplifier with DSP control
- Everything you need to get started
- Simple tuning interface with complex features
- Harman standard reliability testing
- Returns
- Free holiday returns until Jan 31
- Shipping
- Free shipping; arrives Nov 6
Specs
- Number Of Channels
- 4-channel
- Class
- Class AB
- With Bass Control
- Yes
- With Crossover
- Yes
- Color
- Gray
- RMS Power Rating
- 200 watts RMS
- Total Wattage
- 200 watts