The Axiom Audio EP400 v3 ranks #39 out of 42 total Small Powered Home Subwoofers (Under 30 lbs) for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
#39 Axiom Audio EP400 v3: $599
Cons: Discontinued.
How it compares: Just above it: Paradigm Millenia CT - $100 cheaper. Just below it: Roku Subwoofer 9201X - $200 cheaper, 4.5dB less max output.
| CEA-2010-A Average (40-80Hz) | 98.5 dB |
|---|---|
| Country | Canada |
| Dimensions | 13.75"H x 10.5"W x 16.8"D (349.2 x 266.7 x 426.7 mm) |
| Discontinued | Yes |
| Driver | 10" (254mm) driver |
| Driver(s) | (1) 8 inch |
| Enclosure | sealed |
| Measurement Source | Audioholics |
| Output SPL at 20 Hz | 90.0 dB |
| Output SPL at 25 Hz | 94.0 dB |
| Output SPL at 31.5 Hz | 97.0 dB |
| Output SPL at 40 Hz | 99.0 dB |
| Output SPL at 50 Hz | 99.0 dB |
| Output SPL at 63 Hz | 98.0 dB |
| Output SPL at 80 Hz | 98.0 dB |
| Output SPL at 100 Hz | 98.0 dB |
| Warranty | 5 |
| Weight | 17.9 lbs / 8.1 kg |
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Product prices and availability were last checked July 31, 2026 at 5:30 AM UTC and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.