Short answer: the Axiom Audio EP400 v3 ranks #39 of 42 subwoofers by sound quality at $599; the REL Acoustics Tzero MKIII ranks #42 at $599. Close enough in price that the sound-quality gap is the deciding factor.
What the Axiom Audio EP400 v3 offers: Its documented strengths make it a credible option in this class. Watch for: Its documented strengths make it a credible option in this class.
What the REL Acoustics Tzero MKIII offers: Its documented strengths make it a credible option in this class. Watch for: Its documented strengths make it a credible option in this class.
Buy the Axiom Audio EP400 v3. It ranks higher for sound quality than the REL Acoustics Tzero MKIII at the same price, so there is no real case for the other one.
If sound quality matters at all to you, skip both of these and look higher up the 42 subwoofers instead.
Specifications Side By Side
| Axiom Audio EP400 v3 | REL Acoustics Tzero MKIII | |
|---|---|---|
| Price | $599 Discontinued | $599.00 |
| Ranked | #39 of 42 in Small Powered Home Subwoofers (Under 30 lbs) | #42 of 42 in Small Powered Home Subwoofers (Under 30 lbs) |
| Enclosure | sealed | sealed |
| Output SPL at 20 Hz | 90.0 dB | - |
| Output SPL at 25 Hz | 94.0 dB | 70.4 dB |
| Output SPL at 31.5 Hz | 97.0 dB | 76.6 dB |
| Output SPL at 40 Hz | 99.0 dB | 83.7 dB |
| Output SPL at 50 Hz | 99.0 dB | 89.7 dB |
| Output SPL at 63 Hz | 98.0 dB | 91.5 dB |
| Output SPL at 80 Hz | 98.0 dB | 92.1 dB |
| Output SPL at 100 Hz | 98.0 dB | 90.8 dB |
| CEA-2010-A Average (40-80Hz) | 98.5 dB | 89.2 dB |
| Dimensions | 13.7"H x 10.5"W x 16.8"D (349.2 x 266.7 x 426.7 mm) | 9.5"H x 8.5"W x 10.5"D (241.3 x 215.9 x 266.7 mm) |
| Warranty | 5 | 3 |
| Country | Canada | United Kingdom |
| Measurement Source | Audioholics | ErinsAudioCorner |
| Discontinued | Yes | - |
| Weight | 17.9 lbs / 8.1 kg | 15 lbs / 6.8 kg |
| Drivers | 8" (203mm) driver | 6.5" (165mm) driver |
| Cabinet Color | - | black, white |
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The Two Speakers In Full
Axiom Audio EP400 v3: $599 Discontinued
Cons: Discontinued.
Full Axiom Audio EP400 v3 review and specifications →
| CEA-2010-A Average (40-80Hz) | 98.5 dB |
|---|---|
| Country | Canada |
| Dimensions | 13.7"H x 10.5"W x 16.8"D (349.2 x 266.7 x 426.7 mm) |
| Discontinued | Yes |
| Drivers | 8" (203mm) driver |
| 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 |
As an eBay Partner, we may be compensated if you make a purchase.
- Reviews, Comparisons and Sound Samples
REL Acoustics Tzero MKIII: $599.00 Amazon
Full REL Acoustics Tzero MKIII review and specifications →
| CEA-2010-A Average (40-80Hz) | 89.2 dB |
|---|---|
| Cabinet Color | black, white |
| Country | United Kingdom |
| Dimensions | 9.5"H x 8.5"W x 10.5"D (241.3 x 215.9 x 266.7 mm) |
| Drivers | 6.5" (165mm) driver |
| Enclosure | sealed |
| Measurement Source | ErinsAudioCorner |
| Output SPL at 25 Hz | 70.4 dB |
| Output SPL at 31.5 Hz | 76.6 dB |
| Output SPL at 40 Hz | 83.7 dB |
| Output SPL at 50 Hz | 89.7 dB |
| Output SPL at 63 Hz | 91.5 dB |
| Output SPL at 80 Hz | 92.1 dB |
| Output SPL at 100 Hz | 90.8 dB |
| Warranty | 3 |
| Weight | 15 lbs / 6.8 kg |
As an eBay Partner, we may be compensated if you make a purchase.
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